
The facts.
| Brand | Bonamici Racing |
|---|---|
| Part number | SM51 |
| Material | Ergal 70/75 CNC-machined aluminium |
| Rise | 15 mm |
| Sweep | 6.5° downward |
| Mounting points | 2 at handlebar, 2 at fork |
| Safety feature | Integrated anti-slip system |
| Fitment | Kawasaki ZX-6R / 636 / RR (2009-2026) |
| Country of manufacture | Italy |
DescriptionThe whole story▼
Built for the track and engineered for precision, the Bonamici Racing SM51 handlebar transforms the ergonomics of your Kawasaki ZX-6R, 636 or RR into a focused, race-ready platform. A 15 mm rise combined with a 6.5° downward sweep places you in an aggressive, committed tuck that slashes lap times and sharpens corner entry response — exactly what a middleweight supersport demands when the pit lane closes and the racing begins.
Key Features
- Race-optimised geometry: 15 mm rise and 6.5° downward tilt deliver a low, aggressive riding position that maximises feel and feedback on circuit.
- CNC-machined from Ergal 70/75 aerospace-grade aluminium — an alloy chosen for its exceptional strength-to-weight ratio and resistance to fatigue under repeated high-load inputs.
- Integrated anti-slip safety system locks the handlebar in place under hard braking and rapid direction changes, eliminating any rotational play.
- Four-point mounting system — two clamp points at the handlebar and two at the fork top — ensures a rigid, rattle-free installation that holds its position regardless of track conditions.
- Precision fitment developed specifically for the ZX-6R / 636 / RR across model years 2009 to 2026; no modification or adapter required.
- 100% Made in Italy, manufactured to Bonamici Racing's exacting motorsport standards.
Performance on Track and Road
The SM51 is the direct result of Bonamici Racing's involvement in competitive motorcycle sport. The 15 mm rise might appear subtle on paper, but paired with the 6.5° sweep it repositions weight forward over the front wheel, improving traction feedback through corner apexes and reducing fatigue during sustained high-speed sections. The Ergal 70/75 construction absorbs vibration more effectively than standard cast components, letting you feel exactly what the front tyre is communicating rather than a filtered approximation of it.
On the road the same geometry pays dividends in confidence and comfort on long, flowing routes — the position is sporting without being punishing, making the SM51 an equally valid upgrade for riders who visit the track occasionally but ride hard every day.
Build Quality
Ergal 70/75 is a high-strength aluminium alloy widely used in aerospace and motorsport applications. Bonamici Racing CNC-machines the SM51 from solid billet, producing a handlebar with tight dimensional tolerances, a clean anodised finish, and long-term resistance to corrosion. Every unit leaves the Italian facility having met the same quality checks applied to the brand's World Supersport and Superstock components.
Fitment & Compatibility
The Bonamici Racing SM51 handlebar is a direct-fit replacement for the following models:
- Kawasaki ZX-6R (2009-2026)
- Kawasaki ZX-636 (2009-2026)
- Kawasaki ZX-6RR (2009-2026)
Specifications
| Specification | Detail |
|---|---|
| Brand | Bonamici Racing |
| Part Number | SM51 |
| Material | Ergal 70/75 CNC-machined aluminium |
| Rise | 15 mm |
| Sweep | 6.5° downward |
| Mounting points | 2 at handlebar, 2 at fork |
| Safety feature | Integrated anti-slip system |
| Fitment | Kawasaki ZX-6R / 636 / RR (2009-2026) |
| Country of manufacture | Italy |
FitmentWhich bikes this fits▼
- Kawasaki ZX-6R / 636 / RR (2009–2026)
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