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![]() If you are logged in you will also notice the roll center and instant centers are also displayed. As you move the chassis notice the variations are displayed within the calculator. The chassis always returns to the static position when releasing the mouse. The chassis movement control allows you to raise and lower the chassis and also rotate the chassis by moving the mouse (or your finger) side to side. VROD 4 Deg Trees 180 Tire 3.9" Trail 2 Deg Trees 240 Tire 4.5" Trail 2007-2011 VRSCR 2 Degree TRees 4.First, let's start by looking at the suspension movement and the tools available to make your life easier: Various Harley models have the following trail figures: FXR 4.22". Typical trail figures are between 4 and 6 inches. Number as this will adversely affect handling unless you are building a Is present, Raked Triple Trees are necessary. VRSCA V-Rod uses 4 degree trees VRSCR / VRSCAW / VRSCDX use 2 degree trees 2012 up zero degree treesĬhassis that have been raked to 40 degrees or more, and too much trail V-Rod 30".įor standard triple trees enter 0 degrees: The FXDWG uses 2.0 or 2.5 degree trees Harleyįorks are in the 30", 32", 34" or longer range. FLH series have a negative offset ( Enter -2.455")įrom to top of the fork tubes to the centerline of the axle. M8 Softails: FLSL 30 deg FXFB/S 28 deg FLDE 30 deg FLSB 30 deg FLFBģ2 deg FLHC/S 30deg FXBR/S 34 deg FXDR 34 deg FXLR 30deg ĭistance from center of top of steering neck to centerline of top of fork tubes. Less offset will move theįork tubes closer to the gas tank on full lock.so check this in Trail to reasonable levels (4 to 6 inches). Reasonable height, less offset in the triple trees will increase the Combined with longer fork tubes to keep the neck at a To cut his steering neck, custom raked triple clamps with less offsetĬan be designed. Some cases where the builder is going for a raked look and chooses not Your neck and positioning it for longer tubes, chopper style. Other but "kick out" the front end.or rake your chassis by cutting Of raked cups that keep the pivot and the fork tubes parallel to each Shorten the trail too much and lead to instability as the speed ![]() Using raked trees on a stock steering stem will These cases the raked trees bring the trail back to a shorter, more Really used where the bike has a raked neck of 40 degrees or more. Word to the wise: If you want to extend your stock Harley's front endīy using a set of raked triple trees.DONT! Raked triple trees are Pictured is a Big Dog K9 which has 39 degrees of rake, 3 degree raked trees, and 12" over forks. Use this calculator to see what the chassis, rake,įorks and triple clamps have to do with your magical "trail" figure. Harley-Davidson motorcyles can be raked and turned into the most Motorcycles or frames that have specialized triple clamps and frontĮnds. Firms like these can supply you with complete Or any one of a dozen other frame builders are your best source ofĪdvice on this subject. Reputable custom builders like Big Dog Motorcycles Not the 30" wheel slammed bagger routine. ![]() Kits" and he has wrestled with them calling them true POS. He has had customers bring him "bagger neck Bryan has done theseįor 40 plus years and will tell you even factory frames can be offīefore he modifies them. Is doing an "up and out 6" rake" on his frame jig. We made road race frames way over 3 decades ago and have been welding for almost four decades. ![]() Weldments are under tension and will move when cut. Without a frame jig not only can there be misalignment but there can be These "kits" whose bikes have handling issues like weaving at speed. We get calls from people who have installed We have no idea how you can cut and weld up a frame withoutĪ dedicated frame jig. Mania has spawned an industry of 30" billet wheels and kits to "chop" Suggestions in this area as we like to go 200mph, stomp on the brakes Trying to make these art forms work, people resort to putting aĭifferent rake in the triple clamps than is in the steering head in anĪttempt to bring the trail back into line. Things get complicated in the land of rake and Low speed "floppers".cruising for 50 miles with no hands With Jack Nicholson in tow "looking for adventure".Panheadsįorever!.
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