Coombe Pedal Systems are high performance clipless bicycle pedals, manufactured by W Coombe Engineering Ltd in Boulder, Colorado, USA. The original "Coombe Pro" pedal system, released in 1999, featured a unique, twist-in to engage, retention mechanism, and a compact, triple row bearing design, both of which were patented by William Coombe in Boulder, Colorado in May 2001, under US Patents #6234046 and #6227071.