Upgrade your BB30 bearings with ultra smooth ceramic bearings designed and manufactured by CyclingCeramic. Lighter and smoother than other ceramic bearings !
Cyclingceramic bearings are used in 2015 by Orica GreenEdge and IAM cycling.
Warning: Last items in stock!
|Weight (pair, Medium)||47g|
-External diameter: 42mm
-Internal diameter: 30mm