They work very nicely and give us the versatility we need for the stoker position on our tandem. I installed Power Grips on the stoker pedals, because I have 3 different stokers--8yr old daughter, 12 year old daughter, and my wife. Imagine the cost of all those clipless shoes and cleats?! The PowerGrips are easily adjustable for each of the stokers and easy for them to use. They are also very durable...I've had them on the tandem for three years and they are still in excellent shape.