Focus Whistler 3.8 Size:M/42 (29") Thanks to its robust construction

Thanks to its robust construction

With the O'NEAL CHALLENGER you choose a true highlight that will support you in every way

without the use of any tools

Pedala con sicurezza sapendo che il tuo pedale non toccherà il suolo e lascerà la concorrenza nella polvere

and braided carbon rails

Focus Whistler 3.8 Size:M/42 (29") Thanks to its robust constructionA wheel size that fits your height With WHISTLER you have 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.