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Merida Reacto 8000-E Road Bike Black/Light Blue (2021)

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Merida Reacto 8000-E

  • Brand new Merida CF5 Carbon Frame & CF5 Fork
  • 2x11 Speed Shimano Ultegra Di2 Drivetrain
  • Shimano Ultegra Hydraulic Disc Brakes
  • Reynolds AR 58 DB Wheelset
  • Continental Grand Sport Race Tyres: 700x25c


"For this fourth version of the Reacto, Merida has looked to tip the balance away from pure aerodynamics to create a bike that has all of the DNA of a pure-bred aero machine, but is an 'all-rounder with class-leading aerodynamic performance'. The best of both worlds, then?"
-Senior Editor Warren Rossiter

Bike Radar

The Merida Reacto 8000-E Aero Road Bike pairs a top of the range and brand new frame with high-end electronic shifting for a bike that is built to perform at the highest level. The Reacto is a high-performance aero road bike with stable ride characteristics which allows you to ride in relative comfort for such a performance focused bike. The CF5 Carbon frame and CF5 fork lays the platform for this efficient road machine as the CF5 frame is highly refined to minimise weight, weighing in at just 965 grams for a medium.

It also comes with a brand new fork design which is intelligently integrated into the frame, while the new handlebar design and removing all the cables (by completely integrating the cables into the cockpit and frame) not only looks super smooth but each integrated cable saves up to 2 watts. The Reacto 8000-E is kitted out with a 2x11 speed Shimano Ultegra Di2 Groupset with an 11-30t cassette for swift road riding. Di2 gives you instant, lightning fast shifting that is precise and controlled at the push of a button.

Also new in 2021 is the front and rear integrated disc coolers to prevent overheating so that you can get the most out of the Shimano Ultegra Hydraulic Disc Brakes. It may come standard with a Reynolds AR 58 DB Wheelset and Continental Grand Sport Race 700x25c tyres but one of the big changes is that the new Reacto now has tyre clearance for 30mm tyres which really adds to the comfort, smoothness and stability without a significant impact on performance. The main difference between this bike and the 7000-E is that this bike is equipped with the lighter CF5 from instead of a CF3 frame, and it rolls on Reynolds AR 58 DB Wheelset instead of a DT Swiss P1800 Spline DB32 Wheelset.

The Merida Reacto 8000-E is one heck of a ride, between the brand new CF5 frame and crisp Ultegra Di2 Groupset this bike ticks every box. This is a bike that a lightning fast yet is still stable and comfortable so that you don’t have to be uncomfortable just to maximises every watt of power.

Cable Integration

One of the key elements of the new REACTO that further improves the already impressive aerodynamic performance is the complete cable integration, hiding all cables from view and wind exposure and generating a 2 Watts saving.

Tyre Clearance

The new fork and frame allow tyres of up to 30 mm to be fitted, which besides the well- proven S-Flex seat post, further improve the comfort as well as the road grip of the new REACTO so that you can ride in comfort on rough surfaces.

Disc Cooler

The 2nd gen disc coolers are further integrated into the frame and fork to minimise drag and reduce the risk of the disc brakes overheating on long descents. The forged aluminium part under the front and rear disc brake caliper draws heat away through CNC-milled cooling fins for 35% less heat build-up and faster temperature reduction.

More Information
SKU 21MeridaReacto8000EBlackLightBlue
Season 2021
Wheel Size 700c
Frame Material Carbon
Fork Material Carbon
Groupset Brand Shimano
Groupset Shimano Ultegra Di2
Cassette Type 11 Speed
Chainset Type Double
Brake Type Hydraulic Disc Brake
Bottom Bracket SM-BB72-41B, Pressfit 86.5
Brakes Shimano Ultegra; Hydraulic disc
Brake Levers Shimano Ultegra
Cassette Shimano CS-R8000; 11-30 ATC; 11 Speed
Chain KMC X11EL
Crankset Shimano Ultegra; 52-36 ATC
Derailleur Front Shimano Ultegra Di2
Derailleur Rear Shimano Ultegra Di2; GS
Frame REACTO CF5 IV; MAT carbon; 700C WHS; 100x12/ 142x12 AST; BB86,5 BBR
Grips MERIDA ROAD Expert
Handlebar Vision METRON 5D ACR INTEGRATED; MAT carbon
Headset FSA ACR
Hubs attached
Pedals not included
Rims Reynolds AR 58 DB, 100x12 WHF; 142x12 WHR; 21 IWR; 41 HRI; Centerlock
Seatpost MERIDA Team CW; Aero shape; 15 Setback; Carbon
Spokes attached
Shifters Shimano Ultegra disc Di2
Tyres Continental Grand Sport Race; 700x25C; fold
Speeds 2 x 11
Sizing SKUs XXS:MERA2185166, XS:MERA2185177, SM:MERA2185188, MD:MERA2185199, LG:MERA2185207, XL:MERA2185218

Road Bike Geometry Diagram


ST Seat Tube

TT Top Tube

CS Chain Stay Length

HTA Head Tube Angle

STA Seat Tube Angle

BD Bottom bracket Drop

HT Head Tube

FL Fork Length

R Reach

S Stack

WB Wheel Base


Wheel Size 700c 700c 700c 700c 700c 700c
Frame Size 47 50 52 54 56 59
ST Seat Tube (mm) 470.0 500.0 520.0 540.0 560.0 590.0
TT Top Tube (mm) 520.0 536.0 545.0 560.0 575.0 590.0
CS Chain Stay Length (mm) 408.0 408.0 408.0 408.0 408.0 408.0
HTA Head Tube Angle (°) 70.5 72.0 72.5 73.5 73.5 74.0
STA Seat Tube Angle (°) 74.5 74.0 74.0 73.5 73.0 73.0
HT Head Tube (mm) 105.0 112.0 128.0 140.0 155.0 176.0
R Reach (mm) 377.0 384.0 390.0 395.0 400.0 409.0
S Stack (mm) 517.0 529.0 542.0 557.0 571.0 593.0
WB Wheel Base (mm) 985.0 983.0 990.0 990.0 999.0 1010.0


About Merida

In September 1972, Ike Tseng (1932–2012) a brilliant engineer and visionary founded MERIDA. While visiting the USA, Ike saw a sign in a bike shop that stated refusal to repair any Taiwanese bikes, due to the unfavourable quality. As a result of this he set out to fulfil his dream of high quality bikes made in Taiwan and formed the MERIDA Industry Company Ltd.

The MERIDA name has three syllables Me-Ri-Da and it is the company’s intention to manufacture beautiful, high quality bikes that enables everyone to reach their destination enjoyably. MERIDA created a world-leading bike factory but Ike still wasn’t satisfied, so in 1988 the MERIDA brand was launched. Ike’s vision is still very much a part of MERIDA, manufacturing all kinds of bikes from children’s bikes to world-class professional road and mountain bikes for the Bahrain- MERIDA team riders. Everybody has a different journey, and everyone can benefit from a MERIDA.

View Merida Range

Merida Reacto Sizing Chart

Rider's Height (cm)

This is an accurate estimate, and every new bike comes with a free professional bike fit when you click & collect in store, plus all bikes have a 30 day Perfect Ride Guarantee.