Ergon PT Pedals - Platform Composite 9/16" SmallErgon PT Pedals Small. The PT pedal is packed with many ergonomic highlights for the demanding Touring rider. The optimized bio mechanics prevents discomfort when pedaling reduces fatigue and provides long distance comfort even with everyday shoes. The comfort effect extends over the entire leg axis all the way to the back. Thanks to the ergonomic shape inner stop and grippy surface the feet naturally remain in an ideal position on the pedals.