NEW Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black type_lights-reflectors Integrated strap location on frame

Integrated strap location on frame for tube or tool kit

For use with clamp-on front derailleurs

remaining fully active under braking while supportive throughout its travel

completely re-engineered for 1x systems and the innovative X-Sync 2 chainrings

NEW Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black type_lights-reflectors Integrated strap location on frameSC 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 Defined Color: Black Bottom Bracket Shell I. D.: 1. 37 Spindle Length: 108 Spindle Interface