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Makes changing the rear shock absorber spring preload settings very quick and easy and replaces both preload rings on your shock, In their place is a mechanical device that uses the shock body’s threads to move an adjuster up and down, The preload adjuster makes race sag adjustments quickly and easily, Mechanical transmission, Use the complete thread of the shock absorber, Low weight, Not affected by dirt
2013-2017 Yamaha YZ 125 - -
2008-2009 Yamaha YZ 450 F - -
2007-2009 Yamaha YZ 250 F - -
2006-2017 Yamaha YZ 250 - -
2006-2012 Yamaha YZ 125 - -
2006-2007 Yamaha YZ 450 F - -
2006 Yamaha YZ 250 F - -