Midwest Mini Mods
MMM QS165 Swingarm
MMM QS165 Swingarm
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Custom designed , CNC machined aluminum swingarm upgrade for the Razor SX500 and MX500/650 made right here in Minnesota.
MOTOR NOT INCLUDED, sold separately. Tired of burning up smaller motors? So were we! This is by far the best motor we have run to date. We are so impressed with this setup. I crammed 17,000 watts in the 5000 watt version all summer long and had the time of my life. I am now upgraded to the QS165 50H and throwing 29,000 watts at it. This arm is exclusively built to only use the QS165 5KW and 10KW motors. I am told the stock Surron motors utilize the same mounting points so they should mount up to this swingarm as well but we have not tested them. We include the necessary spacers and hardware so nothing else is needed. If you want to run a smaller motor let us know, the my1020 and FW11 holes are still there. The largest tire you can run is a 12"
All swingarms being sold are now V4. This newest version has all sides of the arms machined for more finished look (not perfect, expect some machining marks) and we updated the shock brace to a solid, one-piece design. We also added a machined slot on the right arm for the “one” motor and the longer shaft motors like the fw11.
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The quality is soo good
Very helpful customer service very responsive product was as it should would definitely purchase from them again thank you guys