K-Tech Race Steering Damper Kit – Yamaha YZF-R1 RN32, RN49 & RN65 (2015–2025) 055-55.YA10.22
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Designed from the outset for circuit use, the K-Tech Race Steering Damper Kit gives the Yamaha YZF-R1 (RN32, RN49 and RN65, 2015–2025) the precise, confidence-inspiring steering control that high-speed track work demands. Whether you are wrestling with a tank slapper on a fast straight or managing wobble through a long, loaded corner, this damper absorbs those uncontrolled inputs before they escalate — letting you focus entirely on lap time.
Key Features
- 22-way adjustable damping — dial in exactly the resistance your riding style and circuit conditions require, from flowing road courses to technical short tracks.
- CSC (Constant Safety Control) system provides consistent damping response in unexpected situations, reducing the risk of high-side or loss of control events.
- Low-friction design: the 8 mm piston rod features a dedicated surface treatment for smooth, progressive movement with no harsh spikes.
- Triple sealing arrangement — a dust wiper combined with a dual oil seal protects internal components from contamination and eliminates oil weepage.
- Nitrogen-pressurised reservoir prevents cavitation and foaming, ensuring damping performance stays constant across a full race session.
- Fully serviceable: replacement parts are available, making a rebuild straightforward and keeping lifetime running costs low.
- Plug-and-play fitment to the original mounting positions — no frame modifications required.
Track Performance & Engineering
K-Tech built its reputation supplying suspension components to World Superbike and British Superbike teams, and the Race Steering Damper carries that pedigree directly onto your R1. The single piston rod design ensures perfect axial alignment under load, eliminating side-forces that can introduce stiction into the stroke. High-quality bearings at both mounting eyes support lateral forces without binding, so the damper responds instantly to steering inputs rather than lagging behind them.
The 22-stage adjuster provides a wide but finely graduated range. At the softer end, the damper all but disappears from the rider's feel — ideal for tight, slow-speed sections. Wound up for a fast, open circuit, it delivers authoritative control over the front end without ever feeling wooden or restrictive. That bandwidth is what separates a race-developed unit from an aftermarket item designed purely for road touring.
Road Riding
The same qualities that make this damper excel on track translate directly to demanding road riding. High-speed motorway cruising, cambered A-roads and rough surface sections all generate steering disturbances that the CSC system quietly neutralises. The result is a motorcycle that tracks straight under power without requiring constant rider correction — reducing fatigue on long days and improving confidence in unfamiliar territory.
Fitment & Compatibility
This kit is engineered specifically for the following Yamaha models:
- Yamaha YZF-R1 RN32 (2015–2016)
- Yamaha YZF-R1 RN49 (2017–2020)
- Yamaha YZF-R1 RN65 (2021–2025)
The damper mounts directly to the original OEM bracket — no drilling, cutting or custom fabrication is required. Installation should be carried out exclusively by an authorised K-Tech Service Centre, as the work requires specialist tools and techniques to ensure full performance and safety of the unit.
Specifications
| Parameter | Value |
|---|---|
| Internal diameter | 18.00 mm |
| Piston rod diameter | 8.00 mm |
| Overall length | 230.00 mm |
| Stroke | 55.00 mm |
| Upper mounting type | Eye |
| Upper mounting bolt diameter | 8.00 mm |
| Lower mounting type | Eye |
| Lower mounting bolt diameter | 8.00 mm |
| Adjustment | 22-way |
| Mounting | Fits original bracket |
| Part number | 055-55.YA10.22 |
| Brand | K-Tech |
|---|---|
| Part number | 055-55.YA10.22 |
| Type | Race steering damper |
| Fitment | Yamaha YZF-R1 RN32 (2015–2016), RN49 (2017–2020), RN65 (2021–2025) |
| Internal diameter | 18.00 mm |
| Piston rod diameter | 8.00 mm |
| Overall length | 230.00 mm |
| Stroke | 55.00 mm |
| Adjustment | 22-way |
| Upper mounting type | Eye, 8.00 mm bolt diameter |
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1x K-Tech Race Steering Damper for Yamaha YZF-R1 RN32, RN49 and RN65 (2015–2025)
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Mounting hardware for straightforward installation
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// K-Tech
K-Tech Race Steering Damper Kit – Yamaha YZF-R1 RN32, RN49 & RN65 (2015–2025) 055-55.YA10.22

Tech specs
- Brand
- K-Tech
- Part number
- 055-55.YA10.22
- Type
- Race steering damper
- Fitment
- Yamaha YZF-R1 RN32 (2015–2016), RN49 (2017–2020), RN65 (2021–2025)
- Internal diameter
- 18.00 mm
- Piston rod diameter
- 8.00 mm
- Overall length
- 230.00 mm
- Stroke
- 55.00 mm
- Adjustment
- 22-way
- Upper mounting type
- Eye, 8.00 mm bolt diameter
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
Frequently asked questions
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