Chainrings

Genuine Shimano Deore XT SM-CRM85 28-tooth direct-mount chainring for compatible M8100-series 1x12 mountain-bike cranksets. Shimano DYNAMIC CHAIN ENGAGEMENT+ tooth profiling helps retain the chain and supports smooth pedalling with a compatible Shimano 12-speed HG+ chain.Brand: Shimano Deore ..

Genuine Shimano 30-tooth middle chainring for the FC-M4000 Alivio 9-speed triple chainset. Replace a worn or damaged original ring while retaining the correct tooth count and fit.Brand: Shimano 30 teeth; middle chainring position For FC-M4000 Alivio 9-speed triple chainsets Manufacturer..