Campagnolo super record 12 speed chaina faster shifting and lighter weight chain for a smooth and precise riding experience.high quality and smooth shiftingthe super record chain 12 sp from campagnolo has been completely redesigned from scratch to offer thrill seekers and cycling enthusiasts the highest quality, maximum performing chain possible'. '.strtoupper('t')he new design is ultra slim with a width of 5.15mm and highly robust for years of long lasting use out on the road'. '.strtoupper('t')he integrated ultra link system not only makes the chain secure and durable, it also provides an extremely smooth and accurate shifting experience.the campagnolo super record chain 12 sp is the perfect upgrade for keeping you at the top of your game, ride after ride.features width 5.15 mm faster shifting and lighter weight extremely high, long lasting performance pins aligned to the outer surface the chain is lighter and thinner, yet lasts just as long as the previous model'. '.strtoupper('o')ptimised design optimal working in harmony with the sprocket and chainring tooth designs'. '.strtoupper('u')ltra link system high level smoothness and reduced losses'. '.strtoupper('w')eight 0.22kg 100 linksbuy campagnolo components from chain reaction cycles, the world's largest online bike store.