sqlab 502 active 20no 48220 8525 The wave like shape and raised 9010583288048 The wave like shape and raised rear section provides perfect rearward support and an optimal pressure distribution which reaches deep into the body structures resulting in improved power transmission Cork Stringers and Basalt Fibre are used instead of more traditional materials Four different axle lengths ensure a physiologically natural foot position on the pedal Knee friendly: the new active pedalFreedom starts at the foot: Previous studies have been able to prove that releasing the axial rotation by 10° on clipless pedals can reduce the potential of overuse injuries in the knees