Odyssey Thunderbolt Crankset - 165mm Right Hand Drive Rust Proof BlackOdyssey Thunderbolt Crankset 165mm Right Hand Drive Rust Proof Black. The Thunderbolt+ is Odysseys 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 Odysseys 41 Thermal processing and heat treatment system fatigue life has been increased by a massive margin. Proven 41 Thermal processed 4130 chromoly Laboratory