The Kmc X-Series Has Been Designed With The Specific Characteristics Of The Shimano, Sram, And Campagnolo Systems In Mind And Will Meet The Most Demanding Requirements. Elaborately Designed And Manufactured, The X-Bridge Technology, Thanks To Precisely Chamfered Plates, Allows A Smooth Propulsion And Perfect Gear Changes In All Driving Situations.FeaturesDouble X-Bridge: - With Double X Bridge Construction, Our Chains Increase Shifitng Precision And Shifting Speed. Smooth, Fast, And Accurate.Inner & Outer Chamfering: - Ramps Specifically Engineered To Engage With Your Chain Rings And Cassettes Quickly And Provide Smooth Shifting.Hollow Pin: - Shave Grams In Every Link, Hollow Pins Are Used In All Of Our Super Light Chains.Ti-N Coating: - Titanium Nitride Is A Chemical Compound Of The Elements Titanium And Nitrogen. The Ceramic Material Of Typical Golden Yellow Color Is Characterized By Very High Hardness And Corrosion Resistance. Kmc'S Special Titanium Nitride Coating Not Only Looks Fantastic, It Has An Ultra-Smooth Surface And Is Extremely Durable.High Pin Power: - Shave Grams In Every Link, Hollow Pins Are Used In All Of Our Super Light Chains.Ecoproteq Coating: - The Latest Milestone Of Kmc In Rust Protection. The Non-Toxic Ecoproteq Treatment Doubles The Rust Resistance Compared To Kmc'S Rb Anti-Rust Treatment. The Advantages Of The Very Smooth Coating Are Maximum Rust Resistance, Low Noise And A Great Look.Specifications:- Size: 1/2´´X11/128´´- Length: 126 Link- Weight: 234 Grams- Compatibility: Sram Eagle, Sram Eagle Axs, Shimano, And Campagnolo- Bicycle Type: Mtb, Road, Gravel, Cyclocross