Promax SC-1 Square Taper Chromoly JIS Bottom Bracket - 108mm

Product Code: CR3555

Availability:In stock

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


  • 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