Genuine Shimano replacement gear sprocket that's compatible with Shimano Nexus and Alfine 3 to 11-speed gear hubs

 Shimano rear hub gear sprocket for use with city, touring and trekking bikes

Size: 23T 


OEM sourced shimano component without retail packaging

BLACK COATED FINISH OFFERS HARD WEARING RESISTANCE TO CORROSION

CAN BE USED WITH 3/32" OR 1/8" CHAINS

Supplied as pictured