Focus Whistler 3.9 Maschere Gone are the days when

Gone are the days when the best materials and technologies were reserved for clipless footwear

Super tough texture for a non-slip grip

In conclusion

LENS TECHNOLOGY

CLAMP Suitable for ø25

Focus Whistler 3.9 Maschere Gone are the days whenA wheel size that fits your height With WHISTLER you get the ideal wheel size to match your height and needs: WHISTLER in sizes XL to M comes with 29" wheels. Sizes S and XS have 27. 5" wheels. Reliable braking power and integrated design When facing risky situations, you need a partner you can rely on. Thats why we equipped our WHISTLER with disc brakes to ensure consistent braking performance and optimal braking behavior in all weather conditions.