Mtb Bike Clipless Pedals Platform Adapters Sm-pdss For Shimano Spd Pedal Cleat Flat M520 M540 M780 M980 - Bicycle Pedal - AliExpress
Shimano SPD SM-PD22 Pedal Adapters Cleat Flat Pair with Reflector M540 M780 M520 | eBay
Spd Shimano Sm-pd22 Pedal adapter : r/bikepacking
Universal Cycles -- Shimano SM-PD22 SPD Platform and Reflector Set [Y41R98070]
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