Drivetrain Components

absoluteBLACK Oval Direct Mount 1x Chainrings for SRAM greatly improve traction and climbing abilities. They are designed for SRAM cranks that have a 3-bolt direct mount interface and removable spider. Direct mount chainrings provide significant weight savings over a standard spider and chainring combination. They are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. Ovality has been optimized for each chainring size, ranging from 10.2-14.4%, with timing of 110.5-116.3° after TDC (top dead center). - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - The unique, patent-pending narrow-wide tooth profile keeps the chain in place - Teeth have been 3D-machined for ultimate mud shedding and quieter operation - Provides excellent weight-to-strength ratio - 6mm offset is designed for 135/142 spacing on standard DUB/GXP/Long-Spindle BB30, as well as 170/177 spacing on fat bike cranks

Shimano's Deore XT Rear Derailleur uses cold-forged construction and cutting edge technology to deliver crisp shifting, real-world reliability, and trademark precision. Plus-type derailleurs use a lever-actuated clutch spring to prevent chain slap, reduce noise while on the trail, and improve chain engagement when riding over rough terrain. Sealed pulley bearings keep things spinning smoothly, and wide plate construction prevents the derailleur from getting clogged with mud and debris.

The Shimano Claris ST-R2030 is a dual control brake/shift lever for Shimano 2x8 and 3x8 drivetrain applications. It features a reach adjust mechanism and Shimano's Super SLR friction-reducing technology. - Reach Adjust mechanism allows for the distance from the handlebar grip to the lever to be adjusted to suit any hand size or riding style - Super SLR technology improves braking response and modulation by reducing friction through the caliper, lever, and cable - The Dual Control Lever has both brake and shifting functions in the system to enable simple operation - Includes OT-SP41 cable housing to maximally reduce the inner cable friction for quick response to operations and effortless shifting

RaceFace Ride crank arms are forged from 6066 aluminum with aggressive styling for a high strength to weight ratio. - Bottom bracket sold separately

Shimano Acera FC-M361 cranksets feature sturdy construction, reliable shifting, and replaceable chainrings. - Spindle Interface type: Square Taper JIS

Shimano's Ultegra 10-Speed Cassette delivers pro-level shifting and durability. The computer-enhanced tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure.

SRAM's PG-1030 10-Speed Cassette is a great choice. It's constructed of light and durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick and positive gear changes every time. This trick cassette is available in four configurations perfect for riding off road, including one with a 36-tooth largest cog for super-easy climbing.

Sometimes less is more. With the 10-speeds, an 11-48T range, and evenly spaced gear steps, the ADVENT X cassette allows riders to shift less often to find the right gear, while still having enough range to ride what they want. Fewer cogs also means less weight and a wider chain for better mud shedding. It even fits on standard 10-speed freehub bodies so you don't need to buy new wheels for no reason. In short, it's everything you want in a high-end drivetrain. - Two alloy large cogs and a full alloy spider eliminate unwanted weight - Ramped cogs aid in shifting under load - Continuously molded construction maintains straightness and durability - Compatible with standard HG freehub bodies and 10-speed chains - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Cassette Cogs: 11-13-15-18-21-24-28-34-40-48

The STYLO 6K DUB crankset delivers consistent performance every time out. Featuring SRAM’s DUB technology, this design simplifies the relationship of the spindle to the bottom bracket. 6000-series forged aluminum arms support the X-SYNC 2 chainring to provide complete chain control. Now everyone can benefit from a new measure of durability. - SRAM DUB technology creates a lighter, stiffer and stronger crankset - 6003 series forged aluminum arms - Included direct mount X-SYNC 2 chainring provides significantly quieter performance, with better mud clearing and durability - Chainring is designed specifically for Eagle chains and drivetrains - DUB compatible bottom bracket sold separately - Boost Compatible - BB Included: No - Chainring BCD: SRAM Direct Mount - Crank Intended Use: Mountain - Number of Chainrings: Single - Drivetrain Speeds: 12, 11, 10 - Spindle Interface Type: SRAM DUB - Chainline/Hub Compatibility: 141/148 Boost Hubs

SRAM's Red road chainrings are stamped from 7075 aluminum for low weight and excellent strength. The teeth are ramped and pinned for precision shifting, too.

