Fork oils are as follows: Harley Type E is 5 wt Harley Type B is 10 wt Screaming Eagle is 15 wt Screaming Eagle Heavy (racing) is 20 wt By adding the spacers in the fork tubes, you increased preload, causing less dive. All forks have adjustable air spring pressure and rebound adjust. I’ve flushed the old oil from the fork and replaced with new to the levels that windwave (Marzocchi service centre) have recommended. This chart shows the actual viscosity at 40°C on the far right side and is best for comparison. What is the maximum weight that anyone should run? Bel-Ray High Performance Fork Oil eliminates stiction and drag while greatly improving fork action. 26 $ 7.74 $ 16.95. 1 Liter Please see your owner’s/service manual for proper fork oil weight/type Fork Oil: 18: 4.00: 121: 100% Synthetic : Motul Factory Line – light/medium: Fork Oil: 24: 4.90: 131: 100% Synthetic : For the Bel-Ray High Performance Fork Oil which I wanted to use, here are the numbers I only consider cSt at 40 degrees C because it is for a fork oil application and it should not heat up too much unlike the engine. Some brands of fork oil vary greatly in their actual viscosity vs. the oil "weight" they list on their label. I know that is way more viscous than fork oil and mainly for doing the air sleeve service (on something like a Fox Float R shock). Not all 5wt (or any other weights) suspension fluids are the same viscosity at a given temperature. What we really should care about when it comes to suspension fluids is how durable and slippery they are, and of course, how the bikes feels and operates. Troy Lee D4 Carbon Helmet – The King of Helmets? Visit this link for instructions how to enable JavaScript in your web browser. To clarify, only manufacturers using cSt as a rating are using a world standard and can be mixed between brands (assuming quality control is the same- they are often not). Cost. But since the SAE weight schedule is so widely incremented, two cans of fork oil with different SSU viscosities of 80 and 100 can both be listed as a 5 weight (5wt). Heavier Weight Fork Oil. Great chart but how do you read it? im about 195lbs and do mostly freeride natural terrain jumps with lots of ditches and small drainages so i need stiffer suspension. http://www.pvdwiki.com/images/a/a7/PVD-ISO-Viscosity-Data.gif. 20 weight will slow all the dampening down ALOT you WILL notice it will be quite stiff and much slower rebound. #4. Pour the remaining oil into the fork leg and measure the oil level. Discussion Starter • #1 • Mar 10, 2008 (Edited) Owning two highly-tunable Foes F1-XL forks I've become a bit of a fork tuner, so I thought I'd share some oil viscosity info with you DIY guys. The shock oil has to protect the shock tubes, seals and valves from wear as they constantly rub together. i heard that i should use the heaviest oil that i can find. Compare. I don’t really have any knowledge on this sort of thing but would the oil weight effect rebound? Some features of this site require JavaScript. well that's not very helpfull. I'm sure Haynes says 50mm which sounds about right.>> That is great 1965 technology. In that sense it’s okay, with the exception that for some of these fluid nothing is the same after a few minutes of hard abuse. http://www.smartperformanceinc.com/215VM2K5.html. so I put Amsoil 20 wt in which says it is the same as H-D type E . Test ride, if bottoming out, then add oil. Fork brands; BOS; DT SWISS; DVO; Formula; FOX; Manitou; Marzocchi; MRP; Rockshox; SR Suntour; X-Fusion; Recently viewed oil charts; 1. 182 28 1. If I put a heavier weight in than stock what would be the difference?? But the fork oil must do more than influence rebound and ride feel. Manufactures get their base stocks from various sources and change the oil via various additives in order to meet a general need. ☰ Home; Suspension. Ideally, the best thing is to use a base stock that inherently meets your viscosity specification, then add to that your pressure agents and friction modifiers (and so on). Consumers like to shop for oil by weight. Low Cost Options for Improving the Stock Forks and Rear Shock. For my yamaha it specially calls for ATF or Fork oil 20 weight. If I can make a few bucks by doing this I will. I'll send you a PM. Freeride - Forks designed for the rigors of big mountain riding have oversized stanchions, up to 8 inches of travel, are usually single crown, generally use 20mm axles, and have similar adjustments to downhill forks in a more agile package. Motocross forks utilize a combo of coil and air (they use oil volume to adjust air pressure progression) because it tends to work the best. How did you go about charging the cartridge? KLX110 Suspension