PROMAX - ST-1 Square Taper BB Set
Each ST-1 bottom bracket is hand assembled using a steel spindle, sealed bearings, forged and CNC-machined alloy cups and a composite center spacer/seal.
The spindles have a JIS taper and are 113 millimeters wide.
WEIGHT: 276 grams
$65.00
Or 6 weekly payments of $10.83 with