KMC X12 12 Speed Chain - Gold bikebox Clamp Diameter: 35mm

Clamp Diameter: 35mm

reliable shifting that has made Ultegra the benchmark for serious road cyclists

Optimized Tire Sizes: 33-45c

Includes unique UV detection system that highlights any punctures

KMC X12 12 Speed Chain - Gold bikebox Clamp Diameter: 35mmKMCs latest breakthrough in chain technology. Our new 12 speed compatible chain out performs the competition in every aspect! One Chain for All 100% compatibility on all leading derailleur systems. Asymmetrical chamfering avoids interference. Impeccable precision. Phenomenal shifting performance. Compatible with SRAM & Shimano 12 Speed Eagle MTB or Campagnolo Road 12 Speed Drivetrains Specifications 1 2" x 11 128" 126 Links Titanium Nitride Gold