2020 Merida REACTO DISC 10K-E vs 2021 Specialized Allez Sprint Comp Disc
The 52 is the Specialized Allez Sprint Comp Disc size closest to your XS Merida REACTO DISC 10K-E. 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 Comp Disc
Compared with the Merida REACTO DISC 10K-E in XS, the Specialized Allez Sprint Comp Disc in 52 places the top of the head tube 3 mm higher and 3 mm further forward, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- +3 mm
- Longer frame reach
- Wheelbase
- −7 mm
- Shorter: quicker to change direction
- Head angle
- +1.5°
- Steeper: sharper steering
- Chainstays
- +2 mm
- About the same
The two frames
Merida REACTO DISC 10K-E, XSSpecialized Allez Sprint Comp Disc, 52Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Merida REACTO DISC 10K-E XS | Specialized Allez Sprint Comp Disc 52 | Difference |
|---|---|---|---|
| Reach | 377 | 380mm | +3 mm |
| Stack | 516 | 519mm | +3 mm |
| Head tube angle | 71.5 | 73° | +1.5° |
| Seat tube angle | 74.5 | 74° | −0.5° |
| Effective top tube | 520 | not listed | |
| Chainstay length | 408 | 410mm | +2 mm |
| Wheelbase | 975 | 968mm | −7 mm |
| BB drop | 70 | 69mm | −1 mm |
| Standover | 735 | 744mm | +9 mm |
| Seat tube length | 470 | 480mm | +10 mm |
| Fork length | 368 | 363mm | −5 mm |
| Head tube length | 116 | 120mm | +4 mm |
| BB height | not listed | 271mm |
Differences are the Specialized Allez Sprint Comp Disc minus the Merida REACTO DISC 10K-E. Full charts: 2020 Merida REACTO DISC 10K-E, 2021 Specialized Allez Sprint Comp Disc.
Where each sits in its class
Merida REACTO DISC 10K-ESpecialized Allez Sprint Comp Disc
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 REACTO DISC 10K-EDISC 10K-E | Specialized Allez Sprint Comp DiscComp Disc |
|---|---|---|
| Frame | Merida REACTO DISC CF4 | not listed |
| Fork | Merida REACTO CF4 disc | not listed |
| Shifter | Shimano Dura Ace disc Di2 | Shimano 105 R7020 |
| Derailleur | Shimano Dura-Ace Di2 | Shimano 105 R7000, Shimano 105 R7000 GS |
| Cassette | Shimano CS-9100 | Shimano 105 |
| Chain | Shimano CN-HG901-11 | KMC X11 Extra |
| Bottom bracket | FSA 386-BB30 PF6000 [SMN FC] | Praxis 6806 |
| Wheelset | DT Swiss ARC 1400 Dicut DB 48 | DT Swiss R470 |
| Tire | Continental Grand Prix 5000 | Specialized Turbo Pro |
| Brake | Shimano Dura-Ace | Shimano 105 |
| Rotor | Shimano RT900 | not listed |
| Handlebar | Vision Metron 6D | not listed |
| Stem | Vision Metron 6D | not listed |
| Headset | FSA REACTO CF neck | not listed |
| Seatpost | Merida TEAM CW | Specialized Allez Sprint |
| Saddle | Prologo NAGO C3 | Specialized Power Sport |
| Crankset | not listed | Praxis Alba |
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