Xpedo XPR Adapter Cleat Set 3-hole mounting to 2-hole SPD style cleats – Ride Bicycles
Mid-Foot Cycling PatroCleats Cleat Adapters Review: Long Term Test - Road Bike Rider Cycling Site
Shimano SM-SH41 SPD Cleat Adapters Black Pair NIB 4524667769835 | eBay
Shimano SM-SH41 SPD Cleat Adapter ESMSH41 NIB 4524667769835 | eBay
Found: PatroCleats Adapters let you try Mid-Foot cleat position without new shoes - Bikerumor
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