PROMAX SC-1 Square Taper BB Set
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PROMAX SC-1 Square Taper BB Set 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 113-millimeter widths with black anodized cups.
Chainline with a 113 BB spindle: 42.3
Q-Factor with a 113 BB spindle: 151.1
WEIGHT: 253 grams
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