- Replacement drive ring for Spin Doctor Pro rear hub - Requires drive ring removal tool (sold separately)

- Front axle conversion for Spin Doctor hub - Various replacement axles and conversion kits for Spin Doctor and Spin Doctor Pro hubs - Some conversions utilize pre-existing axle components for retrofit - Conversion kits for original Spin Doctor and Spin Doctor Pro hubs are not compatible with Spin Doctor 6-Drive hubs - 14mm nutted "stub" bolt-on system requires Halo Front Axle Replacement Kit (sold separately)

- Press fit designed to work the hub's non-drive side collar.

SRAM's DualDrive is a unique drivetrain that combines a three-speed internal-gear hub with an external cassette and derailleur. The result is a wide-range of gears in a clean, one handed control system. SRAM's DualDrive Clickbox attaches to the DualDrive hub—and the DualDrive shifter via cable—so you can shift between the hub's three internal gears.

- Front axle replacement kit, 9mm quick release - 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

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

SRAM's 300 Hub is solid, dependable, and an excellent value. An aluminum hubshell with machined flange offers no-nonsense durability. Dependable cup and cone bearings roll smooth for the long haul and a strong, steel quick-release axle holds up under pressure, just like you.

- 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

- 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

- 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

Replacement end caps for Stan's NoTubes rear hubs with XD Driver.

- 10 x 135mm adapters for 6-Drive rear road disc hub - Includes: two adapters and one disc rotor spacer - Conversion kits for Spin Doctor 6-Drive hubs are not compatible with original Spin Doctor and Spin Doctor Pro hubs

- X-Fix allen key installs and removes x-12 Axles and clips into an x-12 Axle when not in use

Made for trekking bikes with rim brakes, the SHIMANO DEORE T610 front hub offers durable and reliable performance thanks to its high-quality sealing and angular contact bearings. - Double contact sealing - Super polished bearing races for low-friction rolling

- Thru-axle adapters, QR to 20mm, 2nd generation Spin Doctor - Various replacement axles and conversion kits for Spin Doctor and Spin Doctor Pro hubs, see item notes for specific fitment - Some conversions utilize pre-existing axle components for retrofit - Conversion kits for original Spin Doctor and Spin Doctor Pro hubs are not compatible with Spin Doctor 6-Drive hubs

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

- Rear axle conversions for Spin Doctor Pro rear hub - Various replacement axles and conversion kits for Spin Doctor and Spin Doctor Pro hubs - Some conversions utilize pre-existing axle components for retrofit - Conversion kits for original Spin Doctor and Spin Doctor Pro hubs are not compatible with Spin Doctor 6-Drive hubs

Stan's 3.30/3.30Ti 9mm Hub Kit makes Stan's 3.30 front hubs compatible with a 9mm thru-axle. Installation is easy—just pull the old ones off and put the new ones on.

10x135mm conversion endcaps for Hope Pro 2 Evo rear hubs.

SRAM's 406 hub borrows technology from its more expensive brethren to bring you a solid hub at a great price. An aluminum hubshell with machined flange offers no-nonsense durability. Dependable cup and cone bearings roll smooth for the long haul and a strong, steel quick-release axle holds up under pressure.

Stan's 3.30/3.30Ti 9mm Hub Kit makes Stan's 3.30 front hubs compatible with a standard quick-release. Installation is easy—just pull the old ones off and put the new ones on.

Shimano's Tiagra Front Hub is the durable, lightweight heart of a fast everyday front wheel. Super-polished cups and cones house ultra-smooth stainless steel bearings to minimize rolling resistance, and the hub's oversize aluminum shell builds into a stiff, responsive wheel. Adding to that, Shimano's labyrinth seals shut out dust, dirt and water for phenomenal durability.

Replacement end caps for Stan's NoTubes ZTR/3.30/3.30 Ti rear hub. They're compatible with a Type 2 hub.

