K-Tech DDS Pro Shock Absorber BMW S1000RR K46 (2015-2018) 255-015-030-020
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Engineered from CNC-machined aluminium and precision-ground components, the K-Tech DDS Pro shock absorber sets the benchmark for rear suspension on the BMW S1000RR K46. Continuously refined through competition at the British Superbike Championship and the Isle of Man TT, every element of this unit reflects the exacting standards of professional motorsport — translated directly to your machine.
Key Features
- 5-way adjustability gives you complete command over suspension character, from fast road to full race track use
- 32-click compression and 32-click rebound damping adjustment allow precise, repeatable setup changes between sessions
- 16-click ByPass Valve (BPV) setting delivers fine-resolution control of low-speed damping, directly improving tyre feedback and traction
- Hydraulic spring preload adjustment enables rapid ride-height changes without tools
- Length adjustment allows geometry optimisation to suit individual track layouts and rider preferences
- CNC-machined components throughout deliver exceptional structural rigidity and long-term durability
- DDS technology includes integrated mounting points for a potentiometer, enabling full data-logging capability
- Wide spring rate selection in the 55-155 series accommodates riders of all weights and riding styles
Race-Proven Construction
The DDS Pro is not a road shock adapted for track use — it was conceived as a competition-grade unit from the outset. The ByPass Valve system, unique to K-Tech's DDS platform, operates independently of the main compression circuit, giving suspension engineers a dedicated tool for tuning low-shaft-velocity behaviour without compromising high-speed damping. The result is a rear end that communicates precisely what the tyre is doing, allowing the rider to carry more corner speed with confidence.
The 35 mm diameter RCU housing and 12 mm shaft are proportioned for stiffness under the lateral loads generated by high-performance road and race tyres. All external adjusters are clearly marked and offer positive, audible click detents — essential when making setup changes in a busy paddock or on the roadside.
Fitment and Compatibility
This shock absorber is specifically designed and validated for the BMW S1000RR K46, covering model years 2015, 2016, 2017 and 2018. Both mounting eyes share identical geometry — 30 mm width and 10 mm bolt diameter — ensuring correct alignment and eliminating the need for adaptors on standard-specification frames.
Installation requires specialist tooling and suspension-specific knowledge. K-Tech recommends fitting by an authorised K-Tech Service Centre to ensure correct setup and maximum safety.
Recommended Base Settings
- Compression: 8 clicks from fully closed
- Rebound: 10 clicks from fully closed
- Preload: 12 mm
- BPV: 8 clicks from fully closed
- RCU length adjustment range: 5 mm
Specifications
| Specification | Value |
|---|---|
| Part Number | 255-015-030-020 |
| Fitment | BMW S1000RR K46 (2015-2018) |
| Spring Series | 55-155 |
| Overall Length | 352 mm (tolerance -3/+3 mm) |
| Stroke | 62 mm |
| Spring Force | 95 N / 5.00 bar |
| Upper Mount | Eye | Width: 30 mm | Bolt diameter: 10 mm |
| Lower Mount | Eye | Width: 30 mm | Bolt diameter: 10 mm |
| RCU Housing Diameter | 35 mm |
| RCU Shaft Diameter | 12 mm |
| Compression Adjustment | 32 clicks |
| Rebound Adjustment | 32 clicks |
| BPV Adjustment | 16 clicks |
| Length Adjustment Range | 5 mm |
| Brand | K-Tech |
|---|---|
| Model | DDS Pro |
| Part Number | 255-015-030-020 |
| Fitment | BMW S1000RR K46 (2015-2018) |
| Spring Series | 55-155 |
| Overall Length | 352 mm (tolerance -3/+3 mm) |
| Stroke | 62 mm |
| Spring Force | 95 N / 5.00 bar |
| Upper Mount | Eye | Width: 30 mm | Bolt diameter: 10 mm |
| Lower Mount | Eye | Width: 30 mm | Bolt diameter: 10 mm |
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// K-Tech
K-Tech DDS Pro Shock Absorber BMW S1000RR K46 (2015-2018) 255-015-030-020

Tech specs
- Brand
- K-Tech
- Model
- DDS Pro
- Part Number
- 255-015-030-020
- Fitment
- BMW S1000RR K46 (2015-2018)
- Spring Series
- 55-155
- Overall Length
- 352 mm (tolerance -3/+3 mm)
- Stroke
- 62 mm
- Spring Force
- 95 N / 5.00 bar
- Upper Mount
- Eye | Width: 30 mm | Bolt diameter: 10 mm
- Lower Mount
- Eye | Width: 30 mm | Bolt diameter: 10 mm
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
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