The number to count on—240 with Ratchet EXP. The new 240 is developed for riders with the most extreme ambitions. The latest version of the hub is equipped with the Ratchet EXP system to maximize reliability. The increased bearing distance increases bearing lifetime, the straight spring provides more direct engagement (which reduces wear), and a smaller number of parts not only makes maintenance easier, but also reduces weight.

- Replacement pawls and springs for DJD Bush Drive rear are for original DJD or DJD-Bush Drive rear hub - Replacement pawls and springs for Spin Doctor 6-Drive are compatible with all 6-Drive hubs - Replacement pawls and springs for Supa Drive are compatible with all Supa Drive hubs - Spin Doctor, Spin Doctor Pro and Spin Doctor 6-Drive parts are generally not cross compatible - DJD and DJD-BD parts are generally not cross compatible

The Box One Stealth Expert Rear Hub is designed to be lightweight for smaller riders and features small hub flanges, lower spoke counts, and decreased material to keep the weight down. Featuring our Stealth Technology adds instant engagement and silent low-drag coasting making it ideal for Mini, Junior, or Expert wheel build. Still, it may also accommodate a lightweight rider looking to move up to a pro-sized bike. FEATURES - Stealth Technology™ - Instant Power Delivery - Low Drag Coasting - Infinite Points of Engagement - Silent Coasting - Micro-Adjust Pre-Load Collar

With simple setup and reliable trail performance, the Shimano Deore XT 8100 front hub is perfect for custom MTB wheel builds. - Easy disc brake rotor installation with Center Lock spline mount and lock ring - Tool-less 15mm thru axle system optimizes rigidity and weight - Simple setup and reliable trail performance

12x142mm conversion endcaps for Hope Pro 2 Evo rear hubs.

Build your singlespeed or fixie bike around Surly's Ultra New Roadie Rear Hub. This gorgeous hunk of aluminum has the capability you need and reliable sealed bearings, too! It sports threads for a track cog and lockring on one side and a freewheel on the other so you can decide how you want to roll. Plus, this hub's 130mm width fits most road frames and the hollow chromoly axle provides a flex-free ride as well as simple quick release skewer compatibility.

Track stars and fixed-gear converts love Surly's Ultra New Track Rear Hub! This gorgeous hunk of aluminum boasts reliable sealed bearings, and your choice of fixed/fixed or fixed/free gearing. Plus, this hub's 120mm width fits most track frames and the flex-free solid axle is forged from rugged chromoly.

- Front axle conversion, 15mm thru-axle, Wide Boy - Conversions for fitting a Wide Boy hub onto either a 15mm or 20mm thru-axle fork

- HEX DRIVE 102T technology delivers 3.5° engagement for almost instant pickup - 6 independent pawls with 3 steps per pawl, work in unison, meaning 18 engagement points per click - Bite-Block Alloy HG and XD Freehub bodies resist damage from cassettes without the weight penalty of steel - Forged and CNC weight-optimized alloy hub body - Unique flange design reduces dish requirement and minimizes tension range between drive-side and non-drive-side spokes - Advanced seal system improves prevention of bearing/drive system contamination - QR end caps included with all hubs - Cassette/Driver: choose; Shimano HG-11, or Scram XDR - Axle/Spacing: 12x142mm Thru Axle (includes 10mm QR endcaps) - Hole: 28h

- Threaded for multi-speed freewheel (7sp), includes 70mm drum brake - A356 aluminum hub shell with 9mm solid axle (183mm overall axle length) - Freewheel and brake lever sold separately

- Use a front/reat set or match the front with Sturmey 3sp fixed rear or 2sp kickback rear - 6061 aluminum shell with sealed cartridge bearing and solid nutted axle (145mm front/175mm rear overall axle length) - Rear is flip-flop threaded for freewheel

Track Front Hub - High polish silver aluminum

Shimano's 105 Front Hub is an excellent beginning to a strong, light front wheel. The diamond-polished bearing races mean the hub rolls super smoothly and the labyrinth seals shut out dust, dirt and water. Plus, the cold-forged-aluminum hub shell is beautiful and built to last. You get Shimano's excellent quick-release skewer, too.

