CVT Belts

CVT Drive Belts. Specifically designed for a variety of motorized CVT applications including street-legal scooters and go-karts. Standard belt has OEM-equivalent or better performance.

The Continuously Variable Transmission (CVT) belt is an integral part of your automatic 50cc Scooter transmission. Extreme Motor Sales has more CVT belt sizes available than anyone else, and we are adding more all of the time!

Scooter CVT belts are available from multiple companies, and in varying compositions. We currently provide high quality CVT belts from Gates and Bando, as well as our own Universal brand. The premium Gates and Bando are Aramid (the generic name of a certain bulletproof fabric) reinforced for high strength and long life. 

CVT belts are measured in 3 dimensions. For example, here is what the numbers of a 669-80-30 belt actually mean:

  • 669 = The Pitch Length of the belt in millimeters
  • 18 = The Width of the belt in millimeters
  • 30 = The Angle of the teeth on the interior of the belt
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    Bando Brand Premium Kevlar CVT Drive Belt size 669-18.2-30 commonly found on 50cc 4-stroke QMB139 Street Scooters with 10 inch rear wheel.
    Also fits Twist N' Go Venice 49cc, Twist N' Go LS 49cc and Twist N' Go Milano 50 (49cc) '04-'07.

    • $36.99

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    Bando Brand Premium CVT Drive Belt size 669-18-30 commonly found on 50cc 4-stroke QMB139 Street Scooters with 10 inch rear wheel.
    Also fits Twist N' Go Venice 49cc, Twist N' Go LS 49cc and Twist N' Go Milano 50 (49cc) '04-'07.

    Baja SC50, Panterra Freedom 50cc, Panterra Fusion 50cc, Panterra Retro 50cc, QMB139 50cc/49cc , Roketa, Schwinn Hope 50, Schwinn Laguna 50, Twist N' Go LS 49cc, Twist N' Go Milano 50 (49cc) '04-'07, Twist N' Go Venice 49cc, Various unlisted makes/models

    • $29.99

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    Gates Powerlink Standard CVT Drive belt size 669-18-30. Commonly found on 50cc 4-stroke QMB139/GY6 engines with 10" rear wheel.

    Fits Twist N' Go Venice 49cc, Twist N' Go LS 49cc and Twist N' Go Milano 50 (49cc) '04-'07.

    Baja SC50, Panterra Freedom 50cc, Panterra Fusion 50cc, Panterra Retro 50cc, QMB139 50cc/49cc , Roketa, Schwinn Hope 50, Schwinn Laguna 50, Twist N' Go LS 49cc, Twist N' Go Milano 50 (49cc) '04-'07, Twist N' Go Venice 49cc, Various unlisted makes/models

    • $29.99

    Score: 5.00. Votes: 1
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    Universal Standard CVT Drive Belt size 681-17.7-30 for 50cc 4-stroke QMB139-B engines.

    • $22.99

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    Bando Brand Premium CVT Drive Belt size 723-17.5-28 commonly found on 50cc 4-stroke QMB139 Street Scooters.

    • $27.99

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    Gates Powerlink Standard CVT Drive belt size 724-17.5-28.
    Fits Longcase QMB139 49cc, 4-stroke scooters.

    • $37.99

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    Bando Brand Premium CVT Drive Belt size 729-18-30 commonly found on 50cc 4-stroke QMB139 Street Scooters with 12 inch rear wheel.

    • $35.99

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    Standard CVT Drive Belt size 729x17.7x30 commonly found on 50cc full-size scooters.

    Avanti, Baja, Baotian, Baron, Bashan, BKM Sauron, Boreem (BMS), Boss, Bravo, CFMoto, Diamo, Dotera, Eton, Freedom, Honda, Kazuma, Kymco, Lifan, Panterra, Qingqi, Redcat, Roketa, Schwinn, Strada, SUNL, SYM, Tank, Terminator, TGB, United Motors, Various unlisted makes/models, Vento, Verucci, Voy, Wildfire, X-Treme, Yamati , YongKang, ZNEN

    • $19.99

    Score: 5.00. Votes: 1
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