Rear Sprocket / Chainwheel Bolt Tab Lock Washer, for use on BSA models: C15 & B40.O.E.M: 40-6023Supplied: Set of 3.Rear Sprocket / Chainwheel Bolt Tab Lock Washer, 40-6023, H417CSKU: 40-6023£6.45PriceQuantity*Add to Cart