K-Tech Fork Slide Bush Kit Yamaha YZF-R7 (2021–2026) GBS-014
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Engineered to OEM tolerances specifically for the Yamaha YZF-R7, the K-Tech GBS-014 fork slide bush kit replaces the original guide bushings with precision-manufactured components that restore and exceed factory fork performance. Installation must be carried out by an authorised K-Tech Service Centre using specialist tooling — a requirement that guarantees the safety and optimal function this suspension component demands.
Key Features
- Hardened steel construction with copper coating delivers outstanding durability and corrosion resistance in all riding conditions
- PTFE contact surfaces drastically reduce sliding friction, producing a notably smoother and more responsive fork action
- Manufactured to exact OEM specifications for a precise, rattle-free fit on the YZF-R7 fork legs
- Supplied as a pair, covering the complete fork rebuild in a single purchase
- Professional installation requirement ensures the safety-critical suspension work is performed to the correct standard
Build Quality & Performance
K-Tech's GBS-014 bushings combine a hardened steel shell with a copper intermediate layer and a low-friction PTFE running surface. This multi-layer construction is not simply an upgrade in feel — it is a considered engineering response to the wear mechanisms that degrade standard fork bushings over time. The copper coating bonds the PTFE layer while providing an additional barrier against corrosion, particularly relevant for road-ridden YZF-R7s exposed to wet or salted surfaces.
On track or on road, degraded fork bushings introduce play between the inner and outer tubes, compromising both handling precision and feedback. Replacing them with the GBS-014 kit restores the fork's designed operating clearance, returning the suspension to its intended geometry and allowing the fork internals — springs, oil, damping shims — to function as they were set up to do.
Installation & Safety
K-Tech stipulates that fitting must be performed exclusively by an authorised K-Tech Service Centre. Specialist tools and technical expertise are required to achieve correct installation. Attempting to fit fork bushings without the correct equipment risks damaging the fork tubes, introducing misalignment, or creating an unsafe condition. If you are unsure of your nearest authorised centre, contact Inter-Pace for assistance.
Fitment & Compatibility
This kit is developed specifically for the following model:
- Yamaha YZF-R7 — model years 2021, 2022, 2023, 2024, 2025, 2026
Specifications
| Parameter | Value |
|---|---|
| Inner diameter | 41.00 mm |
| Outer diameter | 46.00 mm |
| Height | 12.00 mm |
| Wall thickness | 2.50 mm |
| Material | Hardened steel with copper coating and PTFE contact surface |
| Supplied quantity | 2 bushings (pair) |
| Part number | GBS-014 |
| Brand | K-Tech |
|---|---|
| Part number | GBS-014 |
| Fitment | Yamaha YZF-R7 (2021–2026) |
| Inner diameter | 41.00 mm |
| Outer diameter | 46.00 mm |
| Height | 12.00 mm |
| Wall thickness | 2.50 mm |
| Material | Hardened steel with copper coating and PTFE contact surface |
| Supplied quantity | 2 bushings (pair) |
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2x fork slide bushings
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// K-Tech
K-Tech Fork Slide Bush Kit Yamaha YZF-R7 (2021–2026) GBS-014

Tech specs
- Brand
- K-Tech
- Part number
- GBS-014
- Fitment
- Yamaha YZF-R7 (2021–2026)
- Inner diameter
- 41.00 mm
- Outer diameter
- 46.00 mm
- Height
- 12.00 mm
- Wall thickness
- 2.50 mm
- Material
- Hardened steel with copper coating and PTFE contact surface
- Supplied quantity
- 2 bushings (pair)
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
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