Pro 4 Rear - 12x148mm (Boost)
- 4 Pawl Ratchet with 44 tooth engagement (8.2 deg)
- Sealed Stainless Steel cartridge bearings
- Machined from forged 2014 T6 aluminium billet
- Standard 6 bolt disc fitting
- Larger spoke flange to enable stiffer wheel builds
- Unsurpassed reliability
- Designed specifically to suit a frame with a Boost 12x148 MM rear end
- Available in 28, 32 and 36 hole drillings
- Weight: 311g for 36 hole version with a Shimano 11spd alloy freehub body.
- Hub flanges move outboard 3mm compared to standard Pro 4 rear hub to increase complete wheel stiffness
- 10, 11 and 12 speed compatible
- Supplied with freehubs to suit 10/11 Shimano, 12 sp Microspline, or SRAM HD
- Freehub Options - Standard Shimano, SRAM XD, Shimano Microspline
- Available in six colors
- **Note - 148mm hub uses a different wider hub shell and axle compared to standard 135mm Pro 4 rear hub