Shimano BB-RS501 Hollowtech II English Bottom Bracket Bells & Horns Shift ramp designs provide fast

Shift ramp designs provide fast and smooth shifts by HYPERGLIDE+ technology

Axle Material: Black chromoly steel

Shimano B05S Disc Brake Pads

RUN TIMES*Low - 8:00h at 150 LumensMed - 3:00h at 550 LumensHigh - 1:30h at 1100 LumensBoost - Up to 0:50min at 1500 LumensWalk Mode - 16:30h at 80 LumensSuper Flash - 14:00hPulse Flash - 15:45hFast Flash - 12:00h

2018 Women's Stumpjumper Comp Carbon 27

Shimano BB-RS501 Hollowtech II English Bottom Bracket Bells & Horns Shift ramp designs provide fastThe Shimano BB RS501 bottom bracket features an enhanced seal construction to provide long lasting performance and service life. Designed for a perfect fit with Hollowtech II 24mm crank spindles Anodized aluminum cups are high strength and light weight For use with English thread bottom bracket frames