Buy Progressive Suspension 11-1536 Progressive Rate Fork SpringProgressive Suspension 11-1536 Progressive Rate Fork Spring Product Description:
- Progressive springs offer a soft initial spring rate for a plush ride
- Progressively wound design provides increased resistance to bottoming as spring compresses
- Improve handling while retaining OEM geometry
- A progressive rate spring has the advantage of a rising rate resistance to compression
- High quality chrome silicon wire
Product Description
The original progressive rate fork springs soak up the small road bumps, yet are firm enough to absorb the molar-rattling ones. Spring rates have been chosen to reduce front end dive during braking, yet still provide excellent ride comfort. They warranty the fork springs for life. Progressive rate fork springs have several advantages over straight rate springs. A straight rate spring only offers linear resistance to compression and is a compromise. For example, if you have a 20lb straight rate spring, it will take 20lbs of force to compress the spring one inch. It will take 20 more lbs. of force to compress it the next inch, and so on, until the end of the travel. A Progressive Rate Spring has the advantage of a rising rate resistance to compression. For example, a 15lbs. - 25lbs. progressive rate spring will take 15lbs. to compress it the first inch, 17lbs. more the next inch, and so on, until the end of the travel, taking 25lbs more to compress it the last inch. 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. Measures 1.48 inch OD by 14.75 inch length.
Customer Reviews
Most helpful customer reviews
0 of 0 people found the following review helpful.
Good Price Good Product
By Qmann
I replace my stock springs to the. I like fine, these are stock height and heavy duty. I am considering going to Progressive monotubes next....stay tuned
0 of 0 people found the following review helpful.Great solution for front end dive
By D. E. Ahlstedt
As my wife and I got older and "larger", our Ultra had an excessive front end dive under moderate to heavy braking. And stopping started to get a bit squirrelly. These springs (and a bit heavier fork oil) easily solved the problem. Took less than half a day to replace the springs and oil. Bike handles much better "two-up" and bags packed. no more "dive". And "one-up" handling is actually crisper in turns, and still maintains a "easy" touring ride. If you need to stop your bike from diving to a stop, with the associated control issues, this is an excellent solution.
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