SC-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.
Spindle Type: JIS
Spindle Material: Hollow Chromoly
Spindle Length: 113mm
Shell Width: 68mm
Thread: 1.37" x 24 TPI
