The Thunderbolt is one of the most technically advanced crank designs on the market. Due to continued advancements in our legendary 41-Thermal® processing and heat-treatment system, fatigue life has been increased by a massive margin.
NOTE: In order to help lower MSRP, Thunderbolt Cranks no longer includes a bottom bracket, unless found in shops labeled as Thunderbolt+.
Lengths: 160mm, 165mm, 170mm, and 175mm
Drive Side: RHD or LHD
Spindle: 22mm
Sprocket Interface: Press-fit
(Must use sprockets with 15/16" hole)
Weight: 1 lb. 11.8 oz. (788g)
