Surprise! SPD adapters on road shoes are NOT awesome... #newshoeday - YouTube
Shimano SM-SH40 Cleat Adapter for SPD Pedals Pedals - Accessories | Bike-Discount
Shimano SM-SH41 SPD Cleat Stabilizing Adapter
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
HOW TO USE SM-SH41 CLEAT ADAPTERS | RIDE SHIMANO – Ride Shimano
Shimano SM-SH85 Cleat Adapter for SPD-R Cleats - Gringineer Cycles
Shimano SPD ADAPTER, SM-SH40, W/O CLEAT, W/LONG CLEAT BOLTS, IND.PACK - Waterloo Bike Shop
SPD cleats adapter Shimano SM-SH74, cheap
How to use CD Cleats Adapter for the MTB Shoes to Use with Road Bike Cleats CD-SC-01 - YouTube