Bicycle Pedal Extenders for 9/16 Inch Cranksets (21mm Spacers) Bike;

This listing includes one set (right and left) of bicycle pedal extenders that can be used with your bike pedals to extend the position of the pedals outward by 21mm (0.825"). For those bike riders with a naturally wide stance this product is essential to prevent knee strain and rubbing against the rear tire/frame. The set includes a right and left handed set of pedal extenders that can only be used on cranks with 9/16" thread (most common). All pedal extender sets are made from hardened billet chrome-moly steel and coated with black oxide coating for protection. Right and Left extenders are easily identifiable with "R" and "L" markings. Remember: Right extenders must be tightened clockwise and left extenders must be tightened counter-clockwise.