Parts › DID 1/2" X 5/16" (428) STANDARD DUTY CHAIN 128 PITCHES Image 1 of 2 Image 2 of 2 DID 1/2" X 5/16" (428) STANDARD DUTY CHAIN 128 PITCHES £25.00 DID 1/2" X 5/16" (428) Standard Duty Suited To Greeves as Better Clearance On Chaincase Quantity: Add To Cart Added! DID 1/2" X 5/16" (428) Standard Duty Suited To Greeves as Better Clearance On Chaincase