Stan's 3.30HD QR Hub Kit makes Stan's 3.30HD front hubs quick-release compatible. Installation is easy—just pull the old ones off and put the new ones on.

SRAM's VIA GT Hub spins season after season with reliable performance. The lightweight aluminum hub shell rolls on time-tested cup-and-cone bearings for no-fuss maintenance. And, with steel quick-release axles, the VIA GT hub is ready for duty.

Shimano's Deore Front Hub offers durability and fast, smooth riding. It features a high-quality cold-forged aluminum shell, super durable angular contact bearings with high-polish bearing surfaces, and Shimano's easy-to-use Center Lock disc mount. The included quick-release skewer makes wheel installation and removal a breeze. - Hub/Brake Compatibility: Center-Lock Disc - Axle Type: QR - Axle Length: 100mm

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

SRAM's 300 Hub is solid, dependable, and an excellent value. An aluminum hubshell with machined flange offers no-nonsense durability. Dependable cup and cone bearings roll smooth for the long haul and a strong, steel quick release axle holds up under pressure, just like you.

- Rear Axle replacement kit, 10mm quick-release, SupaDrive - 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 Shimano HB-M525A hub is ideal for use with 6-bolt disc brake rotors and quick release dropouts. - Double contact sealing - Super polished bearing races for low friction rolling - 6-bolt ISO disc mounting surface

15mm thru-axle conversion kit for Hope Fatsno front hubs.

15x142mm conversion kit for Hope Fatsno front hubs.

Quick-release conversion kit for Hope Fatsno front hubs.

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

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

The Shimano HB-RS470 front disc brake hub features a Center Lock design, Internal Grease Sleeve, and Cup and Cone Bearing technology. - The Center Lock system makes for easy rotor installation with a quick and secure spline mount and lock ring - Hub features internal o-rings and a grease sleeve that helps maintain grease levels and increases service life

SRAM's 506 hub borrows technology from its more expensive brethren to bring you a solid hub at a great price. An aluminum hubshell with hi/lo flanges provide no-nonsense durability and even spoke tension. Dependable cup and cone bearings with polished races roll smooth for the long haul and a strong, steel quick-release axle holds up under pressure.

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 smooth 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.

Internal O-rings, a grease sleeve, and high-quality cup and cone bearings lend this 105-level hub high durability and smooth rolling. - Internal O-rings and grease sleeve - High quality, sealed Cup & Cone Bearing - High durability and smooth rolling for sustained performance

Hope Front Axle Conversion Kits · Compatible with Pro 2 and Pro 2 Evo hubs · Converts all Hope Pro 2 and Pro 2 Evo front hubs to 20mm through axle hubs

Hope Front Axle Conversion Kits · Compatible with Pro 2 and Pro 2 Evo hubs

- Heat-treated axle for improved strength - Angled Flanges for lateral stability in wheel building - Rear hubs include a 4-pawl cassette body with 9-tooth driver - Use: Front - Drilling: 36H - Material: Alloy - Brake Type: Rim - OLD: 100mm

Converts a Stan's 3.30/3.30Ti rear hub to a 12mm thru-axle. Compatible with both Type 1 and Type 2 rear hubs.

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.

SRAM's VIA GT Hub spins season after season with reliable performance. The lightweight aluminum hub shell rolls on time-tested cup-and-cone bearings for no-fuss maintenance. And, with a durable, steel quick-release axle, the VIA GT hubs are ready for duty.

Converts a Stan's 3.30RD/3.30RDTi hub to a 12x142mm thru-axle.

Build yourself a tough, no-nonsense rear wheel with Shimano's Deore Rear Hub. It features a quality cold-forged-aluminum shell, super durable angular contact bearings with high-polish bearing surfaces, and Shimano's excellent double contact sealing to seal out dirt and water. The freehub boasts quick engagement for lightning fast acceleration and confidence when negotiating tricky technical sections. A quick-release skewer makes wheel installation and removal a breeze.

