ActiveRide - Air only internals provide a fully rigid top-out position

Ergonomically designed to reduce stress on hands while providing better overall control with additional material being placed exactly where technical riders need it

Designed to fit a paper grocery bag

The Wanderlust rear mount rack features extra long struts for improved range of fit

Total capacity: 38T

SHIMANO BB-UN300 Bottom Bracket - 68 x 110mm - BSA - Square Taper pickuponly ActiveRide - Air only internalsSHIMANO Square Type Bottom Bracket MTB Standard Structure Square Type Bottom Bracket SHIMANO quality performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer 3 structures available Standard, E type, chain case options Adapter material: Aluminum