Hope Pro 4 Fatsno Mountain Bike Rear HubExpanding the range of mountain bike (MTB) types that can now enjoy the quality of its Pro 4 hub, Hope brings you its Pro 4 Fatsno model. Available in various widths and freehub types, it’s ready to meet the specific demands of modern Fat Bikes and for the latest drivetrains on the market. Constructed from a Forged Aluminium billet and CNC Machined to reduce weight, this bulletproof hub can withstand anything you or the trails can throw its way. It also spins on fully sealed cartridge bearings and its fast engaging freehub will get you up to speed in an instant.Features: Material: Hub shell CNC Machined from Forged Aluminium billet Bearing Type: Sealed stainless steel cartridge bearings Freehub: 4 pawl ratchet with 44 tooth engagement (8.2°) Brake Mount Type: Standard 6-bolt Axle Compatibility: Separate 12x177mm and 12x197mm options Spoke Hole Count: 32 Cassette Compatibility: SRAM XD Option: SRAM XD type 11/12-Speed cassettes Shimano HyperGlide (HG) Option: Shimano and Shimano type 9,10 and 11-Speed cassettes Shimano Microspline: Shimano 12-Speed MicroSpline type cassettes only Larger spoke flange to enable stiffer wheel builds Available to suit most Fat Bike axle sizes and disc spacingUnsurpassed reliabilityEasy to serviceWeight: 367g (Shimano, 170/177mm width)Buy Hope Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
The Hope Pro 4 Fatsno hub provides unsurpassed reliability and it's exceptionally durable. Machined from a single aluminium billet and finished with easily serviceable sealed stainless steel cartridge bearings; this mountain bike (MTB) disc brake compatible hub will last a lot longer than most high-end models from other brands. Hope has proven its reputation for exceptional quality time and time again and the Hope Pro 4 Fatsno Rear version is no exception. This hub is the benchmark disc brake compatible rear hub for Fat Bikes. Durability, reliability and performance are qualities assured by Hope design; they are able to handle the growing demands of modern mountain bike riding, trails and obstacles. They are also very easy to service and requires no proprietary tools, making maintenance simple.
Hope Pro 4 Freehub AssemblyWith a 44 tooth engagement from its 4-pawl ratchet design, this genuine Hope replacement Pro 4 freehub gives you almost instant pedal response as take off. Making the most of every acceleration burst, it also spins on smooth rolling cartridge bearings. These stainless steel bearings are fully sealed for reliable and consistent performance in all conditions.Features: Genuine replacement part Compatible with Hope Pro 4 rear hubs only Designed, tested and manufactured by Hope in its Barnoldswick plant 4 pawl ratchet with 44 tooth engagement (8.2°) Sealed stainless steel cartridge bearings Please Note: The images for the HUB538 models should be used as a guide only. A black or silver colour may be sent Included: Freehub with sealed bearings and 4 pawls installed Weight: 82g (approx)Specifications: HUB537 (XX1/XD): For use with SRAM XD (11 Speed) Cassette only (*Excluding PG-1130 and PG-1230) HUB536 (11 Speed - Aluminium): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB540 (11 Speed - Steel): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB538-QR (QR - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-10 (10mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-12 (12mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-X12 - (X12 - Aluminium): Hope mountain bike (MTB) cassettes only HUB545-QR (QR - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside QR cap) HUB545-12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside 12mm cap) HUB545-x12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside X12 cap)Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Hope Pro 4 Freehub AssemblyWith a 44 tooth engagement from its 4-pawl ratchet design, this genuine Hope replacement Pro 4 freehub gives you almost instant pedal response as take off. Making the most of every acceleration burst, it also spins on smooth rolling cartridge bearings. These stainless steel bearings are fully sealed for reliable and consistent performance in all conditions.Features: Genuine replacement part Compatible with Hope Pro 4 rear hubs only Designed, tested and manufactured by Hope in its Barnoldswick plant 4 pawl ratchet with 44 tooth engagement (8.2°) Sealed stainless steel cartridge bearings Please Note: The images for the HUB538 models should be used as a guide only. A black or silver colour may be sent Included: Freehub with sealed bearings and 4 pawls installed Weight: 82g (approx)Specifications: HUB537 (XX1/XD): For use with SRAM XD (11 Speed) Cassette only (*Excluding PG-1130 and PG-1230) HUB536 (11 Speed - Aluminium): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB540 (11 Speed - Steel): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB538-QR (QR - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-10 (10mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-12 (12mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-X12 - (X12 - Aluminium): Hope mountain bike (MTB) cassettes only HUB545-QR (QR - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside QR cap) HUB545-12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside 12mm cap) HUB545-x12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside X12 cap)Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Hope Pro 4 Freehub AssemblyWith a 44 tooth engagement from its 4-pawl ratchet design, this genuine Hope replacement Pro 4 freehub gives you almost instant pedal response as take off. Making the most of every acceleration burst, it also spins on smooth rolling cartridge bearings. These stainless steel bearings are fully sealed for reliable and consistent performance in all conditions.Features: Genuine replacement part Compatible with Hope Pro 4 rear hubs only Designed, tested and manufactured