BOX Three Prime EBike 9 Speed Cassette - Shimano HG Splined - 12-50T - 9 Speed PLP|Model Year The VPD Air Back meets

The VPD Air Back meets the European CE EN 1621-2

Protection Style: These are a slip-on pad with 3D-shaped impact gel padding

the Traverse opens up a lot of options for use

Allty 1000

Bearing style: Custom 6806 radial bearings filled with quality grease

BOX Three Prime EBike 9 Speed Cassette - Shimano HG Splined - 12-50T - 9 Speed PLP|Model Year The VPD Air Back meetsThe 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