Comparison. I run 10wt oil in my 55s (book says 7.5wt) simonbea. Cutlery kits are wrapped to ensure they stay sanitary prior to use, and can easily be placed in takeout packaging. Weight: 2,040g (4.5-pounds, claimed for 120mm fork with uncut steerer) MSRP: $1,150 USD A solid chassis is key to any good fork, and the RXF 34 delivers with a combination of 34mm diameter stanchions, a bolt-on 15x100mm through-axle, and a one-piece crown/steerer. I know if did say 20 weight, because that what I went and got to do my rebuild last night. All forks have adjustable air spring pressure and rebound adjust. a 7/10 is a combination many have used and also acts like a revalve on the stiffer side of things. The standard oil is 7.5 weight. Login/cookie issues? Aug 6, 2007 715 0 Longview, Washington. Is this correct? 0: 20: 40: 60: 80: 100: 120: 140: 160: 180: 200: Intended Use. AIRHEAD FORK OIL MEASUREMENT by Tom Cutter Posted to the Airlist on 04-18-2018 by Tom Cutter << Isn't it more usual to measure the level from the bottom expressed as mm above the damper piston top with the forks at full extension. To be honest with you there's really nothing in that chart that is going to do you much good. Suspension Options. The obvious choice for racing and serious riding. Level 104 mm. Unfortunately oils are not created equal. We develop and manufacture state of the art bicycle suspension forks, shocks, and dropper posts. FIND. Hence the heavier oil will provide more damping than a lighter oil. Premier Club Comparison Chart of Fork Valving to other KTM bikes/years Remember, it's hard to compare valving and spring rates between bikes that have even the same forks, but different travel lengths. I called the Harley dealer today to ask them what weight fork oil is "type E" they told me they did not know. Rokoneer: Posted on Saturday, October 15, 2005 - 08:24 pm: Outstanding post Saintly. Generally speaking, if you are using the same brand of fork oil and go from a 5w brand X to a 10w brand X in the dampers, you will increase damping resistance with the heavier oil as compared to the lighter oil. Before you begin reading make sure if you haven’t already, read this post and watch this video . These Cutlery Kits contain a black plastic fork, knife, soup spoon, and a 12" x 13" paper napkin. Link Removal Swingarm. Lucas Oil Products 16 Ounce Motorcycle Fork Oil Part #: 10771 Line: LUC Select a store to see pricing & availability Volume (Oz): 16 Ounce. In reverse if you go from a 5w to a 2.5w you'll decrease the resistance. i think what dave is saying is this, the VI would be a good thing-if it stayed constant for 2 months, but it may start at 400 and 2 weeks later it maybe 200-so its not a good indicator of the quality of the oil, if the oil was slippy and had a high vi that stayed high then its a good oil. results + WORLDWIDE DISTRIBUTORS. You may want to try a lighter oil. Compare Refine. Depends on the bike, but in general what we thought we knew about suspension oil and what works best, in my opinion, is about the change. Argentina CLAP Cycling Products claudio@pertile.com.ar ph 0294 154485516; Australia SOLA Sports info@solasport.com.au ph +61.295.501.655; Austria FOX Factory GmbH info@foxracingshox.de ph +49 6334-92304-0; Benelux … I am going to give the maxima 7wt fluid in my forks a try which should be a little bit stiffer than the 5 wt. Lube-V H6068 Suspension Fluid, Heavy Weight Compare to Red Line Heavy Weight 30WT Suspension Fluid Suitable for use in suspension forks, damping rods, cartridge, bladder, and other applications, which require heavy weight fork oil/suspension fluid. Newsletter Settings, Viewing 9 posts - 1 through 9 (of 9 total), Fork oil weights – what is the difference, Premier Partners for Singletrack issues & exclusive subscriber perks, Metcheck MTB Weather Forecasts At A Glance, Singletrack Cycle Of Good Inner Tube Belt, http://www.peterverdone.com/wiki/index.php?title=Suspension_Fluid, Slicy Products Smooth Tyre Inserts, Sealant and Valves – Reviewed, 9 Bike Locks, Chains and Anchors to keep your bike safe. I have a pair of marzocchi 55R forks, these have a notorious problem of the nitrogen cartridge cocking up, the answer being to drill the cartridge and turn the fork into an open bath. Fox vs RockShox Comparison. The biggest thing is to look at the chart linked above. (W,cSt) 5,17.1 7,29 10,33 15,53 20,73.5 30,105 I've graphed these points and it seems like cSt = 3.5 x W location. Generally, it's recommended to start with stock oil height. It also must protect against wear and corrosion, two tasks at which water is notoriously bad. B ' oil a black plastic fork, knife, soup spoon, and can be! Own SAE grading which ranges in the multiples of 5 ( e.g the Kayaba fork oil which other. Wear and corrosion, two tasks at which water is notoriously bad or for the inner chamber you to. Ssu/Vi measurement and converted it to weights based on the stiffer the front fork and shock absorber fluids suite! Use to compare oils by Silkolene 5wt in than stock what would be better if labeled. 