SRAM's 406 hub borrows technology from its more expensive brethren to bring you a solid hub at a great price. An aluminum hubshell with machined flange offers no-nonsense durability. Dependable cup and cone bearings roll smooth for the long haul and a strong, steel quick-release axle holds up under pressure.

Quick Release Model • Model Number: HB-M8000 • Series: DEORE XT • Disc Rotor Mount: Center Lock Disc • Axle Type: QR • Axle Length: 100mm • Axle Diameter: 14mm • Contact Sealing: Labyrinth & Contact • Spoke Holes: 32H • Center to Flange (Right): 41mm • Center to Flange (Left): 44mm 15x100mm Thru-Axle Model • Model Number: HB-M8010 • Series: DEORE XT • Disc Rotor Mount: Center Lock Disc • Axle Type: 15mm E-Thru • Axle Length: 100mm • Axle Diameter: 17.5mm • Contact Sealing: Labyrinth & Contact • Spoke Holes: 32H • Center to Flange (Right): 44mm • Center to Flange (Left): 44mm

Shimano XT M756 front hub. - Double contact sealing - Super polished bearing races for low friction rolling - Light alloy QR lever and nut - 6-bolt ISO disc mounting surface

Shimano XT FH-M8000/8010 Front Hubs - All-weather durability, reliable performance and lighter weight - Cone races ground by a Cubic Boron Nitride tool for smooth rolling durability - Center Lock disc brakes provide reliable braking power - Rotor lockring not included - Series: Deore XT - Disc Rotor Mount: Center Lock Disc - Axle Type: QR - Axle Length: 100mm - Axle Diameter: 14mm - Contact Sealing: Labyrinth and Contact - Spoke Holes: 32H - Center to Flange (Right): 41mm - Center to Flange (Left): 44mm

Hope Rear Axle Conversion Kits · For Pre-2011 Hope hubs labeled Pro2(axle and end caps)

- Series: SLX - HB-M7000 - Axle Type: QR - Axle Length: 100 - Axle Diameter: 17.5 - HB-M7010 - Axle Type: 15mm E-Thru - Axle Length: 100 - Axle Diameter: 14 - Spoke Holes: 32H - Spoke Hole Circle: 44/44 - Average Weight: 189g

With simple setup and reliable trail performance, the SLX front hub is perfect for custom MTB wheel builds. - Easy disc brake rotor installation with Center Lock spline mount and lock ring - Tool-free 15mm thru axle system is stiff and lightweight - Simple setup and reliable trail performance

• Sealed cartridge bearings • High flange design • 120mm hub spacing • Aluminum hub body • Lightweight, hollow, heat-treated axle • Fix/freewheel hub threading • 32 and 26-hole spoke drilling • Bolt-on 3/8-inch axle • Black, silver, or white

- Model Number: HB-M7010-B - Series: SLX - Disc Rotor Mount: Center Lock Disc - Axle Type: 15mm E-Thru - Axle Length: 110 - Axle Diameter: 17.5 - Spoke Holes: 32H - Spoke Hole Circle: 44/44 - Average Weight: 158g

SRAM's 506 hub borrows technology from its more expensive brethren to bring you a solid hub at a great price. An aluminum hubshell with hi/lo flanges provides no-nonsense durability and even spoke tension. Dependable cup and cone bearings with polished races roll smooth for the long haul and a strong, steel quick-release axle holds up under pressure.

- 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

Whether your joy comes from barreling downhill, or tearing up to the top, SRAM's X7 hubs will leave a smile on your face. An aluminum hubshell with machined flange grant the hubs a low weight without compromising durability. Tough cartridge bearings roll smooth for the long haul and strong steel axles hold up under pressure, just like you.

- Stainless steel shafts screw into orange 7075 aluminum heads, putting the material where it's needed and not where it isn't - Nuts have a matching o-ring and a thread friction element to keep them in place after wheels are removed - Use standard rear quick release skewers for front FatBike applications