Key features

Approximately 1,185 g aero carbon frame (size M): meaningful weight savings that translate directly into speed on the road
Full Shimano 105 mechanical 12-speed groupset with hydraulic disc brakes — reliable, precise shifting and confident stopping in any weather
Tubeless-ready Merida Expert CW wheels paired with Continental Grand Prix 700×28C Kevlar tyres for a smoother ride and fewer flats
Aero carbon seatpost and saddle with integrated multi-tool keep the bike sleek and race-ready at all times

Merida REACTO 4000

Merida REACTO 4000 — aero carbon frame and Shimano 105 12-speed for riders who mean business.

Available sizes

SOn order

2 599,00 €

Pay in 3× €866.34 at no extra cost with Alma

Or finance your bike

Renting individual95,59 €/month

Store availability

Liège · On order Brussels · On order

Not in store, but available to order — delivery within ~14 days.

Bike delivered before 29 October 2026

Free in-store pickup or €50.00 delivery

Delivered ready to ride

Easy returns within 14 days

Secure payment

Description

The REACTO 4000 BLACK (BLACK) 2027 is a high-performance road bike, designed to offer an optimal blend of aerodynamics and comfort. With its CF3 carbon frame, it guarantees exceptional lightness and rigidity. This model is designed to compete with much more expensive machines, while still being accessible to ambitious riders.

The REACTO 4000 stands out with its super-aerodynamic frame shape, identical to that of high-end models, which significantly improves aerodynamics and reduces drag. Thanks to the ability to accommodate tires up to 32mm, it also offers versatility on different types of roads. The Shimano 105 drivetrain ensures precise and responsive gear changes, while the hydraulic disc brakes guarantee powerful and controlled braking, even in difficult conditions.

This bike is ideal for ambitious road cyclists and racers who seek both performance and comfort. Whether for leisure outings on the road or competitions, the REACTO 4000 is ready to take on all challenges. With its thoughtful design and carefully selected components, it provides an excellent basis for future improvements as the rider progresses.