🖤 Aero Speed. Honest Spec. Serious Value.
The 2027 Reacto 4000 delivers the thrill of speed at a price that’s hard to ignore.
Built around the latest CF3 Generation V aerodynamic carbon frame (~1,185g size M) and paired with Shimano 105 and hydraulic disc brakes, the 4000 is the ideal starting point for aspiring racers and performance-focused road riders.
You get the exact same super-aero frame shape as the top-level Reacto models — just paired with smart, reliable components.
The 2027 Merida Reacto 4000 in Silk Black combines the lightweight CF3 aero carbon frame with Shimano 105 hydraulic disc brakes and reliable performance components. The perfect entry point into true aero road performance.
🎨 Colour – Silk Black (Gunmetal Grey)
Stealth silk black finish
Subtle gunmetal grey detailing
Clean and aggressive race aesthetic
Understated performance look
A timeless, fast-looking colourway that works in all conditions.
🎨 Colour – Silk Black (Gunmetal Grey)
Stealth silk black finish
Subtle gunmetal grey detailing
Clean and aggressive race aesthetic
Understated performance look
A timeless, fast-looking colourway that works in all conditions.
🏆 Why The Reacto 4000 Is So Important
The latest Reacto platform improves:
Aerodynamic efficiency
Frame weight balance
Tyre clearance up to 32mm
Comfort and crosswind stability
The CF3 frame uses the exact same aerodynamic shaping and stiffness values as the flagship CF5 models.
That means even at this level, you’re riding genuine aero race DNA.
The 4000 is:
Race ready straight from the box
Upgrade-friendly as you progress
An ideal first aero bike
⚙ Key Performance Highlights
CF3 Lightweight Carbon Aero Frame (~1,185g size M)
Shimano 105 12-Speed Mechanical
Hydraulic Disc Brakes
Merida Expert CW Wheelset
Continental Grand Prix 28mm Tyres
Merida Expert CW Handlebar
Merida Expert SL Stem
S-FLEX Carbon Aero Seatpost
Disc Cooler Technology
Garmin Carrier + Mount Inserts Included
GoPro / Light Mount Included
Tyre clearance up to 32mm
🧠 Technology Breakdown
CF3 Generation V Carbon Frame
Aerodynamically identical to top-tier models
Approx. 1,185g (size M)
BB86 bottom bracket
12mm thru-axles
Fully internal routing
Integrated Disc Cooler
A true aero platform — not just an aero look.
Shimano 105 with Hydraulic Disc Brakes
12-speed gearing
52/36 chainset
11–34 cassette
Reliable, powerful braking
Proven durability
A dependable and race-ready groupset trusted by serious road riders.
Merida Expert CW Wheelset
19mm internal rim width
30mm rim height
Shimano TC500 hubs
Centrelock disc
A solid and durable wheelset ideal for training, racing and upgrading later.
🎯 Who Is The Reacto 4000 For?
Riders stepping into carbon aero bikes
Aspiring racers
Club riders upgrading from alloy frames
Cyclists wanting aero performance at an accessible level
Riders who plan to upgrade wheels later
This is the perfect entry into the Reacto aero family.
📐 Geometry & Fit
Race-focused Reacto geometry delivers:
Aggressive aero positioning
Stable descending
Predictable crosswind behaviour
Available sizes: XS – XL
Tyre clearance: Up to 32mmProfessional sizing advice and bike fitting available at The Endurance Hub.
🏪 Why Buy From The Endurance Hub?
Buying your first aero bike is a big step.
✔ Expert sizing consultation
✔ Professional bike fitting options
✔ Precision workshop build
✔ Finance available
✔ Ongoing servicing support
✔ A performance-focused teamWe’ll make sure your Reacto 4000 is set up perfectly and ready to ride.