Merida Reacto 5000 2027 - Road Bike

The Merida Reacto 5000 is a performance-focused aero road bike that combines speed, comfort and value. Lightweight and efficient, it delivers strong power transfer, confident handling and the versatility to handle long days in the saddle.
Key Features:
- CF3 carbon aero frame with race geometry and 32mm tyre clearance
- Full carbon aero fork for responsive, stable handling
- Shimano 105 Di2 2x12-speed electronic drivetrain
- Shimano 105 hydraulic disc brakes
- Vision Team 35 wheels with Continental GP tyres
- S-Flex carbon seatpost for added comfort
- Internal cable routing for clean aero design
- Available with 0% APR finance
The Merida Reacto 5000 brings the brand’s latest aerodynamic frame design into a more accessible package, making it a strong choice for riders chasing speed without stretching to top-tier pricing. Built around the CF3 carbon frame, it delivers the same aero shaping and stiffness found higher up the range, helping you ride faster with less effort.
Carefully optimised tube profiles reduce drag across a wide range of conditions, while keeping the overall weight competitive for climbing and all-round riding. With clearance for tyres up to 32mm, the Reacto offers added comfort and grip, especially on rougher roads or longer rides.
The S-Flex carbon seatpost adds a layer of compliance by absorbing road vibrations, helping to reduce fatigue and keep you comfortable when the pace is high and the miles are stacking up.
Shimano 105 Di2 provides crisp, reliable electronic shifting with a wide 12-speed gear range, making it easy to maintain cadence across varied terrain. Matching hydraulic disc brakes deliver consistent stopping power in all weather conditions.
Rolling on Vision Team 35 wheels, the Reacto balances durability and performance, while Continental Grand Prix tubeless-ready tyres offer low rolling resistance and dependable grip.
With clean internal cable routing and a refined aero profile, the Reacto 5000 delivers a streamlined ride experience that feels quick, efficient and composed.
Overall, it’s a well-rounded aero road bike that blends performance, comfort and value, making it ideal for racing, fast group rides and riders looking to push their pace further.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | Reacto CF3 V; carbon; 700 x 32C max. tyre size; 100mm x 12mm / 142mm x 12mm axle standard; BB86. bottom bracket standard with disc cooler |
| Fork | Reacto CF3 V Disc; carbon; 700x32C max. wheel size |
| Headset | Merida Team SL (Cone RCT-608) |
| Stem | Merida Expert SL 2PII; aluminium; -9 degree rise |
| Bars | Merida Expert CW; aluminium; (3XS-S) - 380mm, (M-L) - 400mm, XL - 420mm |
| Front Brake | Shimano 105; Disc |
| Rear Brake | Shimano 105; Disc |
| Brake Lever | Shimano 105 |
| Front Mech | Shimano 105 Di2 |
| Rear Mech | Shimano 105 Di2 |
| Shifters | Front: Shimano 105 disc Di2 Rear: Shimano 105 disc Di2 |
| Speed | 24 |
| Rims | Vision Team 35 Clincher Disc Centerlock; 19mm inner rim width; 35 HRI; aluminium; Tubeless tape ready |
| Front Hub | Part of wheelset - Vision Team 35 Clincher Disc Centerlock |
| Rear Hub | Part of Wheelset - Vision Team 35 Clincher Disc Centerlock |
| Spokes | Part of wheelset - Vision Team 35 Clincher Disc Centerlock |
| Front Tyre | Continental Grand Prix TR; 700x28C; fold; tubeless ready |
| Rear Tyre | Continental Grand Prix TR; 700x28C; fold; tubeless ready |
| Seat Post | Merida Reacto V S-FLEX; Aero Shape; in-line; Carbon |
| Saddle | Akero RS PAS T2.0; V-mount adapter; incl. Merida minitool |
