KMC X10-L Gold 10 Speed Chain: Having already made the worlds lightest 10sp chain (X-SL series), KMC decided to produce a new cheaper L version. Sharing a lot of the SL technology, the L offers both performance & budget. Symbolic for Speed: Having already made the worlds lightest 10speed chain (X-SL series), KMC decided to produce a new cheaper L version. Sharing a lot of the SL technology, the L is a perfect marriage of performance & budget. Made for any 9 or 10 speed systems in either Silver or Gold finish. Shimano or Campagnolo compatible Race proven, both on the road (TEAM ASTANA WURTH ) & Off Road (K2, Rothaus Cube, Trek USA MTB-team Benelux) we are pretty confident that our X-series can even satisfy the most critical rider. Our double X-bridge outer plate ensures maximum shifting performance, while our X-SP treatment in combination with precision tolerances prolongs the chains life to the maximum. Titanium Nitride Coating: Introducing our latest coating technology on X10SL Gold, X9SL Gold, X10-L Gold & X9-L Gold Titanium Nitride coating in gold colour