2019 Merida REACTO DISC 8000-E vs 2021 Specialized Allez Sprint Comp Disc
The 58 is the Specialized Allez Sprint Comp Disc size closest to your XL Merida REACTO DISC 8000-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 8000-E in XL, the Specialized Allez Sprint Comp Disc in 58 places the top of the head tube 5 mm lower and 9 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- −9 mm
- Shorter frame reach
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +2 mm
- About the same
The two frames
Merida REACTO DISC 8000-E, XLSpecialized Allez Sprint Comp Disc, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Merida REACTO DISC 8000-E XL | Specialized Allez Sprint Comp Disc 58 | Difference |
|---|---|---|---|
| Reach | 409 | 400mm | −9 mm |
| Stack | 593 | 588mm | −5 mm |
| Head tube angle | 74 | 73.5° | −0.5° |
| Seat tube angle | 73 | 74° | +1.0° |
| Effective top tube | 590 | not listed | |
| Chainstay length | 408 | 410mm | +2 mm |
| Wheelbase | 1009 | 1004mm | −5 mm |
| BB drop | 66 | 69mm | +3 mm |
| Standover | 844 | 807mm | −37 mm |
| Seat tube length | 590 | 540mm | −50 mm |
| Fork length | 368 | 363mm | −5 mm |
| Head tube length | 192 | 190mm | −2 mm |
| BB height | not listed | 271mm |
Differences are the Specialized Allez Sprint Comp Disc minus the Merida REACTO DISC 8000-E. Full charts: 2019 Merida REACTO DISC 8000-E, 2021 Specialized Allez Sprint Comp Disc.
Where each sits in its class
Merida REACTO DISC 8000-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 8000-EDISC 8000-E | Specialized Allez Sprint Comp DiscComp Disc |
|---|---|---|
| Frame | Merida REACTO CF4 DISC | not listed |
| Shifter | Shimano Ultegra disc Di2 | Shimano 105 R7020 |
| Derailleur | Shimano Ultegra Di2 DF, Shimano Ultegra Di2 | Shimano 105 R7000, Shimano 105 R7000 GS |
| Cassette | Shimano Ultegra R8000 | Shimano 105 |
| Chain | KMC X11EL-1 | KMC X11 Extra |
| Bottom bracket | FSA 386-BB30 PF6000 [SMN FC] | Praxis 6806 |
| Wheelset | Vision SC 55DB | DT Swiss R470 |
| Tire | Continental Grand Sport Race | Specialized Turbo Pro |
| Brake | Shimano Ultegra | Shimano 105 |
| Rotor | Shimano RT81-ice | 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 Zero II pas T2.0 | Specialized Power Sport |
| Crankset | not listed | Praxis Alba |
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