| Chainset | Shimano 105 R7100; 52-36 teeth; Crank Length: 3XS - 160mm, (XXS-XS) - 165mm, (S-M) - 170mm, (L-XL) - 172.5mm |
| Bottom Bracket | Shimano SM-BB71-41B; Pressfit 86.5mm |
| Chain | Shimano M6100-12 |
| Cassette | Shimano 105 R7101; 11-34 teeth; 12 speed |
![]()
Merida Reacto 2027 Size Chart
| Size | Min Height cm | Max Height cm | Min height feet | Max height feet |
| XXS (47cm) | 153 | 162 | 5'0" | 5'4" |
| XS (50cm) | 162 | 168 | 5'4" | 5'6" |
| S (52cm) | 168 | 175 | 5'6" | 5'9" |
| M (54cm) | 175 | 181 | 5'9" | 5'11" |
| L (56cm) | 181 | 188 | 5'11" | 6'2" |
| XL (59cm) | 188 | 198 | 6'2" | 6'6" |
What size frame do I need if I am between sizes? - read here
Merida Reacto 2027 Geometry Chart
|
Reacto V |
XXS |
XS |
S |
M |
L |
XL |
|
seat tube (mm) |
470 |
500 |
520 |
540 |
560 |
590 |
|
top tube horizontal (mm) |
521 |
535 |
545 |
560 |
575 |
590 |
|
head tube length (m) |
105 |
112 |
128 |
140 |
155 |
175 |
|
head tube angle () |
70.5 |
72 |
72.5 |
73.5 |
73.5 |
74 |
|
seat tube angle () |
74.5 |
74 |
74 |
73.5 |
73 |
73 |
|
chain stays (mm) |
410 |
410 |
410 |
410 |
410 |
410 |
|
bottom bracket drop (mm) |
70 |
70 |
66 |
66 |
66 |
66 |
|
fork length (mm) |
385 |
385 |
385 |
385 |
385 |
385 |
|
stand over height (mm) |
746 |
771 |
792 |
810 |
826 |
853 |
|
stack (mm) |
517 |
529 |
542 |
557 |
571 |
593 |
|
reach (mm) |
377 |
384 |
390 |
395 |
400 |
409 |
|
wheel base (mm) |
987 |
984 |
992 |
992 |
1002 |
1011 |
All measurements are in mm unless otherwise stated.
The above table shows the standard geometry for the bicycle as shipped, other geometry configurations may be available with certain bikes. Please contact us via Live Chat to find out more.
Customer reviews and Q&A's are disabled because you declined functional cookies.
To enable reviews and Q&A's click the 'Cookie Settings' button below and enable functional cookies.

Merida Reacto 5000 2027 - Road Bike
Cycle to Work is a salary sacrifice scheme, where you can save up to 42% off a new Bike and Safety equipment. This means the cost is deducted from your salary as a non-cash benefit, so you save on tax and national insurance.
Here at Tredz, we accept Cycle to Work vouchers from all national schemes. For more information click here.
We understand that the Cycle to Work process can be a little slower than we would all like - so to help you pick the perfect ride, we're now offering FREE Cycle to Work Reservations on any in stock bike (T&C's apply). Simply speak to a member of our Online Bike Experts Team via Live Chat to discuss your reservation. Find out more here.
At Tredz we make finance easy. You can choose from a range of flexible finance repayments from 6 months up to 48 months, choose to place a deposit and pay the balance on finance. Go with a 0% APR finance deal with absolutely no interest on payments, or a 9.9% APR Buy Now Pay later option with a choice of 12 or 24 deferred payment options, or a longer-term 14.9% APR option with lower monthly payments. For more information click here.
We offer a fast, high-quality delivery service with flexible options to suit your schedule - including free delivery* over £50, next day delivery, Click & Collect, and now 24/7 InPost locker delivery for qualifying orders. Learn more about InPost
*Courier deliveries to Northern Ireland, Isle of Man, Isle of Wight, Channel Islands and the Scottish Highlands/Islands will incur a charge.When you receive your bike, all you'll need to do is unpack it, attach the pedals, turn the handlebars and ride.
To help you get started we have put together a handy Bike Building Guide, click here.