Promax Bottom Brackets & Parts|SC-1 Square Taper JIS Chromoly Bottom Bracket (Black) (BSA) (108mm)

Promax 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.

Features:

• Hollow chromoly spindle
• CNC-machined alloy cups
• JIS square taper

Specifications:
Frame Interface: BSA/English Threaded
Spindle Interface: Square Taper JIS
Bottom Bracket Shell ID: 1.37
Shell Width: 68mm
Spindle Lengths: 108mm or 113mm
Color:Black
Weight: 246g (108mm)