ROTOR T4730 External Bottom Bracket - Black WORKSHOP While the close-ratio XG-1391 cassette

While the close-ratio XG-1391 cassette ensures efficient propulsion in every situation

Heat Mouldable: Yes

this jersey is the ideal layer for winter cycling

Design: right side (only)

the Cosmic S 42 Disc is the result of Mavic’s extensive experience in manufacturing high-quality wheels

ROTOR T4730 External Bottom Bracket - Black WORKSHOP While the close-ratio XG-1391 cassetteThe Rotor T47 bottom bracket is made of CNC machined aluminum 7075 and features steel bearings as well as silicone seals. The T4730 model fits Rotor cranksets with 30 mm axle. In the External version, the bottom bracket is compatible with 68 mm road and 73 mm MTB frames.