Amazon.com: BESPORTBLE Bike Pedal Adapters Kids Balance Bike Foot Rest 4pcs Kids Balance Car Sliding Board Balance Scooter Pedal Foot Rest Stand Pedal Kids Balance Bike Stand Pedal Plastic Balance Car Foot
Amazon.com : BUCKLOS Bike Platform Pedal Converter for Shimano SPD-SL, Universal Clipless Pedal Adapter for Regular Shoes : Sports & Outdoors
Electric Bike/Scooter Foot Pedal Throttle Ebike Electric Tricycle Accelerator Pedal Speed Control Bicycle kit - AliExpress
Amazon.com: BESPORTBLE Bike Pedal Adapters Kids Balance Bike Foot Rest 4pcs Kids Balance Car Sliding Board Balance Scooter Pedal Foot Rest Stand Pedal Kids Balance Bike Stand Pedal Plastic Balance Car Foot
Cargo bike conversion kit: easily turn your bike into a tricycle
Plastic Adaptive Pedal – Bicycle Man LLC
Sun Bicycles Fw Sun Trike Replacement Adapter 15/35Mm W/2 Screws – 365 Cycles