variator Airsal Xtrem for 45mm Airsal crankshaft for Minarelli

This Airsal variator is needed when installing the Airsal Xtrem crankshaft with 45mm stroke Minarelli LC engines. The variator is required because the output shaft of the Xtrem crankshaft is bigger than that of the original crankshaft providing better stability of the crank. Supplied as per image with 19x15.5mm rollers 3 and 3.5grams.