BOX Three Prime 9 eBike Cassette - 9-Speed 12-46t Black Adhesive-No The ball shape also lowers

The ball shape also lowers sliding friction reducing the abrasive wear from the silica in the road

Including 816 R Kraftform bit hand-holder with Rapidaptor quick-release chuck and multicomponent Kraftform handle for fatigue-free working

US Patent 10464635

Durable rubber stem mount body allows air and sealant to flow through freely

40mm fork clamp stack height

BOX Three Prime 9 eBike Cassette - 9-Speed 12-46t Black Adhesive-No The ball shape also lowersThe 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 pinned