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Merida REACTO 4000

Merida REACTO 2024


Size / XXS, XS, SM, MD, LG, XL

Manufacturer Website

At a glance

The 2024 Merida REACTO 4000 is an aero carbon road bike. It comes in a range of sizes, including XXS, XS, SM, MD, LG, XL and a shimano drivetrain. The bike is part of Merida's REACTO range of road bikes.

Where To Buy



  • Frame
    REACTO CF3 IV, material: carbon, 700x30C max. wheelsize, 100x12/ 142x12mm axle standard, BB86,5 bottom bracket standard
  • Fork
    REACTO CF3 IV disc, material: carbon, 700x30C max. wheelsize
  • Hubs
    VP 270SB, 12-142mm width rear hub, 28 spoke holes, Centerlock
  • Wheels
    MERIDA EXPERT CW, 19mm inner width, 30mm height, material: aluminium, Tubeless ready (tubeless tape and valves not included)
  • Spokes
    Double Butted Black stainless
  • Tires
    Maxxis Highroad, 700x25C, fold *tubeless ready
  • Chain
    Shimano CN-M6100-12
  • Crank
    Shimano 105, 52-36 teeth, 165 mm-XXS, 170 mm-XS, 172.5 mm-S/M, 175 mm-L/XL
  • Bottom Bracket
    Shimano SM-BB71-41B, Pressfit 86.5 mm
  • Front Derailleur
    Shimano 105
  • Rear Derailleur
    Shimano 105, GS
  • Shifters
    Shimano 105 disc
  • Brakeset
    Shimano 105, Hydraulic disc
  • Handlebar
    MERIDA EXPERT CW, material: aluminium, 380mm (XXS), 400mm (XS), 420mm (S/M/L), 440 (XL)
  • Saddle
    MERIDA EXPERT SL, V-mount, incl. MERIDA minitool
  • Seatpost
    MERIDA TEAM CW, Aero shape, 15mm setback, material: Carbon
  • Headset


Q: Where to buy a 2024 Merida REACTO 4000?

The 2024 Merida REACTO 4000 may be purchased directly from Merida.

Q: What size 2024 Merida REACTO 4000 should I get?

The 2024 Merida REACTO 4000 comes in sizes XXS, XS, SM, MD, LG, XL. After measuring your height, use the size chart below to find the typical Merida REACTO 4000 size for your height. Remember that these sizes are a general guide and bike sizes can vary between riders and bikes. The best way to find your size is to go for a test ride.

Rider Height (cm)Rider Height (in)Frame Size
148cm - 158cm4'10" - 5'2"XS
158cm - 168cm5'2" - 5'6"S
168cm - 178cm5'6" - 5' 10"M
178cm - 185cm5'10" - 6'1"L
185cm - 193cm6'1" - 6'4"XL
193cm - 198cm6'4" - 6'6"XXL


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