PROMAX SC-1 Square Taper Euro 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 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

 

WEIGHT: 253 grams