The Shimano Alfine DH-UR705-3D Dynamo hub employs a new internal unit construction that is lighter and also reduces dynamo drag while producing 3 watts. It is designed for 26 to 28-inch Center Lock wheels and uses a 12 x 100mm E-THRU axle design. - New internal unit construction is 28g lighter than DH-T8000-3D - More efficient wheel rotation reduces dynamo drag by up to 44% from DH-T8000 - Proper positioning with 12mm E-THRU - Angular contact bearings - Compact & lightweight - Low rotational resistance - Effortless setting of disc rotor - Durable sealing performance

Hope Pro2 Evo Freehub Bodies · Not compatible with Hope Pro2

Surly's Ultra New Disc Rear Hub is just the thing for singlespeed fanatics and one-gear mountain riders. This gorgeous hunk of aluminum boasts reliable sealed bearings and a 6-bolt disc attachment on one side and threads for a singlespeed freewheel (or fixed cog) on the other. A hollow axle lets you choose how to secure it to your dropouts. You have choice between the included fixing bolts or a quick release skewer (sold separately). And, that aforementioned chromoly axle is flex-free to take all the abuse you can dish out, and then some!

The Box One Stealth Expert Front Hub is designed to be light FOR lightweight riders, and features small hub flanges, lower spoke counts, and decreased material to keep the weight down. This makes the Stealth Expert Front Hub ideal for any Mini, Junior, or Expert wheel build, but may also accommodate a lightweight rider looking to move up to a pro-sized bike. FEATURES - Micro-Adjust Pre-Load Collar - Lightweight Design IMPORTANT NOTES Warning: The BMX spec is optimized for even lower drag with unsealed bearing. They are designed to be ridden in dry conditions. If ridden in wet conditions you will need to service the internals after each event or riding session. COMPATIBILITY - Box One XS Mini Carbon 1" Alloy Steerer 20" x 10mm Fork Black - Box One XE Expert Carbon 1” Alloy Steerer 20” x 10mm Fork - Box One 24x1-1/8" 28-Hole Front Rim Black - Box One 20X 1-1/8" 28-Hole Rim Rear Black

The number to count on—240 with Ratchet EXP. The new 240 is developed for riders with the most extreme ambitions. The latest version of the hub is equipped with the Ratchet EXP system to maximize reliability. The increased bearing distance increases bearing lifetime, the straight spring provides more direct engagement (which reduces wear), and a smaller number of parts not only makes maintenance easier, but also reduces weight.

- 9 x 100mm quick-release endcaps for Spin Doctor 6F (front) - Conversion kits for Spin Doctor 6-Drive hubs are not compatible with original Spin Doctor or Spin Doctor Pro hubs

- Axle/Spacing: 9 x 100mm nutted - Hole: 32-hole - Weight: 252g - CNC machined, high-polished, high-flange aluminum shell - Japanese sealed cartridge bearings - Hollow CrMo nutted axle with titanium color finish

DT Swiss Sinc Ceramic cartridge bearings. - The black dust cover is intended to be installed facing the hub and the tan seal is intended to face externally

The pinnacle among the hubs–Ratchet EXP united with SINC ceramic bearings. The premium 180 hub convinces with its sophisticated Ratchet EXP technology, giving the hub extra lightness, stiffness, and precision along with easy, no-tool maintenance. Furthermore, assembled with the low-friction SINC ceramic bearings, the hub performs efficiently and brings your power directly to the road. The hub is available for straight pull spokes only.

Track Rear Hub - .

Shimano XT FH-M756 Series Rear Hub - Double contact bearing seals - Super polished bearing races for low friction rolling - Light alloy QR lever and nut - 6-Bolt rotor mount - Bearing Type: Loose Ball - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Center to Flange, Left: 33.5 - Center to Flange, Right: 20.5 - Flange Diameter Left: 61 - Flange Diameter Right: 61 - Hub Drilling: 32 - Hub/Brake Compatibility: 6-Bolt Disc - Rear Axle: QR x 135mm - Skewer Included: Yes - Spoke Interface: J-Bend - Weight: 495 grams

