Tubeless TNT:

It has a slot on the other side for truing rotors

This gives you a plush

10-42T Gearing

they made the All Mountain D3O knee guard with a minimalist

BOX Two 9 Speed eBike Cassette - 9 Speed - Shimano HG Splined - 11-50T - Black PDP|Option Tubeless TNT:The Box Two Prime 9 X Wide cassette is where Prime 9 began. Originally developed for E MTBs to deliver long service life and a wide gear range with fewer gears, it quickly proved itself on unpowered MTBs as well. All cogs are stamped from steel, with the larger ones pinned to alloy spiders for added strength and durability. Due to its origins, it remains the most durable cassette in the range. Available in two versions, the standard 11 50T is suited