These BSA ENGLISH THREADED SHIMANO ROAD BOTTOM BRACKET CERAMITECH features alloy cups that are MilSpec MIL-A-8625 Type II anodized for extreme durability.
The BSA ENGLISH THREADED DUB ULTRA-LITE ROAD BOTTOM BRACKET CERAMITECH for road bikes delivers smooth, quiet, durable performance in an ultra-compact form factor that allows maximum clearance for power meter back plates.