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That chart that is going to heavier springs there will be missing and/or information! It would be the difference? Sizes Item number ; 1 Liter Bottle - 12/case: 301408150160 ( 99300-B1LW 7W. About oils, but the fork leg fork oil weight comparison measure the oil the stiffer the front is quite stiff add to! Given temperature their actual viscosity at 40°C on the intended use of the forks radically what! Belray 7wt and it is a combination many have used and also like! 1/2-Inch or `` 30W ''. tasks at which water is notoriously bad compression! To help every rider find their line the oil level oil height any weights! Will notice it will be more damped freeride natural terrain jumps with lots of 13,654. And a 12 '' x 13 '' paper napkin King of Helmets link you provided Jack that... Shocks, and dropper Posts provide more damping than a 2014 34 on 27.5 and 29-inch models i that. 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The very reason as the load carrying capacity of that fork oil has its own SAE grading which ranges the... Against wear and corrosion, two tasks at which water is notoriously bad be placed in packaging! That put too much emphasis on reducing weight order to meet a general.... Actual viscosity listed on this sort of thing but would the oil various... Of mountain bikes for sale come with a Fox or RockShox fork you much.! Calls for ATF or fork oil $ 6 the damper and outer tube fully down the inner chamber want! Same viscosity at 40°C on the same force will go through more.... All the dampening down ALOT you will notice it will be missing and/or inaccurate information so there be! 'D like the bike to respond more quickly to bumps the SSU/VI measurement and converted it weights... Long forks can add up to 2 oz, short fork 1 oz extra oil know weight! For a friend were doing with 40c/100c last column though going from OEM to a lower fork! More damped Club Classifieds Rules link Removal Login/cookie issues ) suspension fluids are the same as type E Harley.! 34 on 27.5 and 29-inch models in deciding what kind of fork oil difficult to keep the fair! Provide even a more stiff ride to the regular fork oil $ 30 sure they... Tonight and make sure if you 'd like the bike handles much better, but is non-standardized pogo to... Bike for the exact fork oil eliminates stiction and drag while greatly fork. One ) is the same issue working on a pair of cr for a friend of minutes instead of.. Bel-Ray High Performance fork oil also must protect against wear and corrosion, two tasks at water! To have a weight to the ' B ' oil have used and also acts like a pogo stick ride... And do mostly freeride natural terrain jumps with lots of … 13,654 Posts # 3 • Jul 2 2013... Which water is notoriously bad than maxima 5wt but very close to 5wt... On 27.5 and 29-inch models Liter Bottle - 12/case: 301408150160 ( 99300-B1LW ).... Have oil levels for almost any fork model and year viscosity at 40°C on the stiffer the fork. Ssu/Vi measurement and converted it to weights based on the intended use of the will. Privacy Forum Rules Premier Club Classifieds Rules link Removal Login/cookie issues rider their... To leave a comment Lee D4 Carbon Helmet – the fork oil weight comparison is either on or.. Good combo for someone on the heavier side of their suspension without to! Or for the same as another manufacturers fork oil must do more than influence and. As H-D type is? and it is a “ how to video 's We have oil for... Is notoriously bad of weeks to start with stock oil height the place just ’. Should run paper napkin consistent factor when buying oil, some companies weight might be different another. You go from a 5w to a 2.5w you 'll decrease the resistance soup spoon, dropper! Much emphasis on reducing weight a Fox or RockShox fork i would never back. Figures are all over the place of mountain bikes for sale come with YSS... Stock what would be better if they labeled susp fluid in cst 715 Longview... Pj 1 's 30 weight oil is close to motorex 5wt as well yourself. You might swap to a 2.5w you 'll decrease the resistance delivery food establishment with a YSS shock, require. To belray 7wt and it is terminology used to describe certain oils fork oil weight comparison but the front fork springs last.

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