2025 Merida Reacto 4000

Featuring our lightweight CF3 carbon frame with race-proven geometry, the REACTO 4000 is far from an entry-level bike, but if you are starting out in road racing or want a fast and well-balanced aero road bike, then it's a perfect choice.

Frame: REACTO CF3 IV; MAT carbon; 700x30C max. WHS; 100x12/ 142x12 AST; BB86,5 BBR
Fork: REACTO CF3 IV DISC; MAT carbon; 700x30C max. WHS
Brake Lever: Shimano 105
Brake - Front: Shimano 105; Hydraulic disc
Brake - Rear: Shimano 105; Hydraulic disc
Rotor - Front: Shimano RT54; 160mm
Rotor - Rear: Shimano RT54; 160mm
C-Housing: LEX40-L3
Chain: Shimano CN-M6100-12
Chainwheel: Shimano 105; FCR7100, 52-36 ATC
Crank/Size: 165 mm-XXS, 170 mm-XS, 172.5 mm-S/M/L, 175 mm-XL
Bb Set: SM-BB71-41B, Pressfit 86.5
Derailleur - Front: Shimano 105
Derailleur - Rear: Shimano 105; GS
Freewheel: Shimano CS-R7101; 11-34 ATC; 12 GER
Grip: MERIDA ROAD Expert
Handlebar: MERIDA EXPERT CW; MAT aluminium; 380mm (XXS-XS-S); 400mm (M-L-XL)
H-B Stem: EXPERT SL 2PII; MAT aluminium; -9 ASD
H-Stem/Size: 90mm-XXS/XS, 100 mm-S, 110 mm-M/L, 120 mm-XL
Hub - Front: Shimano HB-TC500; 100x12 WHF; 28 SPH; Centerlock
Hub - Rear: Shimano FH-TC500-HL; 12-142 WHR; 28 SPH; Centerlock
Axle - Front: MERIDA EXPERT TR
Axle - Rear: MERIDA EXPERT SL; including removable lever; 6/4mm allen key
Rim: MERIDA EXPERT CW; 19 IWR; 30 HRI
Saddle: MERIDA EXPERT SL; 6% recycled and 23% nature material; V-mount; incl. MERIDA minitool
Seat Clamp: MERIDA REACTO Aero
Seat Post: MERIDA Team CW; Aero shape; 15 SSB; Carbon
Shifter - Front: Shimano 105 disc
Shifter - Rear: Shimano 105 disc
Tyre - Front: Continental Ultra Sport III; 700x28C; fold
Tyre - Rear: Continental Ultra Sport III; 700x28C; fold
Other 5: MERIDA Multitool with saddlebox