BOX Three Prime EBike 9 Speed Cassette - Shimano HG Splined - 12-50T - 9 Speed YGroup_7793574346797 The youth sized versions of

The youth sized versions of these shorts pack all the same great features into a smaller package to suit younger up and coming riders

5mm using 4 spacers (included)

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

Pros: This simple device can encourage your kids or other non-riders to get out there and up those hills

BOX Three Prime EBike 9 Speed Cassette - Shimano HG Splined - 12-50T - 9 Speed YGroup_7793574346797 The youth sized versions ofThe 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