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2027 Merida

REACTO ONE

A carbon frame aero bike with ultra high-end components and shimano dura-ace hydraulic disc brakes.
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Manufacturer Price

9 500 £GB(10 957 €)
FrameCarbon
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 12 Electronic
GroupsetDura-Ace Di2
Power MeterRotor
BrakesShimano Dura-Ace Hydraulic Disc
View on merida-bikes.comLearn about Merida
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
REACTO ONE
Other Aero bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

66 km/h

REACTO ONE

64 km/h

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full REACTO model range

View Comparison
Sizing
XS

151cm – 164cm

SM

159cm – 170cm

MD

165cm – 177cm

LG

171cm – 184cm

🐐 Estimated

Rider Fit Notes
  • 176cm, size S, Just right
  • 196cm, size XL, Just right
  • 85cm, size S, Just right
  • 175cm, size SM, Fits small
Price History
Reviews
Bikerumor
<200W Merida Reacto 5 Aero Road Bike is One of World's Fastest; Versatile & Affordable, Too!

mars 2026 · Cory Benson

The new Merida Reacto 5 is the fastest aero road bike yet in benchmark GST wind tunnel testing, but it's more versatile, too!

Read Review

Cyclist
Merida Reacto 2026 review: First ride on Merida’s faster, narrower Reacto

mars 2026 · Ewan Wilson

Taiwanese brand Merida has launched the fifth generation of its Reacto aero road bike. While the brand has lost its

Read Review

Escape Collective
Merida’s new Reacto – More all-rounder than outright aero bike

mars 2026 · Alex Hunt

With a 14-watt gain and a geometry frozen in time, Merida’s fifth-generation Reacto chases balance alongside aero improvement.

Read Review

road.cc
Merida Reacto 9000

août 2025

Five years on, the Reacto is still a fast and planted aero road bike that is able to compete with the best in the category

Highs
  • Good specification

  • Sharp handling

  • Stiff bottom bracket

  • Stealthy appearance

  • Balanced geometry for an aero bike

Lows
  • No power meter

  • 30mm tyre clearance is dated

  • New model imminent

Read Review

Geometry
Specs
Build
Frame

REACTO CF5 V, material: carbon, 700x32C max. wheelsize, 100x12/ 142x12mm axle standard, BB86,5 bottom bracket standard

BB StandardBB86/BB92, Press Fit

Tire Clearance32c

Fork

MERIDA REACTO CF5 V DISC, material: carbon, 700x32C max. wheelsize

Bottom Bracket

FSA BB386 EVO BB86 Adapter, PF86

Headset

FSA ACR NO.55R, SL bearing (TH H2281 neck)

Stem

MERIDA TEAM CW AERO, material: carbon, 90mm (3S/XXS/XS), 100mm (S), 110mm (M/L), 120mm (XL)

Handlebar

MERIDA TEAM CW 1P, material: carbon, 380mm (3S-XXS-XS-S), 400mm (M-L), 420mm-(XL)

Saddle

Prologo Nago R4 PAS, Nack

Seatpost

MERIDA REACTO V S-FLEX, Aero Shape, 0mm setback, material: Carbon

TypeRigid

Groupset
Rear Derailleur

Shimano Dura Ace Di2

Crank

Rotor Alduh Carbon, 52 teeth, Power Meter, 155 mm-3S, 170 mm- XXS/XS/S/M, 172.5 mm- L/XL

Power Meter

Rotor Alduh Carbon, 52 teeth, Power Meter, 155 mm-3S, 170 mm- XXS/XS/S/M, 172.5 mm- L/XL

Shifters

Shimano Dura Ace disc Di2

Cassette

Classified 12 Speed Cassette, 11-34 teeth, 12 speed

Chain

Shimano M9100-12

Brakes

Shimano Dura Ace, Disc

TypeShimano Dura-Ace Hydraulic Disc

Brake Levers

Shimano Dura Ace

Wheels
Rims

DT Swiss ARC 1100 Dicut® DB 65 Classified, Classified Powershift hub, Centerlock, Shimano RD, material: carbon, Tubeless ready (tubeless tape included)

Front Hub

Classified Powershift Hub

Rear Hub

Classified Powershift Hub

Tires

Front: Continental Aero 111, 700x29C, fold, tubeless ready, Rear: Continental Grand Prix 5000S TR, 700x30C, fold, tubeless ready

Disc Rotors

Shimano CL900, 160mm

Rider Notes
Riders Also Viewed

First added 7 mars

Last updated 30 mai