►Drivetrain

A manual chain tensioner that can be adjusted to any desired chain tension. It is made from CNC billet steel to fit the contour of the stock case. The stock ratchet tensioner overtightens the chain causing premature chain failure. This tensioner...

7/8" Wide BORG WARNER HYVO chain for 7/8' wide gears.    Available combos    Chain pitch...

Made from billet heat-treated steel.  Replaces the stock gears, providing over twice as much longevity. Must be used with 7/8" wide HYVO chain. See pull down menu below for ordering gears. Available combos    Chain...

Made from billet heat-treated steel. Replaces the stock gears providing over twice as much longevity. Must be used with 7/8" wide HYVO chain. See pull down menu below for ordering gears. Available combos    Chain pitch ...

A new option for running the 2.52 pitch track and drivers on your REV XP PLATFORM or 2017 850's. Consists of four aluminum billet hubs and two PPD plastic drivers and all the hardware. The hub and sprocket assemblies slip over the stock shaft and can be...

The STM HD jackshaft is a direct replacement upgrade for the stock 2012-2014 ProCross 800 jackshaft. If used on  2012-14 1100 it will loose reverse. This shaft allows the use of 15 wide (7/8") HYVO chain and gears.

1 XP driver conversion hub. SOLD INDIVIDUALLY so order a quantity of 4 for a complete set. 

Driver for the STM XP conversion. 2.52 pitch.

3/4" wide HYVO chain for our STM  Sidewinder chain case.

FITS STM "SIDEWINDER" GEAR CASE ONLY  NOT FOR USE IN YAMAHA SIDEWINDERS!!  3/4" wide HYVO top gear for the Sidewinder chain case.

FITS STM "SIDEWINDER" GEAR CASE ONLY  NOT FOR USE IN YAMAHA SIDEWINDERS!!  3/4" wide HYVO bottom gear for the Sidewinder chain case.