21-Speed ​​Aluminum Bike – Lightweight, Durable, and Versatile | Sergio Bianchi Cycles

21-Speed Aluminum Bike – Performance and Comfort on Every Route

The 21-speed aluminum bicycle from Cicli Sergio Bianchi is the ideal choice for those seeking a versatile, lightweight, and high-performing bike, perfect for both city riding and mixed, hilly, and suburban routes. The ultra-light aluminum frame ensures agility and responsiveness on every type of road, reducing fatigue and increasing the joy of cycling.

With the Shimano 21-speed gear system, this men’s aluminum city bike easily handles steep climbs, fast descents, and long flat stretches, perfectly adapting to every riding style and fitness level. A complete and ready-to-use urban trekking bike.

✨ Why Choose This 21-Speed Bike?

Compared to 6-speed bikes, the 21-gear system offers a much wider range of gears, allowing you to optimize effort on any type of route. Ideal for those who want a versatile bike for city and countryside, capable of handling both urban traffic and country roads or hilly bike paths around Florence.

🔧 Technical Features

• Frame: Lightweight aluminum – sporty geometry designed for maximum riding comfort
• Gear system: Shimano 21-speed – wide range of gears for every type of route
• Wheels: 28" – optimal rolling on asphalt, dirt, and mixed terrains
• Brakes: Aluminum V-brakes – precise and reliable braking in all conditions
• Seat post: Adjustable aluminum – adaptable to rider’s height
• LED lighting system front and rear – safety in all lighting conditions
• Rear rack – practical for bags, backpacks, and accessories
• Sporty design with geometry optimized for comfort and performance
• 2-year warranty

🚲 Ideal For

• Urban commuters who face mixed routes daily
• Those looking for a city and countryside bike with multiple gears
• Active cyclists wanting a lightweight bike for excursions and leisure
• Those seeking an affordable yet high-performing 21-speed aluminum bike
• Those wanting a versatile bicycle for daily use and sporty weekends

🛡️ Quality and Support from Sergio Bianchi

Every bicycle is delivered assembled, tested, and ready to ride. Includes a 2-year warranty and after-sales support at our store in Florence at Via San Gallo 38/42r. Our team of experts is available for personalized advice, adjustments, and maintenance. Available at our Florence showroom!

🌟 Special Offer

Special price: €319.90 (instead of €387.00) — Save over €67 on this 21-speed aluminum bike, lightweight, versatile, and ready for every two-wheel adventure.