Promax SC-1 Square Taper Chromo JIS Bottom Bracket 113mm Black Bottom Brackets FK6149 140821-04-29

FK6149 140821-04-29

5mm wide T47 shells

151616-Q0-L

significantly reducing abrasive wear and eliminating corrosion

5 WIRE/UCP

Promax SC-1 Square Taper Chromo JIS Bottom Bracket 113mm Black Bottom Brackets FK6149 140821-04-29SC 1 bottom brackets are the perfect choice for those who still prefer the low weight and simplicity of square taper cranks. Each bottom bracket is hand assembled using a hollow chromoly spindle, precision sealed bearings, forged and CNC machined alloy cups and a composite center spacer seal. Hollow chromoly spindle CNC machined alloy cups JIS square taper Product Specifics Bottom Bracket Shell I. D.: 1. 37 BB Frame Interface: English BB Shell Width