The Thunderbolt is one of the most technically advanced crank designs on the market. Due to continued advancements in the 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
RHD or LHD
165mm, 170mm and 175mm lengths
22mm Spindle
1 lb. 11.8 oz. (788g)
US Pat. Nos. 7,267,030
Smaller items will be shipped Royal Mail Tracked Shipped same day if before 3.:00PM and in Stock
Larger Items will be sent DPD for Next day if ordered before 2:00 PM and are fully in stock at time.