Replacement PowerGlide ring for 11 speed crankset. - Compatible with Asymmetrical Yaw front derailleurs - Bolt Circle Diameter (BCD): 110 BCD - Material: Aluminum

Shimano's 105 10-Speed Cassette delivers excellent shifting and durability. The cogs are made of long-lasing, smooth-running steel. They have Shimano's engineered tooth shapes for precision shifting. And for lightness, the cassette has an aluminum carrier for the top cogs and nylon spacers.

SRAM’s premier 10-speed chain features hollow pins and cut-out outer plates for accurate shifting in all conditions, light weight, strength and smoothness. Plus, it's compatible with all industry-standard 10-speed systems. And, with its great PowerLock connecting link, installation and removal is a snap.

The e*thirteen e*spec Plus Crank Arm Set is designed to work with Bosch Gen 4 eBike motors. These alloy crank arms offer a slim Q-factor and smaller overall profile, while keeping e*thirteen's proven crank technology at the forefront. - An 8mm self-extractor bolt is built into both arms for easy removal - 6061 Aluminum - Number of Chainrings: No Rings Included - Chainline/Hub Compatibility: 141/148 Boost Hubs, 150/157 Hubs - Crank Intended Use: Mountain - Pedal Spindle: 9/16" - Designed for ebike: Yes - Drivetrain Speeds: 11, 12 - Chainring BCD: Direct Mount Bosch - BB Included: No

Shimano's Deore XT Rear Derailleur uses cold-forged construction and cutting edge technology to deliver crisp shifting, real-world reliability, and trademark precision. Plus-type derailleurs use a lever-actuated clutch spring to prevent chain slap, reduce noise while on the trail, and improve chain engagement when riding over rough terrain. Sealed pulley bearings keep things spinning smoothly, and wide plate construction prevents the derailleur from getting clogged with mud and debris.

The STYLO 6K DUB crankset delivers consistent performance every time out. Featuring SRAM’s DUB technology, this design simplifies the relationship of the spindle to the bottom bracket. 6000 series forged aluminum arms support the X-SYNC 2 chainring to provide complete chain control. Now everyone can benefit from a new measure of durability. - SRAM DUB technology creates a lighter, stiffer and stronger crankset - 6003 series forged aluminum arms - Included direct mount X-SYNC 2 chainring provides significantly quieter performance, with better mud clearing and durability - Chainring is designed specifically for Eagle chains and drivetrains - DUB compatible bottom bracket sold separately - BB Included: No - Chainring BCD: SRAM Direct Mount - Crank Intended Use: Mountain - Number of Chainrings: Single - Drivetrain Speeds: 12, 11, 10 - Spindle Interface Type: SRAM DUB - Chainline/Hub Compatibility: 135/142 MTB Hubs

The Wheels Mfg BB30 Outboard bottom bracket will give you all of the same benefits as their other Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in BB30 frames without the need for adapters. - Bearings: Enduro ABEC-3 - Color: Red - Bottom Bracket/Frame Interface: BB30, Specialized Alloy OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 42mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 130g

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Designed for use with SRAM Wide Cranksets - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

Downhillers and freeriders need tough gear that can handle the abuse of big air and huge drops. TruVativ's Giga Pipe Team DH Bottom Bracket uses four sealed cartridge bearings to provide smooth pedaling season after season. For serious strength, the Giga Pipe boasts CNC-machined aluminum cups and a stiff chromoly spindle, too.

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The SRAM DUB bottom bracket series has a simple job— to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The new SRAM DUB bottom bracket series has a simple job: connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. - One oversized spindle to work across every bottom bracket standard. - Greater bearing durability - Easy installation - PressFit cups for lighter weight

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Designed for use with SRAM Wide Cranksets - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

Origin-8's Trackstar Crankset is made of light and durable forged aluminum and features a stylish machined-aluminum 46-tooth 1/8-inch chainring for excellent power transfer on the road and track. - Single speed crankset - Forged AL6061-T6 alloy crankarms - CNC alloy 1/8" 46 tooth chainring - 42mm chainline with 103mm JIS BB

The Box Four Rear Derailleur is the base of Prime 9 Technology that offers an affordable clutch based 1 by 8-speed derailleur that is simple and light; this makes it a perfect candidate for every entry-level bike that traditionally has a 3 by drive-train that is neither durable nor user friendly.

