A progressive rate spring has the advantage of a rising rate resistance to compression.
Progressive fork springs sportster.
Progressive suspension fork springs for harley sportster street.
The kit features a set of gas charged monotube damper cartridges and a set of custom tuned fork springs in stock and lowered versions.
Installing progressive fork springs on my 2013 harley sportster superlow.
Progressive suspension is the best way to lower your motorcycle.
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.
Replaces all of the oem fork internals.
If the springs do not extend out of the fork tubes the required 3 4 a piece of pvc plastic tubing spacer will need to be cut and placed above the springs so as the spacer sticks out of the folk tube the required 3 4 distance.
This pvc tubing should be included in the progressive spring kit.
Fork oil level volume should be checked according to the steps outlined in your authorized shop manual.
Spacer length must be calculated according to instructions included with fork springs.
I always go progressive springs up front to avoid sagging and keeping a safe solid ride.
Progressive suspension s state of the art fork cartridge kit represents the peak of performance front end handling.
High performance motorcycle suspension including shocks and springs for harley honda suzuki yamaha and kawasaki.
Progressive will provide you with everything you need including instructions.
Due to the design of a progressive wound fork spring it will displace more oil thus requiring a maximum oil level of 5 5.
High performance motorcycle suspension including shocks and springs for harley honda suzuki yamaha and kawasaki.
Progressive rate fork springs have several advantages over straight rate springs.
This purchase and review is for my 97 harley sportster that has 8 over fork tubes.
2010 harley davidson xl1200c sportster 1200 custom fitment notes.
Measurement of your fork oil by level is the preferred method.
However some manuals only specify a volume measurement.
Progressive suspension is the best way to lower your motorcycle.
2010 harley davidson xl1200l sportster 1200 low fitment notes.