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

Specs: 

• Lengths:175mm
• Drive Side: RHD
• Spindle: 22mm
• Weight: 1 lb. 11.8 oz. (788g)