SRAM's 1170 11-Speed Cassette is constructed of light, durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick, positive gear changes. This excellent cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio, a lightweight aluminum lockring, and is available in three ranges to suit all your riding.

The Box Three Prime 9 cassette is a great all-around cassette option. All cogs are stamped from steel and subsequently, the larger ones are pinned to alloy spiders. It also features weight-reducing holes on the cogs. - The Box Three Prime 9 offers ultra-wide ratio with consistent progressions - Prime 9 technology offers the same range as a 12-speed drivetrain, with fewer gears to shift through - Fewer parts, reduced weight, and increased durability - Cogs pinned to lightweight spiders - Constructed using a standard freehub body (HG) - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Drivetrain Speeds: 9 - Designed for ebike: Yes - Color: ED Black

FSA Super Road Chainrings are designed to provide flawless shifting, with minimal weight and unmatched durability. - Precision CNC machined AL7075/T6 alloy

• 10-speed MTB cassette • Shimano and SRAM compatible • 11,12,13,15,18,21,24,27,30,34 (11-34T) • 11,12,13,15,18,21,24,28,32,36 (11-36T)

The SRAM SX Eagle Crankset includes Eagle platform styling and features at an entry-level price point. SX Eagle cranks are compatible with all levels with SRAM Eagle drivetrain systems. - Offers the same chain retention performance as seen in all higher-level Eagle drivetrain cranks - 32T direct mount X-SYNC 2 steel chainring included - Aluminum crank arms - 11/12-speed compatible - Bottom bracket sold separately

The Box One multi shifter is the only shifter on the market that comes factory stock with a hinged (and machined) clamp. It's top of the line and comes packed with other features such as a durable cast aluminum pull lever and top shell. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).

Narrow/Wide tooth design for chain retention on 1x systems - 10 or 11 speed compatible - Mud clearing channels - CNC 7075 Swiss Alloy

Be it the fireworks of a finale, an ideal rhythm, climbing on the top, or a deep, dark place extracting the last kilojoule of effort on your bike split, you want to adjust your gear with the twitch of a finger. eTap Blip satellite shifters allow you to shift when you want, where you want. - Limitless remote shifting positions for drop and aero bars - Wired shift buttons can be positioned however the rider prefers - Connect to Blip Box or drop bar eTap levers - Compatible with SRAM RED eTap shift/brake controls

Dimension Freewheels are excellent drivetrain component replacements. With smooth shifting performance and durable construction, they'll help breathe new life into older bikes. - A must-have in any bicycle service department - One-piece design - Shimano index compatible - Works with most friction shifters - Suitable for use with e-bike drivetrains

For those who ride road bikes and prefer the upright riding style and stability of flat bars, Shimano Tiagra flat bar shifters are an ideal choice. - Instant release, 2-way release - Rapidfire Plus technology - Optical gear display - Includes SP41 shift cable set - Compatible with standard road front derailleurs

SHIMANO SORA SL-R3000 shift lever provides reliable and intuitive shifting for flat bar road bikes. The RAPIDFIRE PLUS left shift lever features 2WAY-RELEASE and SHIMANO's OPTICAL GEAR DISPLAY shows riders what gear position is selected while riding. FEATURE -SHIMANO STI (DUAL CONTROL LEVER) with internal cable routing BENEFIT - Clean cockpit area - Compatible with standard 9-speed rear derailleurs

Imagination is the only limitation to how much the microSHIFT bar-end shifters can do. Their small, minimalistic designs are packed with precision machined mechanism that allows you to shift accurately with either index or friction mode. Go on any adventure without worrying about mechanical issues. - Includes stainless slick shift cables - Index/friction switchable - Shift lever and bracket built with anodized, cold-forged aluminum - 19.0 - 22.0mm clamp band

