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.
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
- Never-Wobble crank arm and spindle interface guarantee
- BB sold separately
Specs
- Lengths: 165mm
- Drive Side: LHD
- Spindle: 22mm
- Weight: 1 lb. 11.8 oz. (788g)
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