Merida Reacto 4000 Carbon Road Bike 2025

Brand	Frame Size (CM)	Rider Height (CM)
MERIDA	2XL	191-200
MERIDA	XL	181-190
MERIDA	L	176-180
MERIDA	M	171-175
MERIDA	S	165-170
MERIDA	XS	155-165

Brand

Frame Size (CM)

Rider Height (CM)

MERIDA

2XL

191-200

MERIDA

181-190

MERIDA

176-180

MERIDA

171-175

MERIDA

165-170

MERIDA

155-165

Speed meets precision with the 2025 Merida Reacto 4000 Carbon Road Bike, an ideal choice for riders pushing their limits on race day or taking on challenging club rides. Built around the lightweight CF3 carbon aero frame, it slices through the air effortlessly while maintaining stability and control. The carefully refined geometry ensures sharp handling and rapid acceleration, making it a strong contender for sprinters and criterium specialists alike.

Fitted with the latest Shimano 105 12-speed mechanical groupset, every shift is smooth, responsive, and reliable, ensuring confidence in the toughest racing conditions. The S-FLEX carbon seat post helps absorb road vibrations, offering a smoother ride over cobbled streets and uneven road surfaces. Generous tyre clearance, accommodating up to 30mm tyres, allows for enhanced grip and comfort without compromising speed.

For those stepping into the world of competitive racing or seeking an aerodynamic edge on fast-paced group rides, the Reacto 4000 delivers in every aspect. Its aerodynamic efficiency, rapid responsiveness, and class-leading comfort make it a top choice for riders who demand performance without compromise.

Key Features:

- REACTO CF3 IV, Carbon Frame
- REACTO CF3 IV DISC, Carbon Fork
- Shimano 105 Groupset Components
- Merida Expert Alloy Rims
- Continental Ultra Sport III, 700x28C Tyres

Benefits

- Aerodynamic Efficiency: The CF3 carbon aero frame reduces drag for faster speeds with less effort.
- Sharp Handling: Refined geometry ensures precise handling for quick acceleration and control.
- Smooth Shifting: The Shimano 105 12-speed groupset offers reliable, seamless gear changes in tough conditions.
- Enhanced Comfort: The S-FLEX carbon seat post absorbs road vibrations, providing a smoother ride over rough surfaces.
- Versatile Tyre Clearance: Accommodates up to 30mm tyres for improved grip and comfort without sacrificing speed.

 
Frame  

REACTO CF3 IV, Carbon, 700x30C Max. Wheelsize, 100x12/142x12mm Axle Standard, BB86.5 Bottom Bracket Standard  

Frame Sizes
  
XXS, XS, S, M, L, XL  

Fork  

REACTO CF3 IV DISC, Carbon, 700x30C Max. Wheelsize  
  
Rim  

MERIDA EXPERT CW, 19mm Inner Width, 30mm Height, Aluminium, Tubeless Ready (Tubeless Tape and Valves Not Included)  

Hubs  

Front: Shimano HB-TC500, 100x12mm Width, 28 Spoke Holes, Centerlock  
Rear: Shimano HB-TC500-HL, 12-142mm Width, 28 Spoke Holes, Centerlock  

Front Tyre  

Continental Ultra Sport III, 700x28C, Fold  

Rear Tyre  

Continental Ultra Sport III, 700x28C, Fold  

Hubs  

MERIDA EXPERT SL, Including Removable Lever, 6/4mm Allen Key  

Crank  

Shimano 105, 52-36 Teeth  
165mm (XXS), 170mm (XS), 172.5mm (S/M/L), 175mm (XL)  

Bottom Bracket 
 
Shimano SM-BB72-41B, Pressfit 86.5  

Cassette  

Shimano 105 R7101, 11-34 Teeth, 12-Speed  

Chain  

Shimano M6100-12  

Shifters  

Shimano 105 Disc  

Front Derailleur 
 
Shimano 105  

Rear Derailleur  

Shimano 105 GS  

Brake Levers  

Shimano 105  

Brakes  

Shimano 105, Hydraulic Disc  

Rotors  

Shimano RT54, 160mm  

Headset  

MERIDA TEAM SL, VP-MRBHB (OP203 Neck)  

Stem 
 
MERIDA EXPERT SL 2PII, Aluminium, -9° Stem Angle  
90mm (XXS/XS), 100mm (S), 110mm (M/L), 120mm (XL)  

Handlebar  

MERIDA EXPERT CW, Aluminium  
380mm (XXS-XS-S), 400mm (M-L-XL)  

Grip  

MERIDA ROAD Expert  

Seat Post  

MERIDA TEAM CW, Aero Shape, 15mm Setback, Carbon  

Seat Clamp 
 
MERIDA REACTO Aero  

Saddle  

MERIDA EXPERT SL, 6% Recycled and 23% Nature Material, V-Mount, Incl. MERIDA Minitool

Door to door delivery:

Delivery time is determined in business days. This is usually 3 to 5 business days after we have received your order. Special-order items may take a little longer which will be communicated to you. The delivery address is YOUR preferred daytime destination from Monday to Friday during standard business hours (08h00 – 17h00). Please ensure someone is at the selected address to sign for the delivery.

Click and Collect:

 Delivery time is determined in business days. This is usually 3 to 5 business days after we have received your order. Your collection point will be the store you chose. Please wait for the store to contact you to inform you that your order is ready for collection.