Sunlite E101 10 Speed E-Bike Chain 136 LinksThe Sunlite E101 10 Speed E-Bike Chain is engineered to handle the higher torque and demands of electric bicycle drivetrains. Built with a durable Diamond Hard Coating, it significantly increases surface hardness and reduces wear for a longer service life. Precision-engineered with 4-edged chamfered outer plates for crisp, reliable gear changes and a deep inner waist chamfer that dampens noise, this silver 136-link chain (sized 1/2" x 5/64", weighing 268g) delivers smooth, quiet, and dependable performance mile after mile.888571073575