C&J Frames
C&J Frames 8.5in Travel Kit
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We’ve teamed up with the legendary C&J Frames to bring you the ultimate upgrade kit for your Sportster. Built from 4130 chromoly tubing and welded to perfection, this setup is engineered to unlock the full potential of your suspension. Designed around the 16–17" RaceTech shocks most of us already run, this kit bumps your rear travel from 4.5 inches to a massive 8.5 inches.
And it’s not just about performance—you’ll also shave 25 pounds by making the switch, thanks to the lightweight design! (Includes weight of swapping from stock battery to an antigravity 801)
Kit includes:
- Aluminum oil tank
- Subframe
- Rear axle (not pictured)
- Cut templates for install
- This kit must be welded on!
Now choose your swingarm option!
1- W/ weld on shock mounts to stock swingarm
2- C&J lightweight chromoly swingarm +1 length
3- shred speed alum swingarm like our bikes +1 length
Made to order. Please allow up to a month or so for your order to ship!

