K-Tech Fork Slide Bush Kit BMW S1000RR K46 (2009–2018) GBS-027-15
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Precision-engineered from hardened steel with a copper coating and PTFE-lined contact surfaces, the K-Tech GBS-027-15 slide bush kit sets a measurably higher standard than OEM replacements for the BMW S1000RR K46. Every detail of the construction is aimed at smoother fork movement, sharper initial response and longer service life — exactly what serious riders and race-prep technicians demand from a suspension rebuild.
Key Features
- Hardened steel construction with copper coating for outstanding durability and corrosion resistance under repeated fork cycling
- PTFE-lined contact surfaces reduce friction dramatically, giving the fork a more supple, responsive feel across all road and track conditions
- Direct OEM-equivalent dimensions (46.00 mm inner diameter, 50.00 mm outer diameter, 15.00 mm height, 2.00 mm wall thickness) for a precise, rattle-free fit
- Complete set of two bushes covers both fork legs in a single service interval
- Part number GBS-027-15 manufactured to K-Tech's exacting quality standards, used worldwide by professional suspension technicians
Build Quality and Materials
The choice of hardened steel as the base material is deliberate: it resists deformation under the lateral loads generated during hard braking and cornering, retaining its geometry far longer than softer alloy alternatives. The copper coating acts as a secondary protective layer, guarding against micro-corrosion where fork oil, moisture and road contaminants inevitably find their way. Overlaying both is a PTFE surface treatment on every contact face, bringing the coefficient of friction down to a level that lets the fork respond to even the smallest road inputs without stiction or hesitation.
Performance on Road and Track
Worn or degraded fork slide bushes are one of the most overlooked causes of vague steering feel and inconsistent braking performance. Replacing them with the K-Tech GBS-027-15 kit restores the tight tolerances the S1000RR's suspension geometry relies on, resulting in more predictable turn-in, better mid-corner stability and more confident braking. Whether the bike is used daily on challenging roads or pushed hard on circuit, the PTFE-to-steel interface keeps stiction to a minimum lap after lap.
Fitment and Compatibility
The GBS-027-15 is designed exclusively for the BMW S1000RR K46 produced from 2009 to 2018. It is a direct replacement for the original front fork guide bushes on that platform and fits no other model. Installation requires specialist tooling and suspension knowledge; K-Tech recommends fitting by an authorised K-Tech Service Centre to ensure correct seating and to avoid damage to fork tubes or seals.
Specifications
- Inner diameter: 46.00 mm
- Outer diameter: 50.00 mm
- Height: 15.00 mm
- Wall thickness: 2.00 mm
- Material: hardened steel with copper coating and PTFE contact surfaces
- Quantity: 2 slide bushes per kit
- Part number: GBS-027-15
- Fitment: BMW S1000RR K46 (2009–2018)
| Brand | K-Tech |
|---|---|
| Part Number | GBS-027-15 |
| Type | Fork slide bush kit |
| Material | Hardened steel with copper coating and PTFE contact surfaces |
| Inner Diameter | 46.00 mm |
| Outer Diameter | 50.00 mm |
| Height | 15.00 mm |
| Wall Thickness | 2.00 mm |
| Quantity | 2 slide bushes |
| Fitment | BMW S1000RR K46 (2009–2018) |
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2x K-Tech fork slide bushes (GBS-027-15)
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// K-Tech
K-Tech Fork Slide Bush Kit BMW S1000RR K46 (2009–2018) GBS-027-15

Tech specs
- Brand
- K-Tech
- Part Number
- GBS-027-15
- Type
- Fork slide bush kit
- Material
- Hardened steel with copper coating and PTFE contact surfaces
- Inner Diameter
- 46.00 mm
- Outer Diameter
- 50.00 mm
- Height
- 15.00 mm
- Wall Thickness
- 2.00 mm
- Quantity
- 2 slide bushes
- Fitment
- BMW S1000RR K46 (2009–2018)
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
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