Hope Pro2 Evo Freehub Bodies · Not compatible with Hope Pro2

Dependable Independence – Reliability, versatility, and simplicity are united in a hub. Thanks to the proven freehub Ratchet System, the 350 hub is a dependable partner for every adventure. The 36-tooth ratchets ensure direct power transmission. The sophisticated yet simple construction of the hub allows a low weight while providing outstanding rolling performance. Furthermore, it enables cyclists not only to maintain their freehub system without special tools but also to convert to the various standards. The intention behind the 350 was to create a dependable hub that supports cyclists in their independence. PRODUCT DETAILS: - A DEPENDABLE HUB The freehub Ratchet System makes the 350 the dependable partner for any ride - NO TOOL CONCEPT Plug-in hub construction allows for quick and tool-free maintenance - NEW ENDCAPS The new shape of the end caps facilitates disassembly and thus speeds up handling requiring disassembly - VARIETY The 350 hub is available for all common axle standards and for the various drivetrain systems. TECHNOLOGY: We believe in the art of engineering and strive for sophistication in the product development process. Our guiding idea is to constantly push barriers with our in-house developed technologies. LEGENDARY RELIABILITY: The patented freewheel system, which features high-precision star ratchets, guarantees top performance and reliability. The simultaneous engagement of the ratchet teeth makes the Ratchet System extremely reliable since the loads are distributed equally across a large contact surface.

The new standard for durability and price. - Patented Star-Ratchet system - Contact-free seals and high precision build guarantee smooth bearings - Press-fit end caps allow tool-free maintenance and conversion

Parts for repair and maintenance of DT Swiss hubs.

- eMTB rated with steel axles - 6902 cartridge bearings and robust 10 degree engagement - 32h spoke count - For J-Bend spokes only

- Internal gear 3-speed hub with HG-splined 8-10sp freehub body for use with any IS 6-bolt disc brake - 6061 aluminum hub shell with 13/32" slotted solid axle (179mm overall axle length) - Gear ratio range of 177% (33% each step) - Cassette and shifters sold separately. Special shifter setup required: internal 3sp is shifted via a standard mountain 3sp front derailleur shifter. Sturmey Archer shifters not compatible with this hub

From World Cup DH runs to big hits on your local trails, Shimano's Saint rear hub is the answer. Its overbuilt features, like a 12mm thru-axle, beefy flanges, and impact-resistant angular contact bearings, give you the confidence you need to go big and stick the landing. The freehub uses micro-ratchet construction for fast engagement so you can sprint out of the corners and pick up speed for that next double. It's compatible with 8-,9-, and 10-speed drivetrains and uses Shimano's Centerlock Rotor Mount to keep rotor swaps easy.

Shimano Alfine SG-S7001 Disc Brake Internally Geared Hub delivers an impressive gear range, spread across 8 speeds, all with the reliability and low maintenance you can only get with an internally geared hub. - Center Lock Disc Rotor Compatible - Rotor lockring not included - Hub Center to Flange: 30.0mm - Hub Drilling: 32-hole - Flange Diameter: 92.5mm - Drivetrain Speeds: 8 - Spoke Interface: J-Bend

Surly's Ultra New Disc Front Hub is a gorgeous hunk of aluminum that boasts reliable sealed bearings and a 6-bolt disc attachment. The forged chromoly axle is flex-free for steering precision, long-lasting durability and simple quick-release compatibility.

Aluminum rear hub for bicycle - 18P DBCL 24 holes, straightpull, black. Aluminum Campagnolo freehub body, black. - Dimension: 12x142mm

Whether the goal is a finish line, epic adventure or simply getting back home again, SRAM's 900 hubs are ready for the challenge. On the inside, their smooth and durable DOUBLE TIME drive mechanism ensures rapid engagement for quick and confident pedal responsiveness. SPEEDBALL bearings provide smooth, long-lasting rotation performance. Multiple spoke-count and cassette-capability options, as well as interchangeable end caps, make the 900 hubs a perfect choice for any disc-equipped road, gravel, cyclocross, cross country, trail, or enduro bike. - Fully convertible with tool-free end caps - 24, 28 or 32 spoke holes

- Kick-shift 2-speed hub - Coaster brake - Benefits include its simple backpedal-action shifting/braking and no cables or shifters - 6061 aluminum hub shell with 13/32" slotted solid axle (162mm overall axle length) - Gear ratio range of 138% - Includes 22 tooth 3-spline cog - 116mm OLD (over-locknut dimension)

