Promax SC-1 Square Taper Chromoly JIS Bottom Bracket - 108mm
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.
- Hollow chromoly spindle
- CNC-machined alloy cups
- JIS square taper
Specs:
- Spindle Interface Type: Square Taper JIS
- BB Shell Width (mm): 68
- Bottom Bracket Shell I.D.: 1.37
- Spindle Length: 108
- BB/Frame Interface: English
- Defined Color: Black
- Weight: 246