Description ~ One Chain for All｜100% Compatibility On All Leading Derailleur Systems ~ Asymmetrical Chamfering Avoids Interference ~ Added Chamfering for Smooth Operation ~ Impeccable Precision｜Phenomenal Shifting Performance ~ Size : 1/2"x11/128" | Compatibility: SHIMANO, Campagnolo and SRAM 11 speed drivetrain systems | 1x11, 2x11, 3x11 ~ Suitable For : Down Hill / Mountain Bike / Road Bike / Cyclo-Cross ~ 120 Links Extra Light ~ Hollow outer & inner plate High Rigidity ~ Quick response and higher efficiency Highest Pin Power ~ Unsurpassed riveting geometry Mud Shedding Design ~ Easy clean Triple X Durability ~ Triple SP exceptional durability Double ”X” Bridge Shape ~ Precise gear shifting Outer Plate Chamfering ~ Accurate shifting Inner Plate Chamfering ~ Expeditious shifting Please visit our website at http://www.ecomtb.com.my OR https://shopee.com.my/eco_mtb ** There is 1-3cm errors due to manual measurement. Please kindly understand. ** Actual product colour may slightly vary due to photographic lighting sources or your monitor settings. ** WE DO NOT DO COD ** ONLINE ONLY ** We support original products only. ** PRICE INDICATED IS ALREADY BEST PRICE, EXCLUDE COURIER