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Item # KMC0007

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Item # KMC0007


Though often overlooked as a contributor to your bike's ride quality, the bicycle chain is a beautifully efficient structure. While it's true that chains have maintained the same basic design and functionality for nearly a century, there's an immediately noticeable on-the-bike difference between a cheap chain and a well-developed one. Taking chain design into the future, KMC's X10SL demonstrates that chains have still been the subject of major innovation and advanced manufacturing technology.

To aid in mud-shedding and to keep weight down, the X10SL uses hollow inner and outer plates between the chain pins. Both plates also incorporate chamfering for rotational and shifting smoothness, and the outer plates feature the model's namesake "X" engraving for quick shifting. At 252 grams for 116 links, the X10SL is also among the lightest chains on the market.

The KMC X10SL Chain comes with 116 links, is compatible with Shimano, SRAM, and Campagnolo 10-speed drivetrains, and comes in Silver and Gold finishes. The gold finish is achieved with a titanium nitride coating that further reduces friction and also helps the chain retain lubrication longer without affecting weight.

Tech Specs

KMC Missing Link
Compatible Components:
Shimano, SRAM, and Campagnolo 10-speed drivetrains
Claimed Weight:
252 g
Recommended Use:
road, mountain

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Avg. ride time: 47m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.


  • Familiarity: I've put it through the wringer

I've had a few of these now. They last a long time, shift smoothly, and look great (although the gold becomes a little dull towards the end of their life). The quick link is great too. Makes cleaning and maintenance a breeze. I've broken Sram and Shimano chains but I haven't had a KMC break yet.

broke link one season 140 lbs

  • Familiarity: I've put it through the wringer

worked good untill it broke. first chain i have broken in 20 years. btw I went to return this but backcoutry no longer has 100% guaranteed policy, so no return, worse policy is retroactively canceled now im 100% not satisfied.

It's a chain bro'. They break occasionally.

I weigh 145. I broke two chains last year, one SRAM, one KMC. Nothing wrong with the chains I could see-- they just break sometimes (usually when I do something stupid like shifting under load in hurry!) Get used to it as the other Scott suggests...