by Hope in its Barnoldswick plant 4 pawl ratchet with 44 tooth engagement (8.2°) Sealed stainless steel cartridge bearings Please Note: The images for the HUB538 models should be used as a guide only. A black or silver colour may be sent Included: Freehub with sealed bearings and 4 pawls installed Weight: 82g (approx)Specifications: HUB537 (XX1/XD): For use with SRAM XD (11 Speed) Cassette only (*Excluding PG-1130 and PG-1230) HUB536 (11 Speed - Aluminium): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB540 (11 Speed - Steel): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB538-QR (QR - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-10 (10mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-12 (12mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-X12 - (X12 - Aluminium): Hope mountain bike (MTB) cassettes only HUB545-QR (QR - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside QR cap) HUB545-12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside 12mm cap) HUB545-x12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside X12 cap)Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Hope Pro 4 Freehub AssemblyWith a 44 tooth engagement from its 4-pawl ratchet design, this genuine Hope replacement Pro 4 freehub gives you almost instant pedal response as take off. Making the most of every acceleration burst, it also spins on smooth rolling cartridge bearings. These stainless steel bearings are fully sealed for reliable and consistent performance in all conditions.Features: Genuine replacement part Compatible with Hope Pro 4 rear hubs only Designed, tested and manufactured by Hope in its Barnoldswick plant 4 pawl ratchet with 44 tooth engagement (8.2°) Sealed stainless steel cartridge bearings Please Note: The images for the HUB538 models should be used as a guide only. A black or silver colour may be sent Included: Freehub with sealed bearings and 4 pawls installed Weight: 82g (approx)Specifications: HUB537 (XX1/XD): For use with SRAM XD (11 Speed) Cassette only (*Excluding PG-1130 and PG-1230) HUB536 (11 Speed - Aluminium): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB540 (11 Speed - Steel): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB538-QR (QR - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-10 (10mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-12 (12mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-X12 - (X12 - Aluminium): Hope mountain bike (MTB) cassettes only HUB545-QR (QR - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside QR cap) HUB545-12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside 12mm cap) HUB545-x12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside X12 cap)Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Hope Pro 4 Freehub AssemblyWith a 44 tooth engagement from its 4-pawl ratchet design, this genuine Hope replacement Pro 4 freehub gives you almost instant pedal response as take off. Making the most of every acceleration burst, it also spins on smooth rolling cartridge bearings. These stainless steel bearings are fully sealed for reliable and consistent performance in all conditions.Features: Genuine replacement part Compatible with Hope Pro 4 rear hubs only Designed, tested and manufactured by Hope in its Barnoldswick plant 4 pawl ratchet with 44 tooth engagement (8.2°) Sealed stainless steel cartridge bearings Please Note: The images for the HUB538 models should be used as a guide only. A black or silver colour may be sent Included: Freehub with sealed bearings and 4 pawls installed Weight: 82g (approx)Specifications: HUB537 (XX1/XD): For use with SRAM XD (11 Speed) Cassette only (*Excluding PG-1130 and PG-1230) HUB536 (11 Speed - Aluminium): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB540 (11 Speed - Steel): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB538-QR (QR - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-10 (10mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-12 (12mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-X12 - (X12 - Aluminium): Hope mountain bike (MTB) cassettes only HUB545-QR (QR - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside QR cap) HUB545-12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside 12mm cap) HUB545-x12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside X12 cap)Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Hope Pro 4 Freehub AssemblyWith a 44 tooth engagement from its 4-pawl ratchet design, this genuine Hope replacement Pro 4 freehub gives you almost instant pedal response as take off. Making the most of every acceleration burst, it also spins on smooth rolling cartridge bearings. These stainless steel bearings are fully sealed for reliable and consistent performance in all conditions.Features: Genuine replacement part Compatible with Hope Pro 4 rear hubs only Designed, tested and manufactured by Hope in its Barnoldswick plant 4 pawl ratchet with 44 tooth engagement (8.2°) Sealed stainless steel cartridge bearings Please Note: The images for the HUB538 models should be used as a guide only. A black or silver colour may be sent Included: Freehub with sealed bearings and 4 pawls installed Weight: 82g (approx)Specifications: HUB537 (XX1/XD): For use with SRAM XD (11 Speed) Cassette only (*Excluding PG-1130 and PG-1230) HUB536 (11 Speed - Aluminium): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB540 (11 Speed - Steel): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB538-QR (QR - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-10 (10mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-12 (12mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-X12 - (X12 - Aluminium): Hope mountain bike (MTB) cassettes only HUB545-QR (QR - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside QR cap) HUB545-12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside 12mm cap) HUB545-x12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside