The ODYSSEY Thunderbolt is the new and improved descendent of the Twombolt.
It is still 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.
Axle Diameter : 22 mm
Colour : Black
Crankarm Length : 175 mm