Full Speed Ahead BB-6000 MegaExo Cartridge Sealed Bottom Bracket English Model=BB30 Thread Together Bottom Bracket 5 recessed slots create channels

5 recessed slots create channels to allow water mud and other debris trapped between the pad and rotor to escape during braking

Whether you mount them on your Cyclcross bike your gravel racer or for your next bikepacking trip the RR 481 won't let you down

Diameter 20in Brand Sun Ringle Model Envy FT ISO 406 ID Width 21

7000 series aluminum provides strength and durability

Full Speed Ahead BB-6000 MegaExo Cartridge Sealed Bottom Bracket English Model=BB30 Thread Together Bottom Bracket 5 recessed slots create channelsFull Speed Ahead BB 6000 MegaExo Cartridge Sealed Bottom Bracket English. FSA MegaExo Bottom Brackets TECH SPECS Defined Color Gold Bottom Bracket Shell I. D. 1. 37 Spindle Interface Type FSA MegaExo Weight 100 BB Shell Width (mm) 68 BB Shell Width (mm) 73 BB Frame Interface English