Chain - X12 Series 126L Silver - Waxed

X Series - One chain for all. Choose the corresponding speed and KMC handles the rest. 100% Compatibility on all leading derailleur systems. Asymmetrical chamfering for outer plates ingeniously avoids interference between chain and cassette teeth to guarantee quiet and safe performance. Compatible with both single and multiple chainrings. Precision manufacturing techniques deliver phenomenal shifting performance and easier drivetrain adjustment and stability.