Wilbers 640 Series Rear Shock / Rebound & Preload Adjustments / R12
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Wilbers 640 Series Rear Shock / Rebound & Preload Adjustments / R12

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Shock Type: EMULSION
Code: 640-1371-00
Price: $817.00
Note: YOU WILL ENTER YOUR WEIGHT & LOAD INFORMATION AFTER YOU ADD TO CART:
FOR MOST ACCURATE BUILD, PLEASE ANSWER ALL QUESTIONS, BELOW:
Do you ride with a passenger?:
Is your bike standard height?:
The suspension lengths shipped to you will be based on the information you provide. We are not responsible for return shipping costs or other expenses resulting from incorrect or missing information provided with your order:
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Description
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The BMW R12 is a classic bike with a low seat height of 755mm. This seat height is achieved by the standard low suspension travel of 90mm, both front and rear.

As a result, the tuning of the fork is not successful. The combination of spring, preload and air chamber offers great potential for improvement.
The fork runs on block very quickly due to too much negative travel and too small an air chamber. This means that only very little suspension travel can be used comfortably.

The Wilbers fork spring conversion with suitable preload and larger air chamber makes optimum use of the fork's short stroke.

In conjunction with the longer shock absorber and an improved combination of spring and preload, the Wilbers conversion achieves significantly improved response behavior and considerably more comfort while maintaining the same seat height!

This makes the BMW R12 more fun!

Wilbers model 640 is a rear shock with:

  • Rebound damping adjust.

  • Available with either Threaded or Hydraulic Preload Adjuster for optimum sag setup. (see *Recommendation, below)

  • Fully rebuildable and five year warranty.

    Three Spring & Knob color choices:

  • Blue Springs with Red Knobs.

  • Black Springs with Grey Knobs.

  • Blacked out with Red Knobs.

  • See menu above to select.


    • *Recommendation: Please note that it is extremely difficult to access the Threaded Preload Adjuster on this model.  Therefore it is HIGHLY recommended that this product be purchased with the Hydraulic Preload Adjuster option.  The Threaded Preload Adjuster is designed for the rider whose loads do not change and therefore seldom needs to adjust the spring tension on the rear shock.

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