The Profile Spline Drive Spider is CNC machined in the USA from aircraft grade aluminum and features a slight offset to help correct chain alignment when used with the Profile External Euro BB. Fits 19mm, 48 spline spindles only.
4-Bolt (104mm): 2.5 oz
5-Bolt (110mm): 2.9 oz
This product was added to our catalog on November 1, 2019