Wilbers Zero Friction Progressive Fork Springs | F900XR
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Wilbers Zero Friction Progressive Fork Springs | F900XR

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Code: 600-0597-00

Price: $193.00

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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Wilbers Zero Friction Progressive Fork Springs have several advantages over linear springs. A Progressive Rate Spring has the advantage of a rising rate resistance to compression. The benefit of this is that the spring can be soft enough at the start of the travel to offer a "plush" ride, yet be firm enough at the end of the travel to soak up the big bumps and dramatically reduce nose-dive under deceleration and braking.

Don't forget the Fork Oil!  You will need 1 Liter of 7wt or 10wt for these springs.

Please note:

7wt oil is recommended for general purpose and for more dirt road riding.

10wt oil is recommended for sport-oriented street riding.

Air chamber is 140mm with springs removed and forks completely compressed.


Instructions for setting air chamber: 

 

1) Remove fork spring and drain old oil. 

2) Compress fork fully with spring removed.
3)  Add oil until oil level is the prescribed distance from the top of the tube - this is your air chamber.
Piston rods should be pumped several times to dispel any remaining air before final measurement is made.

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