Tektro ED9 shifts gears in ultra-durable 9-speed e-bike drivetrain, teases TRP TR12 update
Tektro’s all-new E Drive 9-speed mountain bike drivetrain promises improved durability for the high-stress life of an e-bike’s chain & cassette. With high-performance tech of more pricey MTB groupsets, the entry-level ED9 also includes an easily replaceable 3-cog cluster in the cassette to account for the most common e-bike drivetrain wear. The production ED9 rear
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