2021 Merida REACTO vs 2020 Specialized Allez Sprint
The 52.0 is the Specialized Allez Sprint size closest to your 3XS Merida REACTO. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Allez Sprint
Compared with the Merida REACTO in 3XS, the Specialized Allez Sprint in 52.0 places the top of the head tube at about the same height and 7 mm further forward, relative to the bottom bracket. Its wheelbase is 18 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +2 mm
- About the same height
- Frame reach
- +7 mm
- Longer frame reach
- Wheelbase
- −18 mm
- Shorter: quicker to change direction
- Head angle
- +2.5°
- Steeper: sharper steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Merida REACTO, 3XSSpecialized Allez Sprint, 52.0Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Merida REACTO 3XS | Specialized Allez Sprint 52.0 | Difference |
|---|---|---|---|
| Reach | 373 | 380mm | +7 mm |
| Stack | 512 | 514mm | +2 mm |
| Head tube angle | 70.5 | 73° | +2.5° |
| Seat tube angle | 75.5 | 74° | −1.5° |
| Effective top tube | 505 | not listed | |
| Chainstay length | 408 | 405mm | −3 mm |
| Wheelbase | 979 | 961mm | −18 mm |
| BB drop | 70 | 69mm | −1 mm |
| Standover | 727 | 745.8mm | +19 mm |
| Seat tube length | 440 | 480mm | +40 mm |
| Fork length | 385 | 368mm | −17 mm |
| Head tube length | 100 | 110mm | +10 mm |
| BB height | not listed | 272.5mm |
Differences are the Specialized Allez Sprint minus the Merida REACTO. Full charts: 2021 Merida REACTO, 2020 Specialized Allez Sprint.
Where each sits in its class
Merida REACTOSpecialized Allez Sprint
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Merida REACTO4000 | Specialized Allez SprintAllez Sprint Frameset |
|---|---|---|
| Frame | Merida REACTO CF3 IV | not listed |
| Fork | REACTO CF5 IV DISC | not listed |
| Shifter | Shimano 105 disc | not listed |
| Derailleur | Shimano 105 | not listed |
| Cassette | Shimano 105 R7000 | not listed |
| Chain | KMC X11 | not listed |
| Bottom bracket | SM-BB71-41B | not listed |
| Tire | Continental Ultra Sport III | not listed |
| Rim | Merida EXPERT CW | not listed |
| Brake | Shimano 105 | not listed |
| Rotor | Shimano SM-RT54 | not listed |
| Handlebar | Merida EXPERT CW | not listed |
| Stem | FSA SMR ACR | not listed |
| Headset | FSA ACR | not listed |
| Seatpost | Merida TEAM CW | Specialized Allez Sprint |
| Saddle | Merida EXPERT CC | not listed |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
