FSA BB-4000 Omega Drive MegaExo Bottom Bracket Speed_10 Speed Please note: These wheels are

Please note: These wheels are ex-demo and have been lightly ridden

Multi-bearing design uses two ball bearing units to provide a low-friction and reliable shifting action with a one piece lower alloy thumb release lever increasing durability and giving sharp precise shifts

Casing with ultrasonically welded seams making the system 100% waterproof

Closely spaced

guaranteeing precise and effective shifting in any riding conditions

FSA BB-4000 Omega Drive MegaExo Bottom Bracket Speed_10 Speed Please note: These wheels areFSA BB 4000 Omega Drive MegaExo Bottom Bracket The FSA BB 4000 Omega MegaExo Bottom Bracket is designed to fit FSAs MegaExo 19mm diameter chromoly spindle cranksets. The BB 4000 has forged and machined alloy external cups and oversized cartridge bearings for smooth and reliable running. The bearings themselves are made from chrome steel and the BB 4000 is only compatible with Omega 19mm spindle aluminium cranks. Oversized cartrdige bearings Forged