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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. With a JIS square taper, they are available in 108- and 113-millimeter widths with black anodized cups. Chainline with a 113 BB spindle: 42.3 Q-Factor with a 113 BB spindle: 151.1 108mm-PX-BB13CM108: 246 grams/8.67 ounces 113mm-PX-BB13CM113: 253 grams/8.92 ounces
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🇺🇸 Ship from USA · On Agora since 2025
$39.99