Runometry is growing: bikes are here, catalogue under construction, always at the best price.

Skip to content

Merida Reacto Ultegra Di2

Top of the rangeAeroCarbon700c
Merida Reacto Ultegra Di2, side view
Effect Silver / UD / Bronze

Merida Reacto Ultegra Di2

aero road bike, carbon frame, 700c wheels, 2×12 drivetrain, top of the range equipment

Key specs

List price
£5,000
Model year
2027
Frame
Carbon
Wheelset
700c · Reynolds AR 60 DB
Drivetrain
2×12
Groupset
Shimano Ultegra Di2
Brake model
Shimano Ultegra, 2 pistons, hydrauliques
Seatpost
MERIDA REACTO V S-FLEX

Character

The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.

« Road bike rather for smooth ground, rather nimble, average gearing, very high equipment. »

Terrain
6 bikes · Reacto Ultegra Di22 bikes1 bike2 bikes2 bikes
EasyDemanding

Made for smooth ground, more than other aero road bikes.

Handling
6 bikes · Reacto Ultegra Di21 bike2 bikes1 bike2 bikes
NimbleStable

Livelier in the turns than most other aero road bikes.

Gearing

  • This bike: Reacto Ultegra Di214 km/h - 54 km/h
  • Average of other aero road bikes13 km/h - 54 km/h
Easiest gear (climbing)Hardest gear (descending)

From 14 km/h in its easiest gear to 54 km/h in its hardest.

Equipment level

Not enough data yet for this chart: it fills in as soon as the specs are in.

Equipment: top of the range for its category.

Equipment score: 85/100 (frame, groupset, wheels, suspension).

Reacto Ultegra Di2other aero road bikes

Spec sheet

Every value is read on the brand’s page; hover it to see its source and date.

Ride type

Ride type
Aero

Frame and fork

Frame
Carbon
Fork
Carbon
Frame weight
1,185 g
Max tyre clearance
32 mm
Bottom bracket
Pressfit 86.5

Drivetrain

Groupset brand
Shimano
Groupset
Shimano Ultegra Di2
Shifting
Electronic, wired
Chainrings
2
Gears at the back
12
Chainring teeth
Shimano Ultegra, 52-36
Cassette
Shimano Ultegra R8101, 11-30
Rear derailleur
Shimano Ultegra Di2
Shifters
Shimano Ultegra disc Di2

Brakes

Brakes
Hydraulic disc
Brake model
Shimano Ultegra, 2 pistons, hydrauliques
Front rotor
160 mm
Rear rotor
160 mm

Wheels and tyres

Wheel size
700c / 29"
Wheelset
Reynolds AR 60 DB
Rims
Carbon
Rim depth
60 mm
Rim inner width
21 mm
Tubeless ready
yes
Tyres
Continental Grand Prix 5000S TR 700x28C
Tyre width fitted
28 mm

Cockpit and seatpost

Handlebar width
400 mm
Handlebar
Vision Metron 5D ACR EVO
Stem
Vision Metron 5D ACR EVO
Seatpost model
MERIDA REACTO V S-FLEX

Weight

Weight
Being updated

Geometry

Geometry size
M
Stack
557 mm
Reach
395 mm
Head angle
73.5 °
Seat angle
73.5 °
Chainstays
410 mm
Wheelbase
992 mm
Bottom bracket drop
66 mm

Spec sheets read at: merida-bikes.com

Geometry

7 sizes: 3XS, XXS, XS, S, M, L, XL.

Geometry of the Reacto Ultegra Di2 per size
Geometry of the Reacto Ultegra Di2 per size
Reach (mm) 373377384390395400409
Stack (mm) 512517529542557571593
Top tube (effective) (mm) 506521535545560575590
Seat tube (mm) 440470500520540560590
Head tube (mm) 100105112128140155175
Head angle (°) 70.570.57272.573.573.574
Seat angle (°) 75.574.5747473.57373
Chainstays (mm) 410410410410410410410
Wheelbase (mm) 9819879849929921,0021,011
Standover (mm) 727746771792810826853
BB drop (mm) 70707066666666
Fork offset (mm) 45454545454545

The range

Its comparisons

Comparable road bikes

See all

Who is it for?

The sports the brand announces, and the features that go with them.

  • Cycling

    • Ride type: Aero
    • Groupset: Shimano Ultegra Di2
    • Max tyre clearance: 32 mm

Frequently asked questions

What kind of riding is the Merida Reacto Ultegra Di2 made for?

Aero, according to the brand.

How wide a tyre fits the Merida Reacto Ultegra Di2?

Up to 32 mm, according to the brand.

Does the Merida Reacto Ultegra Di2 have electronic shifting?

Electronic, wired, according to the brand.

Specs updated on Nov 4, 2026Some values come from third-party spec databases, cross-checked with the brand where it publishes them.Report an error