Sugino 68x103mm English Square Taper Cartridge Bottom Bracket ModelNumber=4304 Damping features include: high speed

Damping features include: high speed compression low speed compression and low speed rebound

Made from the same 7000 series alloy as Thomson seatposts and stems

File pattern center tread

Model 12sB Speed 12 Links 126 Color Black/Gold Package Each

Sugino 68x103mm English Square Taper Cartridge Bottom Bracket ModelNumber=4304 Damping features include: high speedSugino square taper BB3. Designed by Sugino for use with RD48 cranksets. Shimano compatible spindle uses UN74 tool for installation Cartridge BB set with tapered spindle Designed by Sugino for use with RD2 cranksets Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Weight 282 Spindle Interface Type Square Taper JIS Spindle Length 103 Defined Color Black