![]() It must be the same or similar to the recommended SAG cell value. Introduce the following data: Wheel travel, % of desired SAG, measures L1, L2 and 元.Īdjust spring preload depending on the Actual SAG cell value. If cell turns blue it’s recommended to use a softer spring rate and set rider SAG again if turns orange it’s recommended to use a harder spring rate and set rider SAG again. Turns Yellow if friction value is too big (need to check oil seals, dust seals, tie rods, etc.) If value is over the recommended, SAG can’t be adjusted properly.įree SAG: Shows the motorcycle sag under its own weight, once rider SAG has been correctly adjusted. Weight before lifting and after lifting have to be noted and applied in the formula to get approx CG. (value to reach)Īctual SAG: Based on the entered lenghts, returns the actual SAG lenght.įriction: friction lenght existitng on the suspension system. Weighing machines have to be placed on both the front wheels and rear wheels of the vehicle. Recommended SAG: SAG lenght value based on the SAG% entered. At approximately 30mm of travel the static sag measurement anti-squat is close to 100 percent. Then select suspension geometry to satiafy favourable front and rear roll center. Note that anti-squat is greater than 100 percent close to the top of the travel, and steadily decreases as the suspension moves through its stroke. The calculation for a suspension system should be carried out in a. This only should be taken once the correct SAG has been achieved. A typical plot of anti-squat expressed as a percentage of weight transfer vs. L4: Length between the exact same two points without the rider. 元: Length between the exact same two points with the rider, with gear, on the bike, pulling the bike and letting it go to its relaxed position. L2: Length between the exact same two points with the rider, with gear, on the bike, pushing the bike and letting it go to its relaxed position. between fork bottom bracket and dust seal on an upside down fork) with the wheel unloaded (in the air) not using paddock stands or similar that may compress the suspensions. In the instructions tab of the calculator you will find a recommendation chart. This data can be easily found on the Owner’s Manual.ĭesired SAG %: Depending on the use you give to your bike, you will need a certain SAG value. ![]() Wheel travel: The total travel of the wheels (not the suspensions themselves). You can download this calculator FREE using the link below.īy using it, you can adjust, according to your weight, your bike and the use you give to it (racetrack, road, off-road), the SAG in a very efficient way.Īlso, it will tell you if your seals are worn and need a replacement, if your linkage system needs lubrication or if your spring rates are the correct ones. Here you can find our Motorcycle SAG calculator so to adjust your suspensions spring preload according to your weight and the use of your bike.
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