Tel: 01872 222992 | shop@clivemitchellcycles.co.uk
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.
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Very light. Well engineered and robust. Much stiffer drive then pinch bolt cranks. Got these in 165 which suits my riding style and bike geometry (Sunday Street Sweeper).