The Kult ISIS bottom bracket is a technological wonder. The bracket has a full Chromoly axle but weighs like a Titanium Bottom Bracket. The heat-treated hollow axle is very strong. The sealed bearings can be easily changed should they ever need servicing. 140 grams in 108-mm. Length. 108 mm. also available.
M-15 X 1 BOLTS REQUIRED.

Specifications