Much as they did with the X11 to optimize for 11-speed systems, the new KMC X12-1 chains get fine tuned for 12-speed drive trains. The X-Shift pattern involves much shaping, with chamfers, cuts, and slants all designed to make it run silent and shift fast across the entire cassette range. And up front, presumably important […]
The post TPE17: KMC goes to 12 speed with Gold Ti-Nitride chains appeared first on Bikerumor.
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