NEW BOX Three Prime 9 9-Speed Cassette eBike 12-50t, variant-size-large 1800 Lumen high output

1800 Lumen high output

Direct mounting allows an easy switch between rings and spiders

Elegant and streamlined form for more rear-tire clearance

53cm 5'2" - 5'7"

37" x 24tpi hub threads

NEW BOX Three Prime 9 9-Speed Cassette eBike 12-50t, variant-size-large 1800 Lumen high outputThe 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