The Pro 4 Rear hubs use a new 44 tooth ratchet mechanism. The flange diameter is increased, adding important stiffness to wheel builds. The machined hub shells are. Available with regular or Boost (148mm) widths. The 17mm axle runs on five cartridge bearings. Pro 4 hubs are 6 bolt disc compatible and available with 28,32 or 36 holes. Choose from six anodized colours. Rear hubs with Shimano compatible freehubs features a larger bearing, will be supplied ready to take 11sp cassettes. Pro 4 Rear hubs are available with the following axle conversions – QR, 10mm, 12mm and 142mm and with following freehubs –Shimano 8, 9, 10 and 11 speed, Campagnolo, Sram XD, Steel, and Hope versions. All these conversions and freehubs can be swapped without the need for complicated tools.
The Pro 4 Rear hubs use a new 44 tooth ratchet mechanism. The flange diameter is increased, adding important stiffness to wheel builds. The machined hub shells are. Available with regular or Boost (148mm) widths. The 17mm axle runs on five cartridge bearings. Pro 4 hubs are 6 bolt disc compatible and available with 28,32 or 36 holes. Choose from six anodized colours. Rear hubs with Shimano compatible freehubs features a larger bearing, will be supplied ready to take 11sp cassettes. Pro 4 Rear hubs are available with the following axle conversions – QR, 10mm, 12mm and 142mm and with following freehubs –Shimano 8, 9, 10 and 11 speed, Campagnolo, Sram XD, Steel, and Hope versions. All these conversions and freehubs can be swapped without the need for complicated tools.
The Pro 4 Rear hubs use a new 44 tooth ratchet mechanism. The flange diameter is increased, adding important stiffness to wheel builds. The machined hub shells are. Available with regular or Boost (148mm) widths. The 17mm axle runs on five cartridge bearings. Pro 4 hubs are 6 bolt disc compatible and available with 28,32 or 36 holes. Choose from six anodized colours. Rear hubs with Shimano compatible freehubs features a larger bearing, will be supplied ready to take 11sp cassettes. Pro 4 Rear hubs are available with the following axle conversions – QR, 10mm, 12mm and 142mm and with following freehubs –Shimano 8, 9, 10 and 11 speed, Campagnolo, Sram XD, Steel, and Hope versions. All these conversions and freehubs can be swapped without the need for complicated tools.
The Pro 4 Rear hubs use a new 44 tooth ratchet mechanism. The flange diameter is increased, adding important stiffness to wheel builds. The machined hub shells are. Available with regular or Boost (148mm) widths. The 17mm axle runs on five cartridge bearings. Pro 4 hubs are 6 bolt disc compatible and available with 28,32 or 36 holes. Choose from six anodized colours. Rear hubs with Shimano compatible freehubs features a larger bearing, will be supplied ready to take 11sp cassettes. Pro 4 Rear hubs are available with the following axle conversions – QR, 10mm, 12mm and 142mm and with following freehubs –Shimano 8, 9, 10 and 11 speed, Campagnolo, Sram XD, Steel, and Hope versions. All these conversions and freehubs can be swapped without the need for complicated tools.
Last updated at 03/21/2026 05:59:29
Hope Pro 4 Boost 148mm rear hub
14-day returns
Hope Pro 4 32H 148mm - 12mm Rear Hub in Red
Delivery between 27 Mar – 2 Apr $28.39
Hope Pro 4 Boost 32H Rear Hub 148x12mm Red (SRAM XD)
Free delivery between Tue – Fri
Hope Pro 4 Boost 148mm rear hub 32 Hole / SRAM XD / Red
Free delivery
| Option | SRAM XD Freehub, Shimano Freehub |
| Select Colour | Black |
Hope Pro 4 Boost 148mm rear hub
14-day returns
Hope Pro 4 32H 148mm - 12mm Rear Hub in Red
Delivery between 27 Mar – 2 Apr $28.39
Hope Pro 4 Boost 32H Rear Hub 148x12mm Red (SRAM XD)
Free delivery between Tue – Fri
Hope Pro 4 Boost 148mm rear hub 32 Hole / SRAM XD / Red
Free delivery
| Option | SRAM XD Freehub, Shimano Freehub |
| Select Colour | Black |
