The Profile Spline Drive Spider mounts directly
to the splines on the Profile BB spindle, and thus eliminates the need
for a bolt on the crank arm. Aluminum Spider with a Heat-Treated CrMo
insert for strength. This Spline Drive Spider will give the best
chainline when paired with Profile's Internal Bearing Bottom Bracket.
- Available in 144 and 130 bolt patterns
- Works best with Internal Bearing BB and 5.25" BB spindle