The KMC X12 EPT EcoProteq chain features a specialized rust protection treatment that provides less noise, great performance, and maximum rust resistance. - EcoProteq treatment delivers maximum rust resistance - Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting - Mushroom riveted pins for the highest pin power and allows shifting under heavy loads - Non-directional - Compatible with SRAM 12-speed systems

Shimano's 11-speed SLX cassette features the same computer-designed shift profiles that have made Shimano shifting synonymous with speed and accuracy. - Series: SLX - Average Weight: 467g

Shimano XT CS-M770 9-Speed Cassette - Aluminum carrier reduces weight and increases rigidity - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Weight: 323 grams

Gates Carbon Drive CDC Rear Sprockets for 3-Lobe SureFit are crafted from coated steel, making them durable enough for global trekking, competitive racing, or rugged off-roading. - SureFit 3-Lobe mounting style for Shimano / SRAM - Coated steel construction - 11mm pitch

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

absoluteBLACK Premium Round 110 BCD Road Chainrings utilize absoluteBLACK's top-tier design features. They are designed for new and old Shimano 4-arm cranks, such as Dura-Ace 9100, 9000, Ultegra 8000, 6800 & 105 R7000, and more. Optimized with smooth shifting in mind, premium chainrings have a 6-point ramp and recess design. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. - Chainring BCD: 110 Shimano Asymmetric - Rings provide exceptional stiffness due to thicker, 5mm construction - Provides excellent weight-to-strength ratio - 10, 11, and 12-speed compatible - If only switching the inner chainring, use all original crank bolts

The radical look and feel of SRAM's X-SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC chainrings. They subjected every size of chainring to untold environmental and mechanical tortures, abuse and neglect, in both lab and real-world settings, to come up with a chainring that would augment the Eagle drivetrain’s performance in all conditions. The longer, positive-rake tooth shape has been designed to work perfectly with the Eagle chain to increase chain retention and overall pedaling efficiency, while decreasing friction, noise and wear.

Shimano XT M8000 11-Speed Chainrings - Chainring BCD: 96 Shimano Asymmetric - Color: Black - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Inner - Tooth Count: 34

UL Chainrings are the lightest 1x XC/Gravel chainrings on the market. Using the SL Chainring as the platform, we tweaked the arm design and strategically machined the chainring so that only minimal sacrifice was made in impact strength for large gains in weight reduction. - Direct Mount chainring for XCX, TRS, and LG1 cranks - Updated M3 narrow-wide tooth profile eliminates chain noise, and decreases overall system wear while retaining chain - 10/11/12 speed. Compatible with both Shimano and SRAM 12-speed drivetrains - Provides Boost 148mm chainline on XCX Mountain cranks and 142mm chainlines on XCX Gravel cranks - Provides chainline for Superboost spacing on TRS and LG1 cranks UL Chainrings are not compatible with Helix cranks. Helix cranks require Helix rings available soon.

BB86 threaded BB for Fat Bike PF41. Machined cups thread together for stability, increased bearing life, and simple installation and maintenance. No more creaking. Smooth operation. Fast bearing replacement. - Bearings: Enduro ABEC-3 - Color: Black - Bottom Bracket/Frame Interface: PF41 - BB121, PF41 - BB132 - Bottom Bracket Shell Width (mm): 121mm - 132mm - Bottom Bracket Shell I.D.: 41mm - Crank Spindle Type: SRAM / Truvativ GXP - Crank Spindle Diameter: 22/24mm - Weight: 120g

Pair Shimano's 1x11 XTR chainring with an XTR rear derailleur and experience a simple, light drivetrain with exceptional chain management. A range of chainring sizes lets you customize your drivetrain for any terrain.

