Progressive Fork Springs Standard Vs Heavy Duty

A progressive rate spring has the advantage of a rising rate resistance to compression.

Progressive fork springs standard vs heavy duty.

The shocks are available in chrome or black covers and springs. As the bike is much lighter than stock i opted for the 412 series shocks in standard rather than heavy duty configuration. 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. I have 444 heavy duty rears and they feel great on my rk.

The difference is related to total shock travel transition zone and spring length. Spring rates have been chosen to reduce front end dive during braking yet still provide excellent ride comfort and also balance the weight of a bike laden with greater than average loads. It s my understanding that the difference between the heavy duty and the regular progressive shocks are the springs. Improves handling while maintaining oem geometry.

Purchase the progressive suspension heavy duty stock length fork springs at j p cycles your source for aftermarket motorcycle parts and accessories with free everyday tech support. Get free shipping 4 cashback and 10 off select brands with a gold club membership when you get a progressive suspension heavy duty stock length fork springs part number 11 1536 from j p cycles. The design is much more focused on the specific use for the spring. The heavy duty progressive rate fork springs soak up small road bumps yet are firm enough to absorb the ones that shake the kidneys.

Spring rates have been chosen to reduce front end dive under braking. The second type of progressive rate suspension springs the dual rate spring with two linear rates connected with a rate transition range is a much more sophisticated suspension spring. These springs are not suspension main springs but are supplemental springs. In other words the 90 130 lb in spring which is considered heavy duty for longer shocks is a completely different spring than the 90 130 lb in spring which is standard on shorter shocks.