Wilbers Zero Friction Progressive Fork Springs (-20mm low) / NC750X
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Wilbers Zero Friction Progressive Fork Springs (-20mm low) / NC750X

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Code: 600-0324-05

Price: $191.00

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Please see our lowering shocks, the X-CITE or the X-CITE-PAwhich are required when installing lowering fork springs on a standard height bike.  


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.

Although not required, SKF fork seals are highly recommended due to excessive stiction of stock fork seals.

Don't forget the Fork Oil!  You will need 1 Liter of 10wt or 15wt for these springs.

Please note:

10wt oil is recommended for general purpose and for more dirt road riding.

15wt 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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