CERAMICSPEED - BB30 Shimano Black Coated Bottom Bracket

A bottom bracket that offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Grade 3 Silicon Nitride balls Hardened races Reinforced polyamide cage and non-contact seals Hand built in Denmark DETAILS Model #: 30335 Model Name: BB30 Bottom Bracket BB Shell Width (mm): 68 BB/Frame Interface: BB30 Bottom Bracket Shell I.D.: 42 Defined Color: Black Spindle Interface Type: Shimano Hollowtech II Weight: 114 Code : 101352