Chain KMC E9 9-Speed 136L Silver Power-up your e-bike An extra-strength chain that works perfectly with powerful mid drive motors to take riders to the next level. Designed for mid drive motor e-bikes, the KMC e9 Sport 9-Speed E-Bike Chain is built with increased tensile strength to exceed the international standard by over 30% so you can push even harder. To give durability a boost, the chain undergoes special heat treatment and uses KMC's patented metal coating for rigidity, flexibility, strength, and reduced wear and tear for an estimated lifespan of 7500km (4660 miles). Key Features 136 link chain compatible with Bosch and other 9-speed chain driven e-bike systems Higher torsional rigidity and shield tech riveting increase the strength Double X bridge shape provides precise shifting Inner and outer plate chamfering provide accurate, fast and efficient shifting Triple X stretch-proof heat treatment provides exceptional durability Includes KMC non-reusable Missing Link Features Astoundingly responsive The Double X Bridge design never skips a beat with an intelligent chamfer that effortlessly eases into each tooth - providing an easier, faster and more powerful ride. Extreme endurance Chains undergo a tremendous amount of stress when used with a power mid-drive motor as found on E-bikes. KMC's E-bike chains offer high strength, proprietary riveting technology, and patented metal coating. technology that further strengthens the chain and its resistance to wear and tear. With an estimated lifespan of 7500km (4660 miles), it'll take you for the long haul. Specifications Color Silver Size One size Gender unisex Intended User Age 12 years and over Model Year 2026 Weight 277g Material Components Steel