CeramicSpeed BSA30 MTB Bottom Bracket - BSA Thread 30mm Spindle Coated Races BLK Maximum Tire Width-77 Uses an extremely elastic tread

Uses an extremely elastic tread base for very low rolling resistance and a stable center and extra shoulder grip for performance and cornering

}Robert Axle Project Kid Trailer 12mm Thru Axle Length: 209mm Thread: 1

Compatible with SRAM 11-speed chains

}Dimension Cassette - 9 Speed 11-28t Gray

}Ritchey WCS C220 Stem - 90mm 31

CeramicSpeed BSA30 MTB Bottom Bracket - BSA Thread 30mm Spindle Coated Races BLK Maximum Tire Width-77 Uses an extremely elastic treadCeramicSpeed BSA30 MTB Bottom Bracket BSA Thread 30mm Spindle Coated Races 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 Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 73 BB Shell Width (mm) 83 BB Shell Width (mm) 100 Weight 81 Spindle Interface