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CVT BELTS BY ULTIMAX

Powering the Performance of Powersports Vehicles

Continuously Variable Transmission (CVT Belts) Belts are designed to seamlessly perform throughout a continuous range of effective gear ratios. They are often used in motor vehicle drive systems such as ATVs, UTVs, Side-by-Sides, and Snowmobiles in the powersports industry, scooters, motorcycles and cars more widely.

Our market-leading range of CVT belts by Ultimax features extra-strong aramid and carbon cord, fibre loaded rubber materials and a unique double cog design for maximum tensile strength, reduction in belt failure modes and better performance than any other CVT belt on the market.

Image showing the Ultimax ATV Belt a CVT Belt and Powersports Belt for ATVs, UTVs, and Side-by-Side Vehicles

Ultimax ATV

Ultimax ATV belts are specifically designed to drive optimum performance on specific powersports applications. A wide range of belts for all major brands and unique constructions for a no “one size fits all” approach.

  • Built to outperform original equipment belts on durability and performance.
  • Strong aramid cord for zero stretch and maximum tensile strength.
  • This is our best-selling line of ATV belts that excel on high horsepower vehicles.
Image showing the Ultimax ATV HQ Belt a CVT Belt and Powersports Belt for ATVs, UTVs, and Side-by-Side Vehicles

Ultimax ATV HQ

Ultimax ATV HQ belts are high-quality replacement belts delivering ultimate performance for most popular ATVs, UTVs and Side-by-Sides with proper fit, reliability and durability.

  • Specifically formulated rubber compounds for maximum grip on the clutches.
  • Each belt is uniquely designed to fit a specific application for extreme performance.
  • Built to exceed the quality of original equipment belt across a range of vehicles.
Image showing the Ultimax MAX Belt a CVT Belt and Snowmobile Belt for Snowmobiles

Ultimax MAX

Ultimax MAX features improved cog design and added strength for maximum performance, flexibility and durability across powersports vehicles under 500cc.

  • Larger bottom cog design handles the significant demands of deep snow, towing, and shock loads.
  • Decades of refinement deliver leading flexibility, dimensional stability and cord-retention.
  • Strong and stable aramid cord for zero stretch and maximum tensile strength.
Image showing the Ultimax PRO Belt a CVT Belt and Snowmobile Belt for Snowmobiles

Ultimax PRO

Ultimax PRO is built for maximum clutch contact, less slippage over broader speeds and improved heat dissipation to deliver quicker vehicle acceleration and ultimate performance for mid-power snowmobiles.

  • Strong and stable aramid cords for zero stretch and maximum tensile strength.
  • Double-cog design provides greater cord support with high power capacities and flexibility.
  • High-strength material for various riding styles including ditch-banging, deep powder, and trail riding.

Ultimax XS

Ultimax XS belts are designed with specifically formulated rubber compounds and strong aramid cord for superior performance and longer belt life on high horsepower sledges.

  • Designed for modern high-power snowmobiles and top racing sledges for maximum CVT performance.
  • Built with modern methods to reduce variability and eliminate classic failure modes.
  • Over a million miles a year of documented field testing for peak value and performance.

Ultimax MD

Ultimax MD belts are multi-duty belts designed for a wide range of applications including go-cart, golf cart, junior dragster, and lawn and garden applications.

  • MD100 Series for Comet applications and MD200 Series for air-cooled snowmobile fan belts.
  • Over a million miles of documented field testing results in superior performance and value.
  • Manufactured to exceed the performance of OEM specification belts.
Image showing Variable Speed Cog Belts by Carlisle Belts

Variable Speed Cog-Belt

The Variable Speed Cog V-Belt is specifically designed for use in applications requiring exact speed control.

  • Unitised belt bonding, specifically formulated rubber compounds and high-modulus cords deliver superior resistance to damage, shock and chemical ageing.
  • Precision moulded cogs and raw-edge sidewalls increase belt flexibility, heat dissipation and grip strength for quieter, and longer belt performance.
  • Specialised fabric covers stretch up to 175% more than ordinary fabric to significantly improve belt life.

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