NEW BOX Three Prime 9 9-Speed Cassette eBike 12-46t, rearder_12speed precision machined to Shimano Ultegra

precision machined to Shimano Ultegra quality standard

- Maximum load weight limit: 30lbs

- Tubular 4130 CroMoly Construction

its compressionless design and along with the included ultra-slick polished inner cables ensures precise

Wheelbase 989

NEW BOX Three Prime 9 9-Speed Cassette eBike 12-46t, rearder_12speed precision machined to Shimano UltegraThe Box Three Prime 9 cassette is a great all around cassette option. All cogs are stamped from steel and subsequently, the larger ones are pinned to alloy spiders. It also features weight reducing holes on the cogs. The Box Three Prime 9 offers ultra wide ratio with consistent progressions Prime 9 technology offers the same range as a 12 speed drivetrain, with fewer gears to shift through Fewer parts, reduced weight, and increased durability Cogs