KMC X12 12V chain 126 links 2026

The KMC X-Series was developed with the specific characteristics of the Shimano, SRAM and Campagnolo systems in mind. Thanks to precisely chamfered plates, the X-Bridge technology enables perfect shifting and smooth propulsion in all riding situations. The X- Series enjoys the trust of many top athletes in professional cycling.

Tech Specs

• Size: 1/2" X 11/128"
• Pin length: 5.2 mm
• Producer's weight per 110 links: 268 g
• Length: 126 links
• Compatible with all 12-speed derailleur systems (except SRAM systems with flattop chains)
• Includes a MissingLink
• Perfect shifting thanks to Double X-Bridge
• Durability: 3/5