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2026 Merida

REACTO 9000

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

$9,999
Weight7.5 kg  
FrameCarbon
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 12 Electronic
GroupsetUltegra, Ultegra Di2
Power Meter4iiii
BrakesShimano Ultegra 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 9000
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 9000

64 km/h

Similar Bikes

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

156cm – 166cm

SM

163cm – 174cm

MD

171cm – 182cm

LG

179cm – 189cm

XL

185cm – 195cm

🐐 Estimated

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

Mar 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

Mar 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

Mar 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

Aug 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 IV, material: carbon, 700x30C max. wheelsize, 100x12/ 142x12mm axle standard, BB86,5 bottom bracket standard

BB StandardBB86/BB92, 86.5mm, Press Fit

Tire Clearance30c

Fork

MERIDA REACTO CF5 IV DISC, material: carbon, 700x30C max. wheelsize

Bottom Bracket

Shimano SM-BB71-41B, Pressfit 86.5

Headset

FSA ACR NO.55R, SL bearing

Stem

Vision Metron 5D ACR EVO, material: carbon, 90 mm (XXS/XS), 100 mm (S), 110 mm (M/L), 120 mm (XL)

Handlebar

Vision Metron 5D ACR EVO, material: carbon, 380mm (3S-XXS-XS-S), 400mm (M-L), 420mm-(XL)

Saddle

Prologo Nago R4 PAS, Nack

Seatpost

MERIDA TEAM CW, Aero shape, 15mm setback, Carbon

TypeRigid

Groupset
Rear Derailleur

Shimano Ultegra Di2

Front Derailleur

Shimano Ultegra Di2

Crank

Shimano Ultegra, 52-36 teeth, left arm 4IIII PM, 160 mm-3S, 165 mm-XXS/XS, 170 mm-S/M, 172.5 mm-L/XL

Power Meter

Shimano Ultegra, 52-36 teeth, left arm 4IIII PM, 160 mm-3S, 165 mm-XXS/XS, 170 mm-S/M, 172.5 mm-L/XL

Shifters

Shimano Ultegra disc Di2

Cassette

Shimano Ultegra R8101, 11-30 teeth, 12 speed

Chain

Shimano M6100-12

Brakes

Shimano Ultegra, Disc

TypeShimano Ultegra Hydraulic Disc

Brake Levers

Shimano Ultegra

Wheels
Rims

Reynolds BL 60 Expert DB, 100x12mm width front hub, 142x12mm width rear hub, 21mm inner width, 60mm height, Centerlock, Shimano HG, material: carbon, Tubeless ready (tubeless tape and valves included)

Front Hub

MERIDA EXPERT SL, including removable lever, 6/4mm allen key

Rear Hub

MERIDA EXPERT SL, including removable lever, 6/4mm allen key

Tires

Front: Continental Grand Prix 5000S TR, 700x28C, fold, tubeless ready, Rear: Continental Grand Prix 5000S TR, 700x28C, fold, tubeless ready

Disc Rotors

Shimano CL800, 160mm

Rider Notes
Riders Also Viewed

First added 23 August

Last updated 7 March

Not listed for 83 days