
The facts.
| Brand | K-Tech |
|---|---|
| Part number | GBS-018 |
| Inner diameter | 43.00 mm |
| Outer diameter | 46.00 mm |
| Height | 15.00 mm |
| Wall thickness | 1.50 mm |
| Material | Hardened steel with copper coating and PTFE contact surface |
| Supplied quantity | 2 bushings (pair) |
| Fitment | Aprilia RSV4 / Tuono V4 series (2004, 2006–2026) |
DescriptionThe whole story▼
Smooth, precise fork action underpins every aspect of a confident ride, and the K-Tech GBS-018 slider bushing kit delivers exactly that for Aprilia RSV4 and Tuono V4 owners. Engineered to OEM dimensions, this kit replaces worn fork guide bushings with components built for long-term durability and low-friction performance — keeping your front-end feeling planted and responsive mile after mile.
Key Features
- Hardened steel shell with copper coating resists corrosion and handles the sustained loads of road and track riding without premature wear.
- PTFE contact surfaces reduce friction to a minimum, ensuring the fork glides smoothly through its full travel with no stiction or binding.
- Manufactured to exact OEM specifications for a precise, rattle-free fit that restores factory-standard fork geometry.
- Supplied as a pair so you can carry out a complete bushing refresh in one service — no partial replacements, no unbalanced feel.
- Wide fitment coverage spanning Aprilia RSV4 and Tuono V4 models from 2009 through 2026, including APRC, RF, RR, and 1100 Factory variants.
Construction & Performance
The GBS-018 bushings combine a hardened steel body with a copper intermediate layer that distributes load evenly and protects against fretting corrosion where steel-on-steel contact would otherwise accelerate wear. The inner bearing surface carries a PTFE liner that dramatically lowers the coefficient of friction, translating directly into a more supple fork action. Whether you are chasing lap times at the circuit or covering long distances on the road, the result is a front end that tracks accurately and absorbs bumps without the harshness that tired, worn bushings introduce.
Fitment & Compatibility
- Aprilia RSV4 1000 Factory (2009–2011)
- Aprilia RSV4 1000 Factory APRC (2011–2015)
- Aprilia RSV4 1000 RF (2015–2019)
- Aprilia RSV4 1100 Factory (2019–2026)
- Aprilia Tuono 1000 R (2004)
- Aprilia Tuono 1000 R Factory (2006–2010)
- Aprilia Tuono V4 1100 Factory (2015–2020)
Installation Note
Installation must be carried out exclusively by an authorised K-Tech Service Centre. Professional fitting is critical to ensure correct fork function and rider safety.
Specifications
| Inner diameter | 43.00 mm |
|---|---|
| Outer diameter | 46.00 mm |
| Height | 15.00 mm |
| Wall thickness | 1.50 mm |
| Part number | GBS-018 |
What's includedEverything in the box▼
- 2x fork slider bushings
FitmentWhich bikes this fits▼
- Aprilia RSV4 / Tuono V4 (2009–2026)
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
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Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
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Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.