BOX Three Prime EBike 9 Speed Cassette - Shimano HG Splined - 12-50T - 9 Speed YGroup_7033607716909 Length of knee pad: These

Length of knee pad: These pads don't extend as high up the thigh as Seven's other offerings and they cover a couple of inches above and below the knee

Thumb-operated on/off lever is easier than ever to operate with one hand

the short version is compact enough to fit in a jersey pocket

Marzocchi Z1 - All versions of the Marzocchi Z1 from 2019 onwards

Three-sided

BOX Three Prime EBike 9 Speed Cassette - Shimano HG Splined - 12-50T - 9 Speed YGroup_7033607716909 Length of knee pad: TheseThe 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