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Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 113mm Black
$29.99
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
- Chainline with a 113 BB spindle: 42.3
- Q-Factor with a 113 BB spindle: 151.1
- Spindle Interface Type: Square Taper JIS
- BB Shell Width: 68mm
- Bottom Bracket Shell I.D.: 1.37in
- Spindle Length: 113mm
- Color: Black
- BB/Frame Interface: English
- Weight: 253g