BOX One Prime 9 Speed Twin Lever Shifter - Black - Multi Shift - 22.2mm Bar Clamp - 9 Speed Envelope Shipping DebonAir improves suppleness as well

DebonAir improves suppleness as well as small bump compliance

Pockets Position and Quantity: There are two YKK zippered front pockets located on the right and left hips

They feature fully adjustable temple arms and nose piece

Made from heavy-gauge steel

BOX One Prime 9 Speed Twin Lever Shifter - Black - Multi Shift - 22.2mm Bar Clamp - 9 Speed Envelope Shipping DebonAir improves suppleness as wellWith the big brands making a big song and dance about adding an extra gear or an extra tooth to their cassettes, Box is doing things a bit differently with their wide range 9 speed setups. The Box One is the flagship model in the Prime 9 lineup and offers top level performance across 9 gears. You'll have the same range as your mates on their 12 speed setups, but 9 speed so much easier to set up so you'll be able to spend more time riding and less time