Shimano CN910 12 Speed Chain Quick LinkThis top-quality chain link is ready for fast off-road pursuits as it offers amazing strength as you blast across the mountain. It features Shimano's stunning Sil-tec surface treatment which provides ultra-low friction and superior longevity in all-weather conditions. Designed to be quick and easy to install, this is a perfect choice of upgrade for riders who want a tough component when dominating on some of the most daring downhill runs and aggressive trails. Features:Use: MTBSpeed: 12 speedType: Non-reusableCompatible Chain: Shimano Hyperglide+Technologies:Sil-Tec: SHIMANO's ultra-low friction surface treatment. Superior to simple coating, SIL-TEC is an advanced plating process that improves system performance through the use of imbedded fluorine particles. SIL-TEC products run smoother and wear longer in all conditions.Hyperglide+: mproved chain retention encourages more aggressive all-terrain riding and relieves chain-issue anxiety. Smoother drivetrain transmission and enhanced shifting performance sharpens riders' concentration and improves acceleration. Better chain engagement cuts abrasion, reduces maintenance, and lengthens the lifespan of the chain.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.