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Mountain Bike Rear Suspension Pds Research Paper

The system also has to undergo thousands of cycles and vibrations and needs to be able to stand up to the same reliability standards as the rest of the components on the bike. Conventional and Proven Rear Suspension Designs

Given all of the previously mentioned considerations, the design itself is important in making sure the rider and the manufacturer are getting the most out of the system.

The Fox Racing Homepage (2011) has some excellent examples of both the strut style rear suspension as well as the shock with spring and strut combination system. The latter is typically reserved for use on higher-end advanced bikes since these systems are costlier and requires more maintenance. To be more specific, the Van RC product represents the higher-end strut and spring combination while the Float design is a basic, oil dampened design for use on more entry-level designs. The Van RC model is also an excellent example of a model that can be adjusted by hand for different rider weights and conditions. The spring can be compressed or decompressed using a screw-on/screw-off style actuator ring.

Another brand of rear suspension shock is DT Swiss. These shocks are similar to the Fox Racing products in that they incorporate an air and spring combination, but the DT Swiss shocks are fully enclosed and can only be adjusted manually through a spring compressing screw at the top of the strut. This keeps contaminants out while allowing for an easier adjustment by the rider at home. These struts incorporate similar designs as the Fox Racing ones do but do not allow for the same level of adjustability or customization since the internal air pressure cannot be adjusted. The DT Swiss XR Carbon and the M. 210 are the low and high-end designs, respectively, and both incorporate an...

Most systems require a regular check for oil or air pressure within the enclosed strut system (Bu, et. al., 2010 p. 46) and can involve regular tune-ups and adjustments. This can become costly for the rider depending on whether or not it is adjustable at home or if the manufacturer is willing to support the product in terms of helping to pay for maintenance and adjustment. Typically, the manufacturer will warrantee against defects but leave the maintenance and adjustments up to the rider.
The Fox shocks are serviceable with a Fox Racing air pump that can be purchased separately in order to adjust the air pressure within the struts themselves. The DT Swiss system is entirely enclosed and represents an easier maintenance schedule since they cannot be filled or released depending on the rider. The DT Swiss system is costlier but represents some major gains in functionality as well as ease of use and low maintenance tendencies.

References

Bu, Yan; Tian Huang, Zhongxia Xiang, Xiaofan Wu and Chun Chen. (2010). "Optimal design of mountain bicycle based on biomechanics." Transactions of Tianjin University,

Volume 16, Number 1, 45-49.

DT Swiss Homepage. (2011). Accessed Jan. 5 at:

http://www.dtswiss.com/Products/Suspension/DT-Swiss-Shocks.aspx.

Fox Racing Homepage. (2011). Accessed Jan 5 at: http://www.foxracingshox.com/bike/shocks.

Xiang, Zhongxia | Bu, Yan | Liu, Han | Huang, Tian. (2008). "Optimal Design Method for Mountain Bike Rear Suspension Mechanism." Chinese Journal of Mechanical Engineering. Vol. 44, no. 10, pp. 283-287.

Sources used in this document:
References

Bu, Yan; Tian Huang, Zhongxia Xiang, Xiaofan Wu and Chun Chen. (2010). "Optimal design of mountain bicycle based on biomechanics." Transactions of Tianjin University,

Volume 16, Number 1, 45-49.

DT Swiss Homepage. (2011). Accessed Jan. 5 at:

http://www.dtswiss.com/Products/Suspension/DT-Swiss-Shocks.aspx.
Fox Racing Homepage. (2011). Accessed Jan 5 at: http://www.foxracingshox.com/bike/shocks.
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