Box Four 8-Speed 12-42T E-Bike Cassette Size:12-42T At its heart is a

At its heart is a super-supple 60TPI casing where we forced in as much rubber displacing nylon as possible

Box Three Prime 9 Multi Shift Shifter

adding an extra tooth to each of the three highest gears

Box One™ Alloy Hoops have a no-nonsense low-profile design that eliminates excess material

Box Four 8-Speed 12-42T E-Bike Cassette Size:12-42T At its heart is aThe Box Four E Bike Cassette offers high gears with more teeth to withstand the rigors of modern E Bike riding. Adding an extra tooth to each of the three highest gears provides increased durability and decreased wear by distributing the load over a larger area! Box Four adapts our Prime 9 philosophy of durability, simplicity, and reliability at a great price point. All cogs are stamped from steel, given our durable black coating and then the larger