its a major problem solver
it is also the most expensive of the 440 series alloys and requires special heat treatment and cryogenic treatment to achieve its superior mechanical properties
29 and 30mm inner guide inserts or a universal insert
we are able to maximize contact area by doubling the number of balls per side to provide a long lasting solution in a tight space
BKC-0722 - T47-Internal, Threaded, Ceramic Hybrid, XD15 Corsa, 45 degree Angular Contact, Bearing Bottom Bracket for T47 Framesets and 30mm Cranksets - Blue its a major problem solverBKC 0722 T47 Internal, Threaded, Ceramic Hybrid, XD15 Corsa, 45 Angular Contact, Bearing Bottom Bracket for T47 Framesets and 30mm Cranksets Enduro's top of the line BB solution, we press XD15 45 Angular Contact bearings into precision machined aluminum T47 cups that simply thread directly into the BB shell. Enduro XD15 bottom brackets and bearings are manufactured to the highest standards at the Enduro Bearings production facility in California, USA.