Odyssey Thunderbolt Crankset - 170mm Left Hand Drive Rust Proof Black

The Thunderbolt+ is Odyssey's tried and true Thunderbolt cranks but now features updated graphics. 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.Proven 41-Thermal processed 4130 chromolyLaboratory tested and team provenTraditional sprocket interfaceUpdated open-ended spindle capNew wedge cluster band with greater flexibilityNever-Wobble crank arm and spindle interface guarantee