Bolt-On Swingarms – Affordable and easy to install, these 6061-T6 billet aluminum extensions lengthen your Razor SX500, MX500, or MX650 swingarm by 4"–5" or 5"-6". Just drill one hole per side—no cutting or welding. Uses the stock axle slot for the second bolt. Fits 51mm brake caliper brackets (common on pit bikes and some Zoom/MTB setups). Always loc-tite your threads!
Razor Bolt-on Extended Swingarms
$119.00 - $129.00
On sale