Developed for versatility on your mountain bike (MTB), this Boost spaced rear hub provides smooth & reliable performance for a wide range from riding disciplines from all mountain (AM), to enduro & downhill (DH) racing. It features a durable alloy hub body that's been put through a CNC optimising and forging process, which shaves off any unnecessary material while still maintaining maximum strength. As a result, it provides a fantastic balance of toughness & strength, without any weight penalty. Spank has also equipped it with an alloy axle for further robustness & longevity as you charge from trail to trail. To top it off, the brand gave it a matte anodised finish for extra protection against corrosion during wetter riding conditions, while its laser logos give it a sleek look that complements your ride. Boost Spacing & 6-bolt Disc Brake Ready Engineered for the demands of today's riders, this rear hub comes kitted out with boost spacing to match perfectly with 12x 148mm compatible modern MTB frames. This allows it to provide stiff & dependable performance as you carve your way around the mountain. Another benefit is its 6-bolt disc brake compatibility, which means that you can enjoy powerful & consistent braking, wherever your next ride takes you. Coming complete with an advanced seal system, the Spank HEX J-TYPE Boost Rear Hub also improves the prevention of bearing/drive system contamination, further increasing its longevity. Technologies:
- SPANK’s 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 & XD Freehub bodies resist damage from cassettes without the weight penalty of steel.
- Unique flange design reduces dish requirement & minimises tension range between drive side & non-drive side spokes.
- Advanced seal system improves prevention of bearing/drive system contamination.




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Boasting a full alloy body & axle, a Bite Block alloy freehub & an advanced seal system, the Spank HEX J-TYPE Boost Rear Hub is prepared for all-day epics on the trails. ...

Boasting a full alloy body & axle, a Bite Block alloy freehub & an advanced seal system, the Spank HEX J-TYPE Boost Rear Hub is prepared for all-day epics on the trails. ...

This rear MTB hub features a rock-solid alloy construction, which allows it to withstand all the intensity that's associated with extreme mountain bike trail-riding. Spank has also equipped it with a matte anodised finish, which gives it an extra layer of durability & corrosion resistance. This means that you won't have to worry about the elements damaging your gear when the riding conditions get wet. One final highlight is the HG version weighs only 318g & the XD version weighs 310g, so you can enjoy its smoothness without any unnecessary weight.
- SPANK’s 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 & XD Freehub bodies resist damage from cassettes without the weight penalty of steel
- Unique flange design reduces dish requirement & minimizes tension range between drive side & non-drive side spokes
- Advanced seal system improves prevention of bearing/drive system contamination




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This front MTB hub features a rock-solid alloy construction, which allows it to withstand all the intensity that's associated with extreme mountain bike trail-riding. Spank has also equipped it with a matte anodised finish, which gives it an extra layer of durability & corrosion resistance. This means that you won't have to worry about the elements damaging your gear when the riding conditions get wet. One final highlight is it weighs in at only 165g, so you can enjoy its smoothness without any unnecessary weight.
- Weight optimized, gravity inspired front hub
- 32 Oversized bearings, allow adaptability up to 20mm thru axles
- Unique flange design reduces dish requirement & minimizes tension range between drive side & non-drive side spokes
- Compatible with & Oslash;32 HEX front hub adapters only
- Advanced seal system improves prevention of bearing contamination




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This pawls & springs kit is specifically designed for use with HG splined Shimano / SRAM 11 speed cassettes or Shimano / SRAM 8-10 speed cassettes with a spacer. It is not compatible with HG 11 speed road cassettes. Genuine Spank spare parts. ...

Designed for simplicity, this MTB freehub means that you can easily swap out your existing rear hub & get back to enjoying smooth rotating performance. Coming equipped with an advanced seal system, this is an excellent replacement for tackling all the challenges of MTB trail-riding in all-weather conditions. ...

Developed for fast-paced trail-riding, the Spank Hex Rear Free Hub is perfect for repairing your existing Spank Hex rear MTB hub. ...

This rear hub adaptor is ideal for riders who want to change their rear axle setup. Available in various axle sizes to choose from. ...

This axle shaft features a hard-wearing alloy construction, which makes it more than capable of handling all the abuse that comes with blasting across the mountain bike trails at speed. Designed as a direct replacement for your worn out or damaged existing Spank Hex axle shaft, this model breathes new life back into your rear hub. ...