MSC Ceramic External Bottom Bracket - MTB Shimano Hollowtech II standard singlespeed The flanges have been specially

The flanges have been specially heat treated to cope with the higher tensions of radially laced spokes

If the appeal of dropping minutes of your course times appeals to you look closer at the BOYD 90c

It features the same profiled teeth

Alu 7075T6 replaceable pins in red ano

which are cross drilled and offer better performance over the previous generations of Avid rotors

MSC Ceramic External Bottom Bracket - MTB Shimano Hollowtech II standard singlespeed The flanges have been speciallyCeramic Performance A lightweight version of the hollowtech bottom bracket now with high performance ceramic bearings. Ultra smooth rolling bottom bracket with double sealed ceramic bearings that can be easily serviced on the bike so you get longer running performance and really smooth spinning cranks. CNC Aluminium body with a hard anodised finish. Fits BSA threaded frames Will suit Shimano and FSA cranks that use the Hollowtech II standard Includes