Race Face Trace Rear Hub 12x148 Boost MS 32h Black Shell-BSA It reduces friction on moving

It reduces friction on moving components while protecting them from contaminants

+5/-10°C (41/14°F)

Aero cross section

They are machined here in Minnesota with aircraft grade aluminum

Great for mountain biking

Race Face Trace Rear Hub 12x148 Boost MS 32h Black Shell-BSA It reduces friction on movingTough on trail and light on price, rated for everything from XC to Enduro and E Bike Steel axles, cartridge bearings, robust alloy hub shell, and steel cassette body 10 degree pawl engagement International Standard 6 bolt disc mount *Shimano SRAM 8 10sp freehub is Shimano 11sp Mountain cassette compatible TECH SPECS front rear rear (Micro Spline) axle spacing (mm) 12x148 Boost hole 32h color black weight