BOX One Prime 9 Speed Cassette - Shimano HG Splined - 11-50T - 9 Speed YGroup_7033398165549 Pros: Offset spokes give great

Pros:  Offset spokes give great strength

They also feature Spank's Lateral Stiffness

8 - Dual Compound - EXO - TR Kevlar Folding: 1040g

Free-stroke adjustment

Belt loops

BOX One Prime 9 Speed Cassette - Shimano HG Splined - 11-50T - 9 Speed YGroup_7033398165549 Pros: Offset spokes give greatThe BOX One Prime 9 Speed Cassette is the flagship model in the range, and even though the cogs are all steel it barely tips the scales at 365 grams. This cassette will give you all the same range as your riding buddies on their 12 speed setups but you'll have to shift a whole lot less to find the right gear. Who's this item for: This is for riders that have embraced the simplicity and lighter weight of a 9 speed setup and need a cassette to run with