Bontrager Road Shoe SPD Pedal Adapter - Bicycle Way of Life | Eugene, OR
Cleat Covers - Shimano SPD Cleat ADAPTER, SM-SH40, W/O CLEAT, W/LONG CLEAT BOLTS, IND - Urban AdvenTours
Amazon.com : CyclingDeal Bicycle Shoes Cleats Adapters - for MTB Shoes to Use with Cleats of Road Bike Pedals - Compatible with Shimano SPD-SL, Look KEO & Look Delta - Converting Adapters