Omni Gear 5017X Weld‑On #50 Roller Chain Idler Sprocket, 17 Tooth, ½″ Bore (5017X) MSRP: $27.55 Was: Now: $15.36
Weasler Idler Sprocket, 17‑Tooth, #50 Chain, ½″ Bore, 1⁄4″ Keyway (09‑20501708) MSRP: Was: Now: $37.81
Omni Gear 5013W #50 Roller Chain Idler Sprocket, 13T & 5⁄8″ Bore (5013W) MSRP: $11.59 Was: Now: $6.46