Shock Absorber Type 640 TS Road
The standard suspension of the Harley Davidson "Revival" is tuned very hard, especially in the rear area, due to the high weight and the low suspension travel. Shocks are transmitted almost unfiltered into the frame, and the motorbike also tends to oscillate at higher speeds due to the tight set-up and the associated lack of negative spring travel.
With the Wilbers LDC Nivomat powered by ZF, we can create sufficient spring travel and enable comfortable riding by adjusting the spring rate to the load. Even riding with a pillion is pleasant and comfortable due to the automatic level control. The fork is optimised by using our progressive Zero Friction fork springs in combination with the appropriate Zero Friction fork oil as well as an adjustment of the air chamber. This guarantees a relaxed and safe ride even at higher speeds. Furthermore, the suspension geometry has been improved by adjusting the negative spring travel.
The basic edition of the Wilbers Adjustline mono shock absorber comes along with the same technology as the more complex versions. The difference is that here we leave out the compression reservoir and thus the options for adjusting high- and low-speed compression. Nonetheless this shock absorber does not make any compromises concerning response behavior or durability. The radial piston, wet run, teflon guided self-aligning bearings and other features redefine the quality of a standard shock. Like usual the spring preload can be continuously tuned and the rebound can be set over an open-bleed system in 22 clicks. The shock absorber can be retrofitted with many other Wilbers accessories.
Product may vary from picture.
ZF by Wilbers" (knop adjustment, only on the left) recommended
Additional Notes:
Compatible vehicles:
- 2023 Harley-Davidson Electra Glide Highway King FLHFB | FL3
Pickup available at EPM Performance Imports
Usually ready for pickup or shipment in 3-4 weeks.
Shock Absorber Type 640 TS Road
Edition: Blackline | Preload Adjuster: Hydraulic Preload Adjuster (ZF-PA) (Recommended) (+$305) | Lift/Lowering: Std
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EPM Performance Imports
Pickup available, Usually ready for pickup or shipment in 3-4 weeks.
3 Fedornak Freeway
Unit 1
Whiting NJ 08759
United States+17327869777
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Let customers speak for us
Excellent service, quick turnaround, HAPPY customer!
Great product great communication fast delivery!!!
5 star
Everything I wanted and never knew I needed. Spec’d perfect. Didn’t even have to adjust sag.
100 times better than stock, wife on back says nothing compared to ouch or ugh when we hit a bump
I have spinal stenosis, this was exactly what I was looking for.
huge improvement !
replaced the ktm garbage, which had completely failed and was bouncing and bouncing and bouncing
Excellent service throughout. Thank you!
Fits perfectly
Very high quality
If you have a 40–50 lb rider on a Husqvarna EE 5 (or KTM SX-E 5 / TC 50), swapping out the factory shock spring for this 25 N/mm spring is hands-down the single best suspension upgrade you can make.
The stock rear spring is notoriously oversprung for young kids. Before installing this, our rider was getting bucked over braking bumps, the rear end skittered out in flat turns, and it was physically impossible to dial in correct rider sag—even backed all the way out on the preload collar.
Swapping to the 25 N spring completely transformed the bike's balance:
True Sag Numbers: Finally allowed us to set proper race sag (targeting ~60–65 mm) while still maintaining healthy static free sag.
Chassis Balance: Balances out the front WP air fork so the bike stays level and planted instead of riding stinkbug into turns.
Instant Confidence: The rear wheel actually tracks through acceleration chop and ruts now rather than deflecting. Our rider felt the difference on lap one—much less fatigue and far more control over rough, choppy sections.
Fit and finish (47x130) are spot-on, drop-in replacement with the stock WP shock collars, and the coating holds up to roost and power washing. Don’t waste time fighting the stock spring if your kid is under 55 lbs—this 25 N spring fixes the rear end completely. Highly recommend!
Awesome addition to the 390. The spring had made 2 up riding much more comfortable.
Sterrring damper is amazing! Got rid of all the head shake at high speeds. I only have it 5 clicks in and it's working as it should. The guys at EPM are great. Thanks!
Got shipped out right away
Easy to install
