Home Forums General Karting Discussion 40mm vs 50mm axle

This topic contains 3 replies, has 3 voices, and was last updated by  baruch fishman 2 years, 6 months ago.

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    baruch fishman


    So i am about 6’0 tall and 190lb riding an old margay with a 40mm axle .

    My question is there any advantages of upgrading to a 50mm axle? and what would they be?



    TJ Koyen

    50mm felt more stable when we first tried them during the big changeover. Might be better for your size. Other than that, most new karts are coming with a 50mm setup.

    Driver/Coach/Wrench : Innovative Performance/Exprit
    Owner : Oktane Visual - www.oktanevisual.com


    Walt Gifford

    The only reason you should go to a 50mm is if you can’t get a soft enough axle in 40mm. At the sticky euro tracks they were breaking/bending 40mm axles that were too soft so they went to 50mm. I’m 6’1″ 200 Lbs. and I run a medium 40mm on an old (06) Margay.


    FAA certified jet engine and aircraft technician,
    Nicholson Speedway class champion 2001,
    Yamaha KT100 Service Center,
    41 years karting experience


    baruch fishman

    Thanks !

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