K-Tech DDS Closed STK Cartridge Kit BMW S1000RR K67 (19-26) 155-019-030-021
K-Tech DDS Closed STK Cartridge Kit BMW S1000RR K67 (19-26) 155-019-030-021
Delivery time on request
K-Tech DDS Closed STK Cartridge Kit for BMW S1000RR K67 (2019–2026) – top-tier racing damping, approved for Superstock 1000!
Get the ultimate suspension performance for your BMW S1000RR K67 (19–26) with the K-Tech DDS (Direct Damping System) Closed STK Cartridge Kit. This high-end damping system was developed specifically for the stock fork and, thanks to a 20 mm piston and 31 mm control valves, delivers optimized oil flow. This enables precise and consistent damping control – even under the toughest race conditions.
The patented DDS design prevents cavitation and guarantees maximum stability. The independently operating damping circuits (asymmetric system) noticeably improve dynamics and response time. With the pressurized spring force, the system remains stable at all times.
✅ Approved for Superstock 1000 classes – perfect for professional motorsport!
Product highlights:
- 30-way adjustable compression and rebound damping for custom suspension setup
- 18 mm preload adjustment for precise fine-tuning
- DDS technology for consistent and precise damping
- 8 mm piston rod to minimize system offset
- 20 mm piston for improved oil flow and optimal damping
- 31 mm control piston for a more refined ride feel and fast response
- Patented design to prevent cavitation
- Increased travel compared with the original cartridge
- Proven in racing: British Superbike, Isle of Man TT
Scope of delivery:
- 3 pairs of springs for individual setup
- Special tools for easy spring changes
Technical data:
- Spring: 36-260 series
- Inner diameter: 20 mm | 32 mm
- Outer diameter: 8 mm
- Length: 712 mm
- Oil/air gap: 175 mm (recommended)
- Travel: 120 mm
- Compression clicks: 16 (recommended)
- Rebound clicks: 18 (recommended)
- Preload: 10 mm (recommended)
Important note: Proper installation should be carried out exclusively by an authorized K-Tech Service Center. This is the only way to guarantee maximum safety and full performance.
Item number: 155-019-030-021
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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 — if requested, also via express. If an item is in stock, shipping via express can, in many cases, be delivered within 1 business day. Standard delivery time is typically about 2–5 business days within the country, and worldwide usually about 1 week. Please check the available shipping options and transit times in the cart, as we offer several shipping 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 return shipping deadline after approval). Please note: Unregistered returns will not be accepted. You can find all details on the terms, exceptions, and refunds in our return policy.
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More information in our FAQs
Write to our team via email – we’ll get back to you as quickly 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 usually process your order very quickly; in many cases it can even be shipped the same day.
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 the selection, via 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, after approval, you have another 14 days to send it back.
Important: Unregistered returns are not accepted. All details can be found in our cancellation policy.
What does “delivery time on request” mean?
What does “delivery time on request” mean?
“Delivery time on request” means the item is generally not in stock right away and may need to be ordered separately. Please contact us before purchase – we’ll check availability and tell you 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, in many cases shipping can be completed within 1 business day (depending on the country and shipping option). You can see the available shipping methods in the shopping cart.