The Race Face Aeffect crank is designed to handle aggressive trail riding at XC crank weight and an attractive price point. Features the CINCH system with its interchangeable spider options and a 24mm EXI interface spindle. - Crank arms forged from 6066 aluminum - Compatible with all CINCH direct mount rings and spiders to easily convert between existing chainring standards - Compatible with direct mount, 1x, 2x with - and without bash, and 3x configurations - 24mm EXI spindle compatible with Race Face X-Type bottom brackets or Hollowtech II compatible bottom brackets - CINCH removable spiders and direct mount rings utilize a 20-tooth ISIS cup BB tool for removal and installation - Bottom bracket sold separately

Mud and moving parts are enemies in the sport of cyclocross. That's why SRAM decided they were going to simplify things. Remove the front derailleur, increase the range of the cassette, make dropped chains a thing of the past, and you've got a cross drivetrain worthy of hammering. SRAM's CX1 X-Sync Chain Ring is an integral part of that system. It mates to 110 BCD cranks and features a wide-narrow-wide tooth profile to securely hold the chain through the roughest terrain. It's also specially designed with mud clearing in mind to keep your rig light and fast. A variety of sizes ranging from the spin-to-win 38T to the flat-out 46T let you dial in your rig for your strengths or course.

Make SRAM 1x even better with the simplicity of the SRAM X-SYNC Direct Mount chainring. Engineered in Germany, the new Direct Mount rings brings lighter weight and greater simplicity to XX1, X01, X1-1400, and GX-1400 cranksets. SRAM’s Direct Mount rings give riders the perfect opportunity for a serious upgrade. - Fully CNC AL rings - X-SYNC technology - Lighter weight than spider version (~25-50g depending on size) - Offset: 0mm (BB30), 6mm (GXP)

Designed for the most discerning, performance obsessed riders, SRAM's GX 2x11 Front Grip Shifter features weight-saving construction and delivers outstanding speed and precision. SRAM's X-Actuation gives you precise and dependable front 2-speed performance. This left-side front shifter is compatible with SRAM's GX 2x11-speed front derailleur. • Full metal, 2-speed indexing keeps shifting crisp and precise with Grip Shift • Three rows of ball bearings provide zero friction or play—reducing the force needed to shift and promoting long-term performance under all weather conditions with Grip Shift • Once the Grip Shift shifter and grip interlock securely, forged aluminum clamps on either end reinforce the assembly by locking tightly to handlebar • Weight: 144 grams

absoluteBLACK Oval 96 BCD 1x Chainrings greatly improve traction and climbing abilities. They are designed for use with Shimano XT M8000, SLX M7000, and MT700 1x or 2x cranks only. The specially designed narrow-wide tooth profile keeps the chain snug, allowing you to leave your chain keeper in the garage. They are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. Ovality has been optimized for each chainring size, ranging from 10.2-14.4%, with timing of 110.5-116.3° after TDC (top dead center). - Only compatible with Shimano XT M8000, SLX M7000, and MT700 1x or 2x cranks - Chainrings fit boost and non-boost bikes, as correct offset is realized by the crank spider itself, not chainring - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - Teeth have been 3D-machined for ultimate mud shedding and quieter operation - The unique, patent-pending narrow-wide tooth profile keeps the chain in place - Chainrings have built-in standoffs to provide the ideal 1X chainline - For 49mm chainline - Only use the included extra-long chainring bolts

Tested extensively by the Dutch National BMX Team, Damien Godet, Kory Cook, and numerous other elite racers, Box Two™ Freewheels combine durability with lightning-fast engagement. They feature nine, super durable pawls and are available in one of three choices -- 16, 17, or 18 teeth. To install, use the Park Tools™ FR-6 or other installation tool designed for single-speed freewheels with four notches that are approximately 32mm across measured inside to inside and 40mm outside to outside. FEATURES - 9 Pawls 108 [3.3°] Points of Fast Engagement

Pedal smoothly and steadily with Origin-8's Torqlite Square-Taper Bottom Bracket. The forged aluminum body and cups are light and tough, the CNC'd hollow-chromoly spindle is stiff and shaves more grams, and the sealed bearings are super smooth and durable.

- High-performance gear combinations provide superior rider choice - Hub body to fit a variety of bikes from MTB to road - Model Number: CS-HG800-11 - Series: Shimano - Average Weight: 335 grams

Precision CNC CroMo construction - 9 Pawl/108 Point/3.33° Engagement for instant power transfer - 8 spline removal - Chrome plated

BBRight™ Outboard bottom bracket for use with 24mm spindle diameter cranksets. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. - Bearings: Enduro ABEC-3 - Color: Black - Bottom Bracket/Frame Interface: BBRight™ Press Fit - Bottom Bracket Shell Width (mm): 79mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 148g