X12 cap)Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Hope Pro 4 Freehub AssemblyWith a 44 tooth engagement from its 4-pawl ratchet design, this genuine Hope replacement Pro 4 freehub gives you almost instant pedal response as take off. Making the most of every acceleration burst, it also spins on smooth rolling cartridge bearings. These stainless steel bearings are fully sealed for reliable and consistent performance in all conditions.Features: Genuine replacement part Compatible with Hope Pro 4 rear hubs only Designed, tested and manufactured by Hope in its Barnoldswick plant 4 pawl ratchet with 44 tooth engagement (8.2°) Sealed stainless steel cartridge bearings Please Note: The images for the HUB538 models should be used as a guide only. A black or silver colour may be sent Included: Freehub with sealed bearings and 4 pawls installed Weight: 82g (approx)Specifications: HUB537 (XX1/XD): For use with SRAM XD (11 Speed) Cassette only (*Excluding PG-1130 and PG-1230) HUB536 (11 Speed - Aluminium): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB540 (11 Speed - Steel): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB538-QR (QR - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-10 (10mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-12 (12mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-X12 - (X12 - Aluminium): Hope mountain bike (MTB) cassettes only HUB545-QR (QR - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside QR cap) HUB545-12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside 12mm cap) HUB545-x12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside X12 cap)Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Hope Pro 4 Freehub AssemblyWith a 44 tooth engagement from its 4-pawl ratchet design, this genuine Hope replacement Pro 4 freehub gives you almost instant pedal response as take off. Making the most of every acceleration burst, it also spins on smooth rolling cartridge bearings. These stainless steel bearings are fully sealed for reliable and consistent performance in all conditions.Features: Genuine replacement part Compatible with Hope Pro 4 rear hubs only Designed, tested and manufactured by Hope in its Barnoldswick plant 4 pawl ratchet with 44 tooth engagement (8.2°) Sealed stainless steel cartridge bearings Please Note: The images for the HUB538 models should be used as a guide only. A black or silver colour may be sent Included: Freehub with sealed bearings and 4 pawls installed Weight: 82g (approx)Specifications: HUB537 (XX1/XD): For use with SRAM XD (11 Speed) Cassette only (*Excluding PG-1130 and PG-1230) HUB536 (11 Speed - Aluminium): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB540 (11 Speed - Steel): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB538-QR (QR - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-10 (10mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-12 (12mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-X12 - (X12 - Aluminium): Hope mountain bike (MTB) cassettes only HUB545-QR (QR - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside QR cap) HUB545-12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside 12mm cap) HUB545-x12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside X12 cap)Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Hope Pro 4 Freehub AssemblyWith a 44 tooth engagement from its 4-pawl ratchet design, this genuine Hope replacement Pro 4 freehub gives you almost instant pedal response as take off. Making the most of every acceleration burst, it also spins on smooth rolling cartridge bearings. These stainless steel bearings are fully sealed for reliable and consistent performance in all conditions.Features: Genuine replacement part Compatible with Hope Pro 4 rear hubs only Designed, tested and manufactured by Hope in its Barnoldswick plant 4 pawl ratchet with 44 tooth engagement (8.2°) Sealed stainless steel cartridge bearings Please Note: The images for the HUB538 models should be used as a guide only. A black or silver colour may be sent Included: Freehub with sealed bearings and 4 pawls installed Weight: 82g (approx)Specifications: HUB537 (XX1/XD): For use with SRAM XD (11 Speed) Cassette only (*Excluding PG-1130 and PG-1230) HUB536 (11 Speed - Aluminium): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB540 (11 Speed - Steel): For use with Shimano 9/10/11 speed or SRAM 9/10 speed Cassette (*Including PG-1130 and PG-1230) HUB538-QR (QR - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-10 (10mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-12 (12mm - Aluminium): Hope mountain bike (MTB) cassettes only HUB538-X12 - (X12 - Aluminium): Hope mountain bike (MTB) cassettes only HUB545-QR (QR - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside QR cap) HUB545-12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside 12mm cap) HUB545-x12 (12mm - Aluminium): For use with Shimano MicroSpline Cassette only (supplied with specific Driveside X12 cap)Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
The fast-engaging Hope Pro 4 Freehub body is available in two variants, constructed from Aluminium or Steel. The Aluminium option is considerably lighter but does not have the exceptional level of durability as the Steel version. Options Explained: HUB536 12 x 142mm: 9,10 and 11-Speed Shimano mountain bike (MTB) cassettes HUB540 12 x 142mm (Steel): 9,10 and 11-Speed Shimano mountain bike (MTB) cassettes HUB538-10 10mm: Hope mountain bike (MTB) cassettes only HUB538-12 12mm: Hope mountain bike (MTB) cassettes only HUB538-QR QR: Hope mountain bike (MTB) cassettes only HUB538-X12 X12: Hope mountain bike (MTB) cassettes only HUB537 XX1: SRAM XD 11 and 12-Speed cassettes HUB545-12 12mm: 12-Speed Shimano Microspline mountain bike (MTB) cassettes HUB545-QR QR: 12-Speed Shimano Microspline mountain bike (MTB) cassettes HUB545-X12 X12: SRAM XD 11 and 12-Speed cassettes