2Pcs Bicycle Pedal Adapter Platform Cycling Aluminum Alloy Clipless for SPD | eBay
Crankwork adapters convert your clipless pedal to flat platform with traction pins - Bikerumor
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 and Comfort :
1Pair Bicycle Pedal Flat Platform Adapter Conversion Universal for Shimano SPD | eBay
Amazon.com : Thinvik Clipless Pedal Adapter for Shimano SPD Pedal - Clip Pedal Convert to Universal Platform Pedal - (Only Work on MTB Bike Pedal : Sports & Outdoors