BOX Prime 9 Shifter BX-SH2-P9ASS-BK

- Prime 9 Technology for greater simplicity and durability\n- 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\n- Multi shift option changes up to 3 gears at once for non-eMTBs\n- Box One features: diecast top shell, machined clamp, diecast release lever, and a stainless braided lo-friction cable\n- Box Two features: diecast top shell, and extruded clamp\n- Box Three features: resin top shell, and same as above\n- Box Four features: 8 speeds, with Prime 9 Technology and the same construction as Box Three\n- Limited lifetime warranty\n- 3rd party web sales must be an Authorized Dealer