The Thunderbolt+ is our tried and true Thunderbolt cranks, but now it includes a Mid BB and updated graphics! 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. Available in Rust Proof Black and Chrome. Features: - Proven 41-Thermal® processed 4130 chromoly - Legendary lifetime replacement warranty - Laboratory tested and team proven - Traditional sprocket interface - Updated open-ended spindle cap - New wedge cluster band with greater flexibility - Neveedr-Wobble™ crank arm and spindle interface guarantee Specs: - Lengths: 165mm, 170mm, and 175mm - Drive Side: RHD or LHD - Spindle: 22mm - Weight: 1 lb. 11.8 oz. (788g)
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