51 Tooth Rear Chain Sprocket For Drum Brake. Fits Big Twin 1930-1957 & Sportster 1954-1978

Features & Benefits:-

* Quality replacement sprocket for early XL and Big Twin models. The Rear Sprockets for Drum Brakes are made from hardened steel and is a 51 tooth sprocket.

* Includes Rivets

* Replaces OEM # 41470-30 & 41470-70