The Thunderbolt are Odyssey's tried and true Thunderbolt cranks, along with new branding.
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.
Crankset don't delivery with bearings !
Laboratory tested and team proven
Updated open-ended spindle cap
Wedge cluster band with greater flexibility
Never-Wobble™ crank arm and spindle interface guarantee
41-Thermal® lifetime replacement warranty against bending, cracking and breaking