Old Ritchey Clipless MTB pedals. Have no clue about them. Any way to give them a service and test them if they work? I don't have MTB shoes but I'm thinking of
Comprar Ritchey Pro Paradigm V5 Pedal | Bicimarket.com
Ritchey Pedal WCS MTN trail black
Ritchey Clipless Mountain Bike Pedals 9/16 1990s | eBay