Racetorx Kawasaki ZX12R Gear shift support

$ 74.00
Lithium Grease


We at Racetorx are the largest manufacturer of gear shift supports to suit a vast number of motorcycles.

Our gear shift supports help prevent mis-shifts / false neutrals and provide a more positive gear change.

By moving the fulcrum closer to the gear lever, the kinetic energy is altered to achieve less effort and better action.
With the use of the installed needle bearing or phosphorus bronze bush, the rotational resistance is reduced.

-helps prevent mis-shifts / false neutrals
-provides safety and protection
-quick shifters work better with a gear shift support fitted (due to reduced play in the shaft)
-gain confidence back in gear changes
-provides positive gear changes
-added protection for your transmission in the event of a crash

This can also be used in conjunction with quick shifters for a more responsive gear change.

Stop the mis-shifts and false neutrals while adding some protection to your transmission with our one-of-a-kind gear shift supports.
Don’t settle for knock-offs and inferior products.


Material- 6061-T6 aluminium

Aesthetically pleasing with UV stable anodizing for corrosion protection.

Anodizing – Black Only


SPROCKET COVER to either be removed or the bottom right bolt area to be removed/cut a Dremel would do a nice job or a hacksaw then sand to a nice finish. , due to the sprocket cover being cast metal and still having 3 other bolts used the cover it will still be stable. 

Included– Gear shift support and bolts

Material- 6061-T6 aluminium

Aesthetically pleasing with hard anodizing for corrosion protection.

Anodizing – Hard anodizing in Black.

ZX12R – 2000 – 2002 A1
ZX12 – 2003 – 2006 B

While fitting the Gear shift support, be aware the sprocket cover metal plate will need to be cut, The bottom bolt location is where the gear shift support is mounted, this means the sprocket cover plate will be in the way. The top two bolts are enough to still mount the cover in place.

Kit Includes:

  1. Gear shift support (bearing/seal fitted)
  2. stainless steel Hardware included
  3. “Optional” 3grams of grease for the bearing


  • It is essential to lubricate the bearing or phosphorus bronze bush bearing before application.
  • Mounting bolts to be torqued up to 10.7NM
  • We Recommend cleaning and regrease the needle bearing/bush every 3000miles or less
  • It is recommended to lock tight supplied bolts

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