K-Tech Razor-R Spring Kawasaki Ninja 400 (18-23) 279S-018-150-005
K-Tech Razor-R Spring Kawasaki Ninja 400 (18-23) 279S-018-150-005
Delivery time on request
K-Tech Razor-R Sprbein for Kawasaki Ninja 400 (2018-2023)
Article number: 279S-018-150-005
Increase performance and handling of your Kawasaki Ninja 400 (2018-2023) With the high quality K-Tech Razor-R Federbein. This premium spring bone was specially developed in order to be noticeably improved compared to the standard equipment Performance, Driving stability And a sportier one Driving experience to offer.
Thanks to the adjustable Compression and rebound in damping, Spring preload and Length adjustment the strut can be optimally tailored to your individual driving requirements. The nitrogen filling (N2) ensures constant damping performance, even with high stress.
Equipped with the 46-150-140 spring, the shocking bone offers maximum stability and control. For a perfect coordination on different driver weights and areas of application are Different spring thicknesses available.
Product advantages of the K-Tech Razor-R Federbein:
✔️ Increased performance and control: Improved traction and stability for sporty driving.
✔️ 14-way adjustable compression damping: Fine tuning for optimal performance.
✔️ 16-way adjustable rebound in damping: Exact control in the event of quick changes of direction.
✔️ Adjustable spring tension: Perfect adaptation to the driver's weight and driving style.
✔️ Length adjustment: Flexible adaptation of the seat height and the handling.
✔️ Filled with nitrogen (N2): Prevents foam formation for constant damping.
✔️ Simple assembly: Suitable and easy to exchange.
✔️ Sporty design: High quality optics to match the Kawasaki Ninja 400.
Technical data from the K-Tech Razor-R Federbein:
- Feather: 46-180 series (46-150-140)
- Total length: 320.00 mm
- Local tolerance: -4 mm / +6 mm
- Hub: 65.00 mm
- Spring: 95.00 N
- Gas pressure: 10.00 bar
- Upper bracket: Eye, 30.00 mm width, 10.00 mm bolt diameter
- Lower bracket: Eye, 40.00 mm width, 10.00 mm bolt diameter
- Compression clicks: 14
- Rebound clicks: 16
- Preliminary tension: 10 mm
- RCU setting: 4.00 mm
- Diameter RCU housing: 35.00 mm
- Diameter RCU rod: 14.00 mm
Scope of delivery:
- 1x K-Tech Razor-R Federbein for Kawasaki Ninja 400 (2018-2023)
- Assembly hardware For a simple and safe installation
Mounting instructions:
⚠️ Danger: The installation should only be done by a Authorized K-Tech Service Center take place.
🔧 Special tools and specialist knowledge are required for professional assembly to ensure the maximum performance and safety of the spring.
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About Us
About Us
Our passion for quality and innovation drives us to offer you the best products and services for motorcycle enthusiasts. From exclusive high-performance parts to tailor-made solutions — your riding experience is at the center of everything we do.
Shipping & Returns
Shipping & Returns
We ship with DHL and FedEx — and on request, we also offer express shipping. If an item is in stock, express shipping is possible in many cases within 1 business day. The standard delivery time is about 2–5 business days domestically, and typically about 1 week worldwide. Please check the available shipping options and transit times in the shopping cart, as we offer multiple shipping service providers depending on the country.
Returns must be registered in advance by email and are possible according to our return policy (14 days to request a return + 14 days for the return shipment after approval). Please note: Unregistered returns will not be accepted. All details on terms, exceptions, and refunds can be found in our return policy.
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More Infos in our FAQs
Email our team – we’ll get back to you as soon as possible.
How long does it take to process my order?
How long does it take to process my order?
If the item is in stock, we typically process your order very quickly—often the same day for dispatch.
Our processing times are Monday to Friday, 07:30–16:30.
Do you ship internationally?
Do you ship internationally?
Yes, we ship worldwide. Shipping is carried out depending on the country and selection with DHL or FedEx.
What is your return policy?
What is your return policy?
Returns must be registered in advance by email. You can request a return within 14 days of receiving the item, and you have another 14 days to send it back after approval.
Important: Unregistered returns will not be accepted. You can find all details in our cancellation policy.
What does “Delivery time on request” mean?
What does “Delivery time on request” mean?
“Delivery time on request” means that the item is usually not immediately in stock and may need to be ordered separately. Please contact us before purchasing – we’ll check availability and provide you with the estimated delivery time.
Do you offer express shipping?
Do you offer express shipping?
Yes, we offer express shipping. If an item is in stock, dispatch can often be completed within 1 business day (depending on the country and shipping option). You can see the available shipping methods in the cart.
