Amazon.com: Thinvik Road Bike Clipless Pedal Convert to Flat Pedals,Universal Platform Pedal Adapters for Shimano SPD-SL System Pedal(Only Work on Shimano Road Bike Pedals) : Everything Else
Ciclista-America.com: SPD Adaptor Plates Genius/Original Millennium
For Shimano | SPD and SPD-SL – Pocket Pedals
Shimano SPD Cleat Adapter, Black | Bikeinn
Road Bike Plates Cleat Stabilizing Adapter For-Shimano SPD H51/SH56 Non-Slip | eBay
Amazon.com : BUCKLOS Bike Platform Pedal Converter for Shimano SPD-SL, Universal Clipless Pedal Adapter for Regular Shoes : Sports & Outdoors
Shimano SPD ADAPTER, SM-SH40, W/O CLEAT, W/LONG CLEAT BOLTS, IND - Mad Dog Cycles | Orem, UT
Amazon.com : PP Pedal Plate | SPDX | Adapter Compatible with Shimano SPD and Look X-Track Clipless MTB Pedals | Converts Clipless into Flat Pedals | No Cleats Needed | Adding Grip