ROTOR T4729 Internal Steel Bearing Bottom Bracket - Black Lind shimano Silent drivetrain in all gear

Silent drivetrain in all gear positions

Adjustments to fine tune for riding preferences

Ultra·Drive™

Roller bearing clutch in the pulley cage pivot for better chain control

Side zippers for added ventilation and easy access to Escapism Bibs back pockets

ROTOR T4729 Internal Steel Bearing Bottom Bracket - Black Lind shimano Silent drivetrain in all gearThe Rotor T4729 bottom bracket is designed to improve the efficiency of the SRAM DUB crankset and eliminate excessive noise and creaking using high quality steel bearings. Specifications T47 internal steel bearing CNC machined aluminum body compatible with SRAM DUB cranks compatible with T47 85. 5 86. 5 89. 5 92 frames bottom bracket + 2x 0. 5mm 1x 1mm 6x 2. 5mm spacers Mfr Claimed Weight TBC