Specs
Lengths: 165mm, 170mm, and 175mm
Drive Side: RHD or LHD
Spindle: 22mm
Weight: 1 lb. 11.8 oz. (788g)
US Pat. No. 7,267,030
Installation Instructions »
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The Thunderbolt is the new and improved descendant of the Twombolt. It is still 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
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The Thunderbolt is the new and improved descendant of the Twombolt. It is still 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.
Lengths: 165mm, 170mm, and 175mm
Drive Side: RHD or LHD
Spindle: 22mm
Weight: 1 lb. 11.8 oz. (788g)
US Pat. No. 7,267,030
Installation Instructions »
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Absolutely no complaints!
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