odyssey-thunderbolt-socket-drive-175mm-black
odyssey-thunderbolt-socket-drive-175mm-black, The Thunderbolt is one of the most technically advanced crank designs on the market. Due to continued advancements in Odyssey's 41-Thermal processing and heat-treatment system, fatigue life has been increased by a massive margin.22mm hollow spindle welded to drive side arm for increased strength and stiffnessUpdated open-ended spindle capNew wedge cluster band with greater flexibilityNever-Wobble crank arm and spindle interface guarantee41-Thermal lifetime replacement warranty against bending, cracking and breakingTraditional sprocket interfaceBottom bracket sold separately