Motorcycle Variators & Components

Motorcycle Variators & Components
  • Starting Line® - Drive Clutch Spider Shim Kit
    Starting Line®Drive Clutch Spider Shim Kit (40-107)
    0
    # mpn4568394690
    Drive Clutch Spider Shim Kit by Starting Line®. Drive clutch belt-to-sheave clearance is extremely important. It should be set at a maximum of .020" with a new belt. Too much belt-to-sheave clearance will cause poor clutch performance....
    Engineered to ensure ultimate strength and maximum safetyMade to give you more confidence while driving
    $16.10
  • Starting Line® - Helix/Spring Shim
    Starting Line®Helix/Spring Shim (50-99)
    0
    # mpn4568394707
    Helix/Spring Shim by Starting Line®. TSS-04 TEAM Clutch. The SLP Helix/Spring Shim helps maintain peak RPM riding at extreme elevations (8,000 ft. and above). This shim spaces the hub of the clutch in 0.070" which raises the spring...
    Engineered to ensure ultimate strength and maximum safetyMade to give you more confidence while driving
    $6.60
  • Starting Line® - Super Slippery™ Helix Ramp Button
    Starting Line®Super Slippery™ Helix Ramp Button (40-9)
    0
    # mpn4568394704
    Super Slippery™ Helix Ramp Button by Starting Line®. These helix ramp buttons are super slippery and last longer than stock. These buttons increase upshift and backshift efficiency for more consistent and proper clutch function. This...
    Engineered to ensure ultimate strength and maximum safetyMade to give you more confidence while driving
    $11.35
  • Venom® - Primary Clutch Spring
    Venom®Primary Clutch Spring (210135-003)
    0
    # mpn4714360512
    Primary Clutch Spring by Venom®. Primary springs control engagement and shift RPM. Fine tune your primary clutch with springs, manufactured from high tensile wire to exacting tolerances. This top-grade product is expertly made in...
    The highest grade materials and the latest technologiesExpected to provide seamless service for years
    $23.77
  • Comet® - Cam Arm
    Comet®Cam Arm (215865A1)
    0
    # mpn4636972235
    Cam Arm by Comet®. Cam arms listed are for the 108 EXP-108 4-PRO torque converters bushing. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
    Excellent durability coupled with exceptional performanceMade from top-grade materials to provide wear resistance
    $27.41




It's no secret that the performance of any vehicle depends not only on the engine but also on its transmission. Gear ratios really matter and selecting the right gear, you can use engine torque in the most efficient way. When it comes to a continuously variable transmission, or variator, it has no gears. However, it doesn't mean that you cannot adapt the transmission to your requirements concerning motor thrust at low or high RPM. The modern market offers many performance clutch kits whose parameters are altered to meet a variety of demands.

Thanks to the altered weight of rollers, modified springs, and some other solutions, you can make your motorcycle or scooter accelerate at higher or lower revs under the same conditions as before. In a nutshell, lighter rollers found inside the drive pulley will give you higher RPM, while the heavier ones will do the opposite. As for a contra spring installed in the same pulley, a lighter spring will make the variator shift at a lower RPM, and the heavier one will produce the opposite effect.

There must be a fine balance between the weight of rollers and the stiffness of the spring, and it's often achieved through trial and error. Our online store offers you a large assortment of variators & components enabling you to modify and tune up your bike. Whether you choose a complete clutch kit or individual parts, their strong construction and first-class materials will contribute to a long lifespan of the assembly. Besides performance-oriented products, we carry a wide range of replacement components. Crafted by leading aftermarket manufacturers, they are of the same high quality as original equipment, but their price is usually more budget-friendly. They will perfectly fit your motorcycle and make it run at its peak performance.

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