KMC X12 12 Speed Chain - Black GiantJuneSale brake ring dimensions are optimized

brake ring dimensions are optimized for race pads

Flattened top section with 3° backsweep for comfort

The entry and the release are secure and work well

Bearings: Enduro ABEC-3Bottom Bracket/Frame Interface: BB86

High quality pump for RockShox Boxxer air forks

KMC X12 12 Speed Chain - Black GiantJuneSale brake ring dimensions are optimizedKMCs 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 Silver 12 Speed Hi