CeramicSpeed bottom bracket especially for Specialized bikes to fit standard 2 4mm axles. Fits frames with a 46 mm hole.
CeramicSpeed bearings are handmade in Denmark and installed in aluminium cups made by European Rotor Components. This system is super stiff and efficient.
CeramicSpeed BB’s offer extremely low friction and longer lifetime. The unique CeramicSpeed ceramic balls are of the highest achievable quality and out-perform everything else in the market.
For this product you need to use spacers which are included in the packaging. The spacers are of high quality and they are not soft or create any creaking sound.
Our BB bearings are used by professional teams like Astana Pro Team, Pro Team Tinkoff-Saxo, MTN-Qhubeka, CULT Energy Pro Cycling and professional MTB team Superior-Brentjen and Team Specialized Racing.