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BOX


Quick Release Binders
Shifters
BOX Prime 9 Shifter
Margin Booster
  • Prime 9 Technology for greater simplicity and durability
  • Available in single shift option for eMTB to keep the user from shifting multiple gears under load significantly reducing the rate of bent teeth and broken chains
  • Multi shift option changes up to 3 gears at once for non-eMTBs
  • Box One features: diecast top shell, machined clamp, diecast release lever, and a stainless braided lo-friction cable
  • Box Two features: diecast top shell, and extruded clamp
  • Box Three features: resin top shell, and same as above
  • Box Four features: 8 speeds, with Prime 9 Technology and the same construction as Box Three
  • Limited lifetime warranty
  • 3rd party web sales must be an Authorized Dealer
 
item # model speed f/r color weight in stock?
  BX5300 One Prime 9 Single shift 9 spd rear black 127g YES
  BX5302 One Prime 9 Multi Shift 9 spd rear black 127g YES
  BX5320 Two Prime 9 Single shift 9 spd rear black 127g YES
  BX5322 Two Prime 9 Multi Shift 9 spd rear black 127g YES
  BX5342 Three Prime 9 Multi Shift 9 spd rear black 127g YES
  BX5360 Four Prime 9 (8 spd) Multi Shift 8 spd rear black 127g NO
12-20" Tires
Box One 20" BMX Tires
new Margin Booster
2 choices
Box Two 20" BMX Tires
new Margin Booster
2 choices
24" Tires
26" Tires
Box Two 29" BMX Tires
new Margin Booster
2 choices