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Polini’s crankshafts are some of the best available when it comes to performance and quality. This particular part carries similar characteristics to the Evolution crank but retains full splines like the stock part, this allows it to use all variator kits available.
Increased compression and overall engine performance is guaranteed.
Product Code: AD/210.0005
The new Hi-Speed Variator Kit from Polini looks like what you would expect for a variator but there’s a difference – the Evo Slider!
Each incarnation of variator kit whether it be from Polini or Malossi etc. follows the same trends and are made from die-cast alloy of a high silicon content. This one however has a twist, not only is it priced extremely well but with the new Evo Slider it’s set to leave the competition standing.
The Evo Slider, how does it work?
This clever and simple addition is made from a self-lubricating material similar if not the same as the slides seen within your variator and it sits neatly beneath the compression spring guide. With the slider in place the compression spring can rotate in a constant way eliminating stress and torsion of the spring which in turn allows for faster and more efficient transmission shifts with improvements on acceleration and on / off throttle use further up the rev range.
Product Code: AD/241.670
New to maxi land is Polini’s nine roller speed control kit which, if the 50cc units are anything to go by, will transform your four poppers acceleration to something magical.
Special coatings on the sliding surfaces and improved excursion of the roller allows for a shorter ratio guaranteeing faster acceleration and improved top speeds. All in all this will allow for the best getaways, hill climbing and overtakes.
External fins around the roller housing will definitely improve cooling adding to more consistent transmission responses and the all important ware of your drive belt and rollers.
Product code: AD/241.666
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