The back protector’s structure design changes from the centre towards the outside and provides the perfect balance between force dispersion and energy absorption

Lightweight at just 50g

Flash2: 0-300lm 4:30hrs

The 4 way stretch fabric offers superior comfort with moisture-wicking technology

Awesome options for XC

BOX Three Prime EBike 9 Speed Cassette - Shimano HG Splined - 12-46T - 9 Speed Ignore Wholesale Tier 2 Brand Rule The back protector’s structure designThe 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. If you're looking for a great, heavy and long wearing, durable yet smooth cassette, Box has the solution to finding the best in their prime 9 system and reinventing it to suit e bike riders. Features: Rated for eBike use The Box Three