Pro-X 520 Heavy Duty Gold X-Ring Drive Chain

PRO-X HEAVY DUTY 520 GOLD X-RING CHAIN

• ProX lightweight, narrow type X-Ring chain using a QX-type seal offering 40% less friction and at least 150% increased durability over a standard MX Chain
• Pro-X drive chains are a top quality chain, exclusively manufactured for ProX by the reputable and leading O.E.M. factory in Japan
• All ProX chains are made using highest grade Japanese steel
• All ProX chains are pre-stressed and pre-stretched to reduce initial chain stretch and immediate performance
• Come with a clip type chain link as standard