How Is Rear Suspension Measured on a Mountain Bike?
Choosing and tuning a rear suspension most often depends on the terrain you intend to ride on. It is also important to take into account your weight, riding style and the relevant information provided by the manufacturer.
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Function
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Rear suspension is widely used in downhill racing. A rear suspension provides a smooth riding experience, making the rider more comfortable and better able to handle rough terrain. It is therefore important to be familiar with the travel and functioning of the suspension you are using.
Types
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Correct rear suspension set-up ensures an enjoyable ride no matter the conditions. Rear suspension is available in either pneumatic or coil variants. Though the two types may differ in construction, the manner in which suspension, or "travel," is measured follows the same basic procedure.
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Basics
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Full suspension bikes are far more versatile than hard tail bikes. All air must be released from the suspension and the shock fully compressed by either sitting on the saddle or by pushing down on the seat as hard as possible until the shock bottoms out. This allows for the suspension's maximum travel to be measured.
Method
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Tightening a length of a zip tie around the base of the shaft of the shock will allow you to measure the maximum travel used when the shock compresses. When the shock is compressed, the zip tie will be pushed to the furthest point reached. This information can then be used to determine whether the shock requires adjustment.
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References
Resources
- Photo Credit vtt 01 image by Philcopain from Fotolia.com mountain bike world cup 2006 image by Doug Stacey from Fotolia.com cycling image by Imre Forgo from Fotolia.com mountain bike image by JCVStock from Fotolia.com