2026
2026 Merida REACTO
The 2026 Merida REACTO sits at the aggressive end of the range for a road bike, with a shorter rear center. Reach 373 to 409 mm, stack 512 to 593 mm. The REACTO 4000 build comes with Shimano 105 shifting and Continental Grand Prix tires.
Source: merida-bikes.com. Checked .
Key facts
- Brand
- Merida
- Model
- REACTO
- Model year
- 2026
- Type
- Road
- Geometry labels
- 3XS, XXS, XS, S, M, L, and XL
- Drivetrain
- Varies by build
- Fork
- Varies by build
- Wheels
- Varies by build
- Geometry
- Complete for every size
- Source
- merida-bikes.com
- Checked
Geometry by size
| Measurement | 3XS | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|---|
| Reach(mm) | 373 | 377 | 384 | 390 | 395 | 400 | 409 |
| Stack(mm) | 512 | 517 | 529 | 542 | 557 | 571 | 593 |
| Head tube angle(°) | 70.5 | 70.5 | 72 | 72.5 | 73.5 | 73.5 | 74 |
| Seat tube angle(°) | 75.5 | 74.5 | 74 | 74 | 73.5 | 73 | 73 |
| Effective top tube(mm) | 505 | 520 | 536 | 545 | 560 | 575 | 590 |
| Chainstay length(mm) | 408 | 408 | 408 | 408 | 408 | 408 | 408 |
| Wheelbase(mm) | 979 | 985 | 983 | 990 | 990 | 999 | 1010 |
| BB drop(mm) | 70 | 70 | 70 | 66 | 66 | 66 | 66 |
| Standover(mm) | 727 | 746 | 771 | 792 | 810 | 826 | 853 |
| Seat tube length(mm) | 440 | 470 | 500 | 520 | 540 | 560 | 590 |
| Fork length(mm) | 385 | 385 | 385 | 385 | 385 | 385 | 385 |
| Head tube length(mm) | 100 | 105 | 112 | 128 | 140 | 155 | 176 |
Stock build
REACTO 4000
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your REACTO 4000 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
REACTO 5000
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your REACTO 5000 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
REACTO 6000
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your REACTO 6000 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
REACTO 7000
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your REACTO 7000 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
REACTO 8000
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your REACTO 8000 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
REACTO 9000
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your REACTO 9000 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
✓Sources agreeMManufacturer
Quick answers
- Which size or configuration labels have geometry for the 2026 Merida REACTO?
- Geometry is listed for 3XS, XXS, XS, S, M, L, and XL.
- What are the reach and stack of the 2026 Merida REACTO in size S?
- In size S, reach is 390 mm and stack is 542 mm.
- What is the head tube angle of the 2026 Merida REACTO?
- The head tube angle is 72.5 degrees in size S.
- What does the 2026 Merida REACTO 4000 ship with?
- The stock build includes Merida REACTO CF3 IV, Merida REACTO CF3 IV DISC, Shimano 105 disc, and Continental Grand Prix.
- Which years of the Merida REACTO are on Quiver?
- Quiver has the Merida REACTO for 2026, 2025, 2024, 2023, 2022, 2021, 2020, and 2019.
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