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2021 Merida

REACTO 5000

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

2.450 £(2.826 €)
Weight8,6 kg  
FrameCarbon
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 11
GroupsetUltegra
BrakesShimano Ultegra Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
REACTO 5000
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 5000

64 km/h

Similar Bikes

Highest gear

(descending)

Reviews

Summary

The Merida Reacto is a highly regarded aero road bike that combines improved aerodynamics with increased comfort and versatility. It features a fully integrated cockpit, revised fork profiling, and an S-Flex seatpost for enhanced ride quality. While it excels in speed and handling, some reviews note its stiffness and the need for wheel upgrades to fully realize its potential.

Pros
  • Improved aerodynamics

  • Increased tyre clearance

  • More compliance

  • Fully integrated cabling

  • S-Flex seatpost for comfort

Cons
  • Can feel excessively rigid

  • Wheelset is a weak point

  • Front end susceptible to crosswinds

Key Quotes
Merida’s Reacto aero road bike enters its fourth generation with an all-new carbon frame that through subtle updates is more versatile than ever while still improving on aerodynamics.
Bikerumor logoBikerumor
The new Reacto makes the race choice easier, there’s no longer a need to pick comfort over aero performance on race day.
Bikerumor logoBikerumor
The Reacto is a genuinely excellent bike.
BikeRadar logoBikeRadar

Feedback?

View all reviews

Cycling Weekly
Merida Reacto Team-E

Sept 2020 · James Bracey

Does the newly launched 4th edition improve on the existing aero focussed race bike?

Highs
  • Translates every watt into forward momentum

  • Razor sharp handling

  • Impressive comfort for an aero bike

Lows
  • Seat clamp rubber cap keeps sliding up the seatpost

Read Review

road.cc
Merida Reacto Disc 5000 2020

Aug 2020 · Stu Kerton

Not the lightest or most comfortable, but if speed is your main goal then the Reacto delivers

Highs
  • Powerful riders will love the stiffness levels

  • Integrated rear seatpost light is a neat touch

Lows
  • Not the lightest aero bike out there

  • Non-series crankset cheapens the look

Read Review

Bikerumor
2021 Merida Reacto aero road bike is faster, more comfortable & more versatile, ready for any race!

Jul 2020 · Cory Benson

Merida's Reacto aero road bike enters gen 4 with an all-new lightweight carbon frameset that is faster than ever, while adding even more versatility...

Read Review

Cyclist
Merida Reacto 2021: The aero bike that Mark Cavendish will be riding this year

Jul 2020 · James Spender

Wider tyre clearance and integrated cables headlined Merida's new Reacto aero bike

Read Review

Gran Fondo Magazine
2021 MERIDA REACTO in review – An aerodynamic jack of all trades?

Jul 2020 · By

The brand new 2021 MERIDA REACTO in review. Aerodynamic optimisation, ample tire clearance and comfort!

Highs
  • Very composed

  • Good vibration damping

  • All-round abilities

  • Cable routing and level of integration

Lows
  • Front end susceptible to crosswinds

Read Review

Cycling News
Merida Reacto LTD review

Mar 2020 · Graham Cottingham

One month into our longterm test and the Merida Reacto LTD road bike is already impressing us

Highs
  • Effortless straight-line speed

  • Scything high-speed cornering capabilities

  • Dampening when dealing with large impacts

Lows
  • Doesn't come with tubeless tyres as standard

  • The rear light is far from reliable

Read Review

BikeRadar
Merida Reacto 5000 review

Apr 2018 · Robin Wilmott

The Reacto 5000 proves that aero doesn’t have to mean bone-shaking, and seriously expands its real-world usability because of it. Buy if you want to reap some aerodynamic benefit on every ride for free

Highs
  • Great ride quality and handling, surprising comfort, Ultegra parts

Lows
  • Some lower spec parts to allow for the fine frameset

Read Review

Geometry
Specs
Build
Frame

REACTO CF3 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

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

Bottom Bracket

SM-BB71-41B, Pressfit 86.5

Headset

FSA ACR

Stem

FSA SMR ACR, material: aluminium, -6° stem angle, 90 mm-XXS/XS, 100 mm-S, 110 mm-M, 120 mm-L/XL

Handlebar

MERIDA EXPERT CW, material: aluminium, 380mm (XXS), 400mm (XS-S), 420mm (M), 440 (L-XL)

Saddle

MERIDA EXPERT CC

Seatpost

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

TypeRigid

Groupset
Rear Derailleur

Shimano Ultegra, GS

Front Derailleur

Shimano Ultegra

Crank

Shimano RS510, 52-36 teeth, 165 mm-XXS, 170 mm-XS/S, 172.5 mm-M, 175 mm-L/XL

Shifters

Shimano Ultegra disc

Cassette

Shimano CS-R7000, 11-30 teeth, 11 speed

Chain

KMC X11

Brakes

Shimano Ultegra, Hydraulic disc

TypeShimano Ultegra Hydraulic Disc

Brake Levers

Shimano Ultegra

Wheels
Rims

MERIDA EXPERT CW, 19mm inner width, 30mm height, material: aluminium, Tubeless ready (tubeless tape and valves not included)

Spokes

Double Butted Black stainless

Front Hub

VP CLK170F / VP 270SB, 100x12mm width front hub, 28 spoke holes, Centerlock, 12-142mm width rear hub, 28 spoke holes, Centerlock

Rear Hub

VP CLK170F / VP 270SB, 100x12mm width front hub, 28 spoke holes, Centerlock, 12-142mm width rear hub, 28 spoke holes, Centerlock

Tires

Front: Continental Ultra Sport III, 700x25C, fold, Rear: Continental Ultra Sport III, 700x25C, fold

Disc Rotors

Shimano RT64, 160mm

Accessories
Lights

REACTO light seat post + Battery

Rider Notes
Riders Also Viewed

First added 31 July

Last updated 10 April

Not listed for 1,145 days