Trail Bikes Swingarm Aluminum 3" Inch Extended- Z50 K3-1999

TB Swingarm 3″ Longer than OEM – Z50 K3-78 & Z50R 79-99

New in 2019: Updated version their earlier Plus 3″ extended aluminum swingarm kit for the Z50 K3-78 and all Z50R models
The previous version was an ok performing swingarm that was sold for around 10 years
This updated version is a new design


Features:
     -Made of solid billet aluminum sections for increased strength
     -Billet center section is notched into the billet side sections
     -It's bolted together for increased strength (It was previously a hollow section then welded on)
     -Shock mounts have been redesigned for increased strength
     -Chain slider is now easily removed and replaced with two screws (Previously riveted on)
     -It's 9 5/8 inches from the cross member to the center-line of the axle when adjusted all the way back
     -This clearance allows you to run the most fat & aggressive knobby tires

A very high quality aluminum swingarm that is stronger and improves handling on the Z50 Model

The old version was used on our Vegas Mini Moto winning Z50's as well as many other races
The new version is even better suited for racing or backyard ripping around
Swingarm pivot cups use bearings instead of the OEM stock type rubber bushings

W/ this swingarm, the following is recommended:
     -330mm long rear shocks. (We have several types available on the Z50 page)
     -Aftermarket taller front end like the TB triple clamp kit that uses KLX110 type forks (Also available from Fast50s)

If using the stock length front forks, its probably best to go with TB's Plus 1.5″ swingarm (Also available from Fast50s)

The swingarm itself is a bolt on kit, however, a roller (Not included) is recommend
– there is a perfect spot on the Z50 frames to bolt or weld on a roller (you can see the roller in one of the bike pics above). We have a roller available in this section.

If you have any questions please call one of our knowledgeable and friendly techs at 833-327-8507