K-Tech TRDS-R Rear Shock Absorber – Aprilia RSV4 / RR / 1100 Factory (2019–2026) – 261-020-010-020
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Born on the grids of the British Superbike Championship and proven at the Isle of Man TT, the K-Tech TRDS-R is the race shock absorber that brings championship-level suspension engineering within reach of privateer teams and budget-conscious competitors. Its clean, containerless silhouette and precisely machined body are a statement of intent before a single adjustment is made.
Key Features
- Through-Rod Damping System (TRDS) technology delivers exceptionally precise, consistent damping force across the full stroke — a design philosophy refined at the highest levels of British motorcycle racing.
- The 'R' in TRDS-R stands for Regulation: the unit is engineered to perform within current racing cost-cap and technical regulations, making elite suspension performance accessible without factory-level sponsorship.
- Compact, reservoir-free design saves weight and improves packaging, making it one of the lightest race shocks in its class.
- Revised internal composition and enhanced heat dissipation ensure damping characteristics remain stable and repeatable throughout extended race stints, even under sustained high-load conditions.
- 18-click compression and 18-click rebound adjustment (suggested baseline) give engineers granular control over chassis behaviour, with 4.00 mm of total RCU adjustment travel available.
- Recommended installation by an authorised K-Tech Service Centre ensures the unit is set up correctly for your specific application from the outset.
Design, Finish and Heritage
K-Tech's manufacturing heritage is woven into every detail of the TRDS-R. The unit carries the unmistakable aesthetic of a serious race component — no external reservoir to clutter the subframe area, no unnecessary hardware. The machined aluminium body and precision-ground 14 mm rod reflect the same standards that have seen K-Tech dampers carried to wins in BSB and across the Mountain Course at the TT. This is suspension hardware with a pedigree you can see as well as feel.
Through-Rod Technology Explained
Traditional monotube shock absorbers rely on a solid piston rod, which creates an imbalance between compression and rebound damping forces. K-Tech's Through-Rod design runs the rod completely through the damper body, equalising pressure on both sides of the piston. The result is a damping response that is more linear, more predictable, and far easier for a technician to fine-tune — a genuine advantage when chasing lap times with limited testing time.
Fitment and Compatibility
This shock absorber is a direct-fit replacement for the following Aprilia models:
- Aprilia RSV4 (2019–2026)
- Aprilia RSV4 R (2019–2026)
- Aprilia RSV4 RR (2019–2026)
- Aprilia RSV4 RF (2019–2026)
- Aprilia RSV4 1100 (2019–2026)
- Aprilia RSV4 1100 Factory (2019–2026)
Specifications
- Spring series: 59-150
- Length: 315 mm
- Stroke: 60 mm
- Compression adjustment: 18 clicks (suggested baseline)
- Rebound adjustment: 18 clicks (suggested baseline)
- Preload: 5 mm (suggested baseline)
- RCU adjustment travel: 4.00 mm
- RCU body diameter: 45 mm
- RCPU rod diameter: 14 mm
- Part number: 261-020-010-020
- Installation: authorised K-Tech Service Centre recommended
| Brand | K-Tech |
|---|---|
| Model | TRDS-R |
| Part Number | 261-020-010-020 |
| Fitment | Aprilia RSV4 / RSV4 R / RSV4 RR / RSV4 RF / RSV4 1100 / RSV4 1100 Factory (2019–2026) |
| Spring Series | 59-150 |
| Length | 315 mm |
| Stroke | 60 mm |
| RCU Body Diameter | 45 mm |
| RCPU Rod Diameter | 14 mm |
| RCU Adjustment Travel | 4.00 mm |
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// K-Tech
K-Tech TRDS-R Rear Shock Absorber – Aprilia RSV4 / RR / 1100 Factory (2019–2026) – 261-020-010-020

Tech specs
- Brand
- K-Tech
- Model
- TRDS-R
- Part Number
- 261-020-010-020
- Fitment
- Aprilia RSV4 / RSV4 R / RSV4 RR / RSV4 RF / RSV4 1100 / RSV4 1100 Factory (2019–2026)
- Spring Series
- 59-150
- Length
- 315 mm
- Stroke
- 60 mm
- RCU Body Diameter
- 45 mm
- RCPU Rod Diameter
- 14 mm
- RCU Adjustment Travel
- 4.00 mm
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
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