16-Tooth Differential Gearbox for Electric Tricycle, Go Cart, Rear Axle Transmission Assembly 9.5:1 Gear Ratio – Fits 48V–72V Motor Go Kart, ATV, UTV, Quad – Heavy Duty Metal Construction

I’m running stock differential on one and the other has a differential with slightly higher gear ratio. https://www.amazon.com/Kemblawolf-16-Tooth-Differential-Electric-Transmission/dp/B0F93W98LJ/ref=mp_s_a_1_44_sspa?dib=eyJ2IjoiMSJ9.tK9mOpqGOQwiH8qj3r8uJEh42z4yRigmpLEHMFx1WwCGZIlbFhxXVqom-TGaT1IAKu6vVlF_b14r9MQEZKIauk5gA2KFAH6AU0Ac2Vfr6e9iUhIQroLppkE5v8yBbeEc5w8ippnQwPcWl6EzaFq86s0Q0Mq9gJ8OazeyV1pRIio_ivZlVRYLlkapWBva-v3mUjY-wCocUM_BzaCb_tsiTA.7UyHUkgM_gy2MAyTbhu2QsiMBH0NSar5BHbGJpcDf0w&dib_tag=se&keywords=trike+differential&qid=1778975606&xpid=9tSRTGNgGjUF-&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9zZWFyY2hfbXRm&psc=1