Funn’s X-type external bearing bottom bracket suitable for Funn, Raceface, Shimano Mountain Bike cranksets, making for an easy replacement .
Optimum balance of lightweight and rigidity.
Outboard bearings provide additional stability
Minimal bearing interface for smoother rolling
External Bearing BB
Chainline Spacers: x 3 supplied
BB Shell Width: 83mm
Weight: 102g without spacers.