Drum brake sprocket, 51t
MCS
#506417
8 products
Combined brake drum and chain sprocket assemblies from MCS and Samwel — a single component unique to vintage Harleys. Fitment runs across 1930–1978 Big Twin and XL Sportster applications. Restoration-grade parts that integrate rear drum brake and final drive sprocket the way the factory designed them. Essential when keeping a period-correct classic Harley on the road.
Or enter a custom range
Showing 1–8 of 8 BRAKE
Free UK Delivery
On orders over £100
14-Day Returns
Easy & hassle-free
Authorised Dealer
Iron City Motorcycles
Secure Payment
256-bit encryption
It looks like you're in Europe
Would you like to view prices in €?