CeramicSpeed BSA29 MTB Bottom Bracket - BSA English Thread SRAM DUB MTB BLK MFPN=31055427033 Prevents non-uniform wear

Prevents non-uniform wear

Resin with Metal Fibers pads are compatible with Resin-Only type rotors as well as standard rotors

The left pedal is indicated by a small grooved line around the threads of the spindle

Prevents missed front shifts and frame damage from a dropped chain

}DT Swiss 18307 Bearing

CeramicSpeed BSA29 MTB Bottom Bracket - BSA English Thread SRAM DUB MTB BLK MFPN=31055427033 Prevents non-uniform wearCeramicSpeed BSA29 MTB Bottom Bracket BSA (English Thread) SRAM DUB MTB Black. The CeramicSpeed BSA (English) bottom bracket offers bearings with extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings. TECH SPECS Defined Color Black Bottom Bracket Shell I. D. 1. 37 Spindle Interface Type SRAM DUB Weight 114 BB Shell Width (mm) 73 BB Frame Interface English