Hope Front Axle Conversion Kits · Compatible with Pro 2 and Pro 2 Evo hubs · Converts all Hope Pro 2 and Pro 2 Evo hubs to 15mm through axle hubs

Shimano Alfine Center Lock Dynamo Front Hub - Compatible with 26 to 28-inch wheel sizes - Light alloy QR lever and nut - 6V, 3.0W output - Centerlock rotor mount - Spoke Interface: J-Bend - Weight: 575g

Alloy Shimano Micro Spline Freehub Body for HEX rear hubs. - Compatibility: HEX J-TYPE/HEX STRAIGHT-PULL Rear Hubs - Includes: Spacer ring, conversion spacer, and 3 bearings - Material: alloy - Weight: 108g

Hope XD-11 Freehub Bodies · Converts Hope Pro 2 hubs to work with XD Driver · Contains axle, endcaps, bearings and driver

- Threaded for singlespeed freewheel, includes 70mm drum brake - A356 aluminum hub shell with 9mm solid axle (183mm overall axle length) - Freewheel and brake lever sold separately

End caps for front conversion hubs.

Direct power meets simplicity—running smoothly day-in and day-out. The 350 hub was developed according to the credo: Reliability meets simplicity. The simultaneous engagement of the ratchets and the resulting large engagement area provide reliability. The plugged construction allows easy maintenance without the need for tools. Adaptation to different axle standards or modification of the engagement angle is also possible with just a few manual steps.

DT Swiss Sinc Ceramic cartridge bearings. - The black dust cover is intended to be installed facing the hub and the tan seal is intended to face externally

The pinnacle among the hubs–Ratchet EXP united with SINC ceramic bearings. The premium 180 hub convinces with its sophisticated Ratchet EXP technology, giving the hub extra lightness, stiffness, and precision along with easy, no-tool maintenance. Furthermore, assembled with the low-friction SINC ceramic bearings, the hub performs efficiently and brings your power directly to the road. The hub is available for straight pull spokes only.

Shimano's Alfine SG-S7001 Disc Brake Internally Geared Hub delivers an impressive gear range, spread across 11 speeds, all with the reliability and low maintenance you can only get with an internally geared hub. - Center Lock Disc Rotor Compatible

15x142mm conversion kit for Hope Fatsno front hubs.

- Rear axle replacement kit, 10mm nutted, DJD-SupaD - Spin Doctor, Spin Doctor Pro and Spin Doctor 6-Drive parts are generally not cross compatible - DJD and DJD-BD parts are generally not cross compatible

- Axle/Spacing: 10/14 x 135mm nutted - International Standard 6-bolt disc rotor mount - 11 tooth (1/8") steel cog is pre-installed, ideal for compact drivetrain setup - Tough, instant pickup 120 point triple wedge pawl system with a bushed mini threaded driver for Singlespeed and Dirt Jump - Bushed driver is more durable than cartridge bearings - Forged 6061 aluminum shell, 2 main body sealed cartridge bearings - CrMo M10 bolt-in fittings with 6mm anti-rotation hex fitting (helps when tightening wheel in frame), 14mm adapters included

- 15 x 100mm thru-axle endcaps for Spin Doctor 6F (front)hub - 20 x 110mm thru-axle endcaps for Spin Doctor 6F (front hub - Conversion kits for Spin Doctor 6-Drive hubs are not compatible with original Spin Doctor and Spin Doctor Pro hubs

- Converts a 120mm OL spacing track hub to 130mm OL Road spacing 10mm nutted steel axle

- Replacement driver for Original DJD or DJD-Bush Drive rear hub - Need DJD Original removal tool or DJD Bush Drive removal tool (sold separately)

- Ultra-tough 5 bearing Single Speed rear hub for All Mountain, DJ, FR, Pumptrack, and BMX. - Integrated 3mm 11T Cog Freehub (for 1/8" SS Chains) - Female Axle, M10 Lock-down Bolts, Alloy End-Caps - Wide Flange design eliminates dish in rear wheel, maximizing wheel strength & stiffness - Hole count: 32H - 6-bolt

Freehub Bodies for service and replacement on Shimano hubs.