Merida Reacto 4000 (Gunmetal Grey/Silver)

Looking for an aero bike that delivers speed, precision, and comfort without compromise? The MERIDA REACTO 4000 is built for riders like you—whether you're entering the world of racing, challenging yourself on club rides, or chasing podiums in fast-paced crits.

Its lightweight CF3 carbon frame offers race-proven geometry for sharp handling and explosive acceleration, while the S-FLEX carbon seat post and 30 mm tyre clearance ensure a smooth ride even on rough roads. Powered by the latest Shimano 105 12-speed groupset, you get ultra-smooth shifting and reliable braking, so you stay in perfect control at all times.

At Mastermind Bikes, we choose only the best for performance-driven cyclists. The REACTO 4000 isn’t just an aero bike—it’s your key to riding faster, pushing harder, and leaving limits behind.

Ready to ride? Take your performance to the next level with the MERIDA REACTO 4000.