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Product image Nr. 0 for 'Variator Rollers DR. PULLEY 21x17 mm 10,0g'
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Variator Rollers DR. PULLEY 21x17 mm 10,0g

for Vespa GTS 200/​ 250 ccm

  • 6 pcs
€41.00
29 ratings
VAT included Plus shipping
84g / Piece
Part no.: SR211710

Product description

SR Rolls from SERIE PRO line from Dr. Pulley widens your shifting spectrum higher and lower due to their special form. Now, you can improve acceleration values and achieve higher top speeds, all with one single set of specially formed rolls. Which means you can save having to purchase two different sets of round rolls to perform each job separately. These two in one rolls are incredibly popular in USA's scooter scene as well as Asian scooter scenes in Hong Kong, Taiwan and Japan.

 

Attenzione; The weight of standard rolls used till now cannot be converted 1:1 to the SR rolls. An exact calibration of +/- 1,0 gram is necessary. We also recommend adjusting your vario springs. If too heavy rolls are chosen, it will be great for top speeds, but your fan belt can rub on the motor casing. That's why we recommend you calibrate exactly.

 

SIP-TiPP: You will have best results by using the roller weights together with the DR. Pulley slide pieces!

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Downloads

  • Dr. Pulley Dyno Test by PM Tuning

    Dr. Pulley Dyno Test by PM Tuning.pdf

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