Bonamici Racing PSB1 top yoke for BMW S1000RR K46 in anodised black aluminium
02 · Data & docs

The facts.

Technical data
BrandBonamici Racing
Part NumberPSB1
ComponentTop yoke (upper fork bridge), street version
MaterialHigh-tensile aluminium billet
FinishAnodised black / anodised silver
FitmentBMW S1000RR K46 (2015-2018)
Key Block PlatePre-machined recess included (street-ready)
InstallationDirect bolt-on, no modifications required
Origin100% Made in Italy
DescriptionThe whole story▼

Machined from high-tensile aluminium and finished to exacting Italian standards, the Bonamici Racing PSB1 top yoke brings genuine race-shop construction to the road-going BMW S1000RR K46. This is the street-specification upper yoke — engineered for riders who demand precise, confidence-inspiring steering without sacrificing everyday practicality.

Key Features

  • Constructed from high-tensile aluminium billet for outstanding rigidity and long-term durability without unnecessary weight penalty.
  • Available in anodised black or anodised silver — both finishes are corrosion-resistant and complement the S1000RR's aggressive aesthetics.
  • Street version pre-machined to accept the ignition key block steering plate, retaining all road-legal controls without modification.
  • Bolt-on fitment designed exclusively for the BMW S1000RR K46 (2015-2018) — no cutting, drilling or frame modification required.
  • 100% Made in Italy, manufactured under Bonamici Racing's motorsport quality standards used across their full race-component range.

Premium Materials and Build Quality

The PSB1 is the product of Bonamici Racing's long involvement in Italian circuit racing, where component integrity is non-negotiable. The yoke body is CNC-machined from solid high-tensile aluminium, giving it a density and rigidity that cast or pressed alternatives simply cannot replicate. The anodised surface treatment — available in either satin black or silver — seals the aluminium against moisture and road contaminants, keeping the component looking and performing as new across years of road use. Every machined face and mounting bore is held to tight tolerances, ensuring the fork legs clamp uniformly and the steering head bearing seats perfectly.

Street-Optimised Design

Unlike Bonamici Racing's track-only yoke configurations, the PSB1 street version retains the prepared recess for the ignition key block steering plate. This means the ignition lock, steering lock and associated wiring integrate cleanly, exactly as the factory intended. The result is a premium aftermarket upgrade that looks and functions immaculately on the road, with no loss of convenience or legality. Steering feel is direct and reassuring — the kind of precision that builds rider confidence whether commuting or pushing hard on a mountain pass.

Fitment and Compatibility

This top yoke is engineered specifically for the following model:

  • BMW S1000RR K46 — model years 2015, 2016, 2017, 2018

Always verify your frame code and model year before fitting. The PSB1 is not compatible with pre-2015 or post-2018 S1000RR generations.

Specifications

Brand Bonamici Racing
Part Number PSB1
Component Top yoke (upper fork bridge), street version
Material High-tensile aluminium billet
Finish Anodised black / anodised silver
Fitment BMW S1000RR K46 (2015-2018)
Key Block Plate Pre-machined recess included (street-ready)
Installation Direct bolt-on, no modifications required
Origin 100% Made in Italy
FitmentWhich bikes this fits▼
  • BMW S1000RR K46 (2015–2018)
07 · Support

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