E-PowerLine Chain Your bike has one important part that is the link between the road or trail and your power. The E-PowerLine transfers the power of your legs and turns it into speed on your e-bike! The 9-speed E-PowerLine has 136 reinforced links to make your chain E-bike ready and complies to the NEN regulation. Strong and super durable to prevent your chain from rusting, so that you can go on and on pushing your power to your chain!