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Instructions Burley, Modèle Chubby

Fabricant : Burley
Taille : 383.92 kb
Nom Fichier : 4840b0cd-f53b-4189-9178-4aee34983d1a.pdf
Langue d'enseignement: en
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We suggest different spring rates for our bikes and forks because different riders place different loads on bicycles. Spring selection is also affected greatly by rider preference. More aggressive riders may desire their springs to be stiffer, while a more recreationally oriented rider may like a softer ride with softer springs. Experimentation with different spring rates may be necessary to find the correct set up. Spring Selection Tables Consult the tables below to select the spring set that’s best for you. Remember, these are recommendations. You may wish to try stiffer or softer springs than recommended due to the terrain you ride, your riding style, and personal preference. Rider Weight Chubby (each leg) Chubby LT (each leg) up to 140 3 Blue, 3 Tan 4 Blue, 4 Tan 130-170 1 Blue, 5 Tan 2 Blue, 6 Tan 160-200 6 Tan 8 Tan 190-230 5 Tan, 1 Pink 7 Tan, 1 Pink over 230 4 Tan, 2 Pink 6 Tan, 2 Pink Replacing Springs on the Chubby and Chubby LT The Chubby comes equipped with six elastomers and one coil spring per leg, and the Chubby LT has eight MCU springs and one coil spring. NOTE: Aftermarket forks are supplied with two additional pink Springs for modification of your Chubby. Your Chubby can be stiffened by replacing a standard tan spring with a stiff pink spring. To change springs, simply follow the instructions below. 1. Loosen upper triple clamp stanchion bolts. 2. Unscrew preload adjusters with the Chubby Wrench and remove spring stack. 3. To change springs, pull stack apart and replace MCU springs with harder springs towards the top of the stack. Changing MCU Springs ! ! ! Adjusting Preload Measuring OptimumSuspension Sag 4. Reinstall spring stack and preload adjuster into stanchion tube 5. Retorque all triple clamp bolts to 85 in-lbs. CAUTION: All Chubby fork bolts should be tightened to the proper torque when servicing your fork. Failure to torque all bolts properly can result in failure during use and severe injury. WARNING: Make sure preload adjuster is installed fully. Failure to do so could lead to fork bottoming out and serious injury. Preload Preload is the amount of load placed on a spring to increase the spring rate in the initial part of the travel. All of our Chubby forks feature adjustable preload. Preload is used to help achieve the proper amount of suspension sag for your bike or fork. Suspension sag is the amount a shock compresses under the weight of the rider. All suspension systems should exhibit some amount of suspension sag. Noleen forks should all be set up properly with a certain amount of sag. The optimum sag amount for all of our front suspension systems is 20% of the total wheel travel. For example: Our Chubby LT has 125mm / 5 in. of travel. To calculate the optimum sag for this fork, multiply 125mm by .2. The answer gives you a suggested sag , which for the Chubby is 25mm / 1 in. Optimum suspension sag: Chubby 20mm Chubby LT 25mm To measure the amount of sag: 1. Before you begin measuring, It helps to compress the fork a few times to overcome any initial friction there may be in the shock. This will help in obtaining an accurate measurement. 2. Measure the distance between a point on the lower leg of the fork (bottom edge of the fork boot, for example) and a point on the upper part of the fork (The bottom of the lower triple crown) with no weight on the bike. 3. Then measure from the same two points with a rider on the bike. (You will need some help with this). The difference between the two measurements is the amount of suspension sag. 4. To increase preload on the Chubby, turn preload adjuster caps clockwise. To decrease the preload on the Chubby, turn preload adjuster caps counterclockwise. 5. If you have increased the preload fully and are still getting too much sag, you may need to change the spring stack in the fork. Remember: The correct amount of preload can only be achieved with the proper suggested spring stack. Damping Damping is the action of controlling the rate at which a shock compresses and extends. The rate at which a spring compresses and extends can be controlled by a number of ways. The Chubby forks use an air damper in each leg to control the rate of rebound and compression. Air dampers work very well if tuned properly and are also very light. In the Chubby fork, the combination MCU / coil spring stack works well with the air damper. The first type of damping is rebound damping. Rebound damping controls the rate at which the spring extends back to its optimum sag length. If the spring extends too quickly, the suspension will exhibit a "bouncy" or "lively" feel. Too much rebound damping will cause the shock to feel "dead" or "unresponsive". The other type of damping is compression damping. Compression damping assists the spring to control the rate of shock compression. A fork that has too much compression damping will feel stiff or inactive over small bumps, and a fork with too little compression damping will feel too soft and tend to bottom out quickly. The ...

Ce manuel est également adapté pour les modèles :
Vélos - Chubby (383.92 kb)
Vélos - Chubby LT (383.92 kb)
Vélos - Chubby LT (383.92 kb)

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