BOX Two Prime 9 E-Bike Cassette

Built to withstand the rigors of e-bike riding, the BOX Two Prime 9 e-bike cassette is built with high gears that have more teeth and offers the range of a 12-speed without the added complexity.BOX Prime 9 technology offers the same range as a 12-speed drivetrain with fewer gears to shift through, reducing parts and weight while increasing durabilityAdding an extra tooth to each of the 3 highest gears provides increased durability and decreased wear by distributing the load over a larger areaAll cogs are stamped from steel; larger cogs are pinned to lightweight alloy spidersOffers ultrawide ratio with consistent progressionsED Black finish delivers extra protection from the elements