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 Drive Side Compatibility Left Hand Drive, Right Hand Drive Color Rust Proof Black Crankset Style 3-Piece BB Style Mid Crank Length (mm) 165, 170, 175 BB Included No Crank Arm Material Steel Spindle Material Steel Defined Color Black Bore 22mm
