Shock Absorber Type 641 Competition
The Triumph Tiger Sport 660 is delivered with linear fork springs. The Wilbers upgrade uses progressive fork springs for a more responsive front end and substantially more reserve in the second spring rate than the stock linear design. The standard fork is also slightly overdamped in rebound; our setup corrects this for a smoother, more controlled ride.
At the rear, the OEM progressive spring has a very poor block value that keeps the rider riding in the second, overly stiff rate — the bike feels harsh and unstable. Wilbers replaces it with a linear spring and optimizes rebound and compression damping, delivering clearer road feedback, greater comfort, and improved safety. To balance the Tiger’s rear-heavy stance, we also increase negative spring travel accordingly.
This shock absorber connects its compression tank to the main body via a flexible steel hose — perfect where space is tight. The hose can be positioned where airflow aids cooling (e.g., along the rear frame). High- and low-speed compression are each adjustable in 22 clicks, rebound is set via an open-bleed system with 22 clicks, and preload is continuously adjustable.
Product may vary from picture.
2025 Triumph Tiger Sport 660 | LG22
SKU
641-1338-00
Please answer the questions below to ensure your suspension will be set up correctly for your carried weights.
Let customers speak for us
I tried two after market rear shocks on my‘23 Road Glide and wasn’t pleased at all with either set. My wife gave me an evil eye when I-told her I had ordered another set (3rd set) of shocks. About an hour into our first ride on the Wilbers she acknowledged the Wilbers were a huge improvement.
The shocks are very easy to install and make the ride as smooth as can be.
Fantastic upgrade that really improves the ride.
Can’t rave enough about the set-up! Two weeks after installation, I went on a 9 day ride from Staten Island NY to Key West FL and back, with various stops in between. The bike handled so smoothly, it was the best long ride i ever had. Never bottomed out either! I’ve been recommending the Wilber’s Nivomat suspension & EPM Performance to everyone I meet. Thank you.
What a great product. So much better than stock. Easy set up and go. No more 3 different adjustments.
Front cartridges for my 2021 Harley heritage softail classic. Solid and stable w no bouncing and jittering. Huge difference from stock.
I have about 50 miles riding on this shock so far. It works and feels great.
I had hyperpro one inch lowered shock and springs installed at epm, on my 2025 z650, great service, (thank you guys). Before the install i could feel every bump in the road, after the ride was very smooth except for very large holes. total different bike. Very satisfied.