Three Prime 9 Shifter Options:Three Prime 9 Shifter - 9-Speed, Single Shift, Matte Black 360degree head belt

360degree head belt

and thoughtful details for performance and visibility

and includes a custom Park Tool toolbox with extra room for spare parts and more tools

SmarTube offers low weight and volume combined with a high level of reliability

PINT-SIZED PUNCH: Sized and spec’d for smaller riders

Three Prime 9 Shifter Options:Three Prime 9 Shifter - 9-Speed, Single Shift, Matte Black 360degree head beltThe Box Three shifter combines performance and value at an affordable price point. It makes good use of nylon composites in both top and bottom shells as well as the levers. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. Prime 9 is also terribly forgiving so you won't have to constantly adjust your set up. Multi shift lever allows you to pull several gears at once (up to 3 per shift)