Thunderbolt + Crank

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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 ma rket. 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 chromoly Laboratory tested and team proven Traditional sprocket interface Updated open-ended spindle cap New wedge cluster band with greater flexibility Never-Wobble crank arm and spindle interface guarantee Show more