KMC TT12 12V chain 126 links 2026

The KMC TT12 is a 12-speed bike chain designed to maximize speed, smoothness, and precision—ideal for road bikes, time trial/triathlon bikes, or performance use.

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)
• Perfect shifting thanks to Double X-Bridge
• Includes a MissingLink
• Durability: 4/5