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
Ritchey WCS Paradigm – Rock N' Road
RITCHEY Replacements Cleats WCS | Pro | Comp V4 for MTB Paradigm Peda, 15,50 €
pedals - Have Ritchey Logic cleats changed in 15 years? - Bicycles Stack Exchange
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Ritchey Mountain WCS Pedals Service Kit - Echelon Cycles | New York, NY | Bike Shop
Vintage 1990s Ritchey Red Aluminum/CrMo Clipless Mountain Bike Pedals 9/16" | SidelineSwap