
The facts.
| Brand | K-Tech |
|---|---|
| Part Number | GBS-019 |
| Inner Diameter | 43.00 mm |
| Outer Diameter | 47.00 mm |
| Height | 15.00 mm |
| Wall Thickness | 2.00 mm |
| Material | Hardened steel with copper plating and PTFE-coated sliding surface |
| Quantity in Kit | 2 fork slider bushes |
| Fitment | Honda CBR 1000 RR / SP (2004–2019) |
DescriptionThe whole story▼
Engineered by K-Tech — a marque whose suspension expertise spans World Superbike and MotoGP paddocks — the GBS-019 fork slider bush kit is a precision-grade replacement for the front fork guide bushes on the Honda CBR 1000 RR and CBR 1000 RR SP. Across every model year from 2004 to 2019, this kit restores the exacting fork action that defines the CBR's reputation, delivering the kind of composed, linear response that worn OEM bushes gradually erode.
Key Features
- Hardened steel construction with a copper overlay for outstanding structural rigidity and resistance to corrosion over extended service intervals.
- PTFE-coated contact surfaces dramatically reduce sliding friction, giving the fork a supple, stiction-free action under both road and track conditions.
- Direct OEM-replacement fitment — drop-in dimensions match the original guide bushes precisely, with no modification required.
- Complete service kit: includes both fork legs in a single purchase, so one overhaul covers the full front-end assembly.
- K-Tech heritage: developed by the same engineers who supply suspension components to championship-level race teams, now made accessible for the CBR street and club-track rider.
Design, Finish and Heritage
K-Tech has built its identity on uncompromising manufacturing standards, and the GBS-019 reflects that philosophy in every detail. The copper-plated steel shell gives each bush a distinctive warm finish that makes identification easy during a strip-down, while the precisely applied PTFE layer on the sliding face speaks to the close-tolerance production processes K-Tech employs at its UK facility. These are not generic aftermarket bushes dressed in a premium wrapper — they are purpose-designed components that carry the same engineering DNA as K-Tech's race-proven cartridge kits and shock absorbers. For a CBR 1000 RR owner who demands the suspension to behave as Honda intended — or better — the GBS-019 is the logical service choice.
Performance and Ride Quality
Fork slider bushes are among the most overlooked service items on a high-performance sportsbike, yet their condition has a direct influence on steering precision and braking stability. As the interface between the inner and outer fork tubes, a worn bush introduces lateral play that manifests as a vague front end, mild weave under hard braking, and inconsistent feedback through the bars. Replacing with the GBS-019 restores the tight, rattle-free tolerances the CBR 1000 RR was built around. The PTFE coating ensures the fork moves freely and progressively through its full stroke, maximising the performance of any spring and damping setup — whether that is the stock unit or an upgraded K-Tech internal cartridge.
Installation Note
Installation requires complete fork disassembly and the use of appropriate assembly tools and torque settings. K-Tech recommends fitting by an authorised K-Tech Service Centre or an experienced suspension specialist to ensure correct seating and maximum safety. The kit is suitable only for the models and years listed below.
Fitment and Compatibility
This kit fits the following models exclusively:
- Honda CBR 1000 RR — 2004 to 2019
- Honda CBR 1000 RR SP — 2004 to 2019
Specifications
| Attribute | Detail |
|---|---|
| Part Number | GBS-019 |
| Brand | K-Tech |
| Inner Diameter | 43.00 mm |
| Outer Diameter | 47.00 mm |
| Height | 15.00 mm |
| Wall Thickness | 2.00 mm |
| Material | Hardened steel with copper plating and PTFE-coated sliding surface |
| Quantity in Kit | 2 fork slider bushes |
| Fitment | Honda CBR 1000 RR / SP (2004–2019) |
What's includedEverything in the box▼
- 2x K-Tech fork slider bushes for the front fork
FitmentWhich bikes this fits▼
- Honda CBR 1000 RR / SP (2004–2019)
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