BOX Three Prime EBike 9 Speed Cassette - Shimano HG Splined - 12-50T - 9 Speed YGroup_7793574346797 Not to be confused with

Not to be confused with a purse

Different wall thicknesses and butting profiles require different heat treating processes so mixing everything together mean that the process won't be optimised for each model

5mm using 4 spacers (included)

Coupled with more rubber

BOX Three Prime EBike 9 Speed Cassette - Shimano HG Splined - 12-50T - 9 Speed YGroup_7793574346797 Not to be confused withThe 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