Bottom bracket Rotor BB4224 BB

This BB allows you to convert your BB30 frame to use conventional 24mm cranks. Available in road or MTB, steel and ceramic versions. A clever internal threaded sleeve lets you clamp both halves to the frame. High-quality Enduro ceramic bearings
New non-contact Laberynth seals offer smooth rotation and unsurpassed protection against dust, water and mud.
Features:

Road and MTB versions
Weight 65gms
Ceramic road version.