2021 Merida REACTO vs 2023 Giant TCR Advanced SL Disc
The M is the Giant TCR Advanced SL Disc size closest to your S 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 Giant TCR Advanced SL Disc
Compared with the Merida REACTO in S, the Giant TCR Advanced SL Disc in M places the top of the head tube 3 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 10 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- −10 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Merida REACTO, SGiant TCR Advanced SL Disc, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Merida REACTO S | Giant TCR Advanced SL Disc M | Difference |
|---|---|---|---|
| Reach | 390 | 388 | −2 mm |
| Stack | 542 | 545 | +3 mm |
| Head tube angle | 72.5 | 73.0 | +0.5° |
| Seat tube angle | 74 | 73.5 | −0.5° |
| Effective top tube | 545 | 550 | +5 mm |
| Chainstay length | 408 | 405 | −3 mm |
| Wheelbase | 990 | 980 | −10 mm |
| BB drop | 66 | 70 | +4 mm |
| Standover | 792 | 747 | −45 mm |
| Seat tube length | 520 | not listed | |
| Fork length | 385 | not listed | |
| Head tube length | 128 | 145 | +17 mm |
Differences are the Giant TCR Advanced SL Disc minus the Merida REACTO. Full charts: 2021 Merida REACTO, 2023 Giant TCR Advanced SL Disc.
Where each sits in its class
Merida REACTOGiant TCR Advanced SL 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 REACTO4000 | Giant TCR Advanced SL DiscAdvanced SL 0 Disc |
|---|---|---|
| Frame | Merida REACTO CF3 IV | Giant Advanced SL |
| Fork | REACTO CF5 IV DISC | Giant OverDrive 2 |
| Shifter | Shimano 105 disc | Shimano Dura-Ace R9270 |
| Derailleur | Shimano 105 | Shimano Dura-Ace R9250 Di2 |
| Cassette | Shimano 105 R7000 | Shimano Dura-Ace |
| Chain | KMC X11 | Shimano XTR M9100 |
| Bottom bracket | SM-BB71-41B | not listed |
| Tire | Continental Ultra Sport III | Cadex Race |
| Rim | Merida EXPERT CW | not listed |
| Brake | Shimano 105 | Shimano Dura-Ace Di2 |
| Rotor | Shimano SM-RT54 | Shimano RT-MT900 |
| Handlebar | Merida EXPERT CW | Giant Contact SLR |
| Stem | FSA SMR ACR | Giant Contact SLR |
| Headset | FSA ACR | not listed |
| Seatpost | Merida TEAM CW | Giant Advanced SL |
| Saddle | Merida EXPERT CC | Giant Fleet SLR |
| Crankset | not listed | Shimano FC-9200P Dura-Ace Power Meter |
| Chainring | not listed | Shimano Dura-Ace Di2 |
| Wheelset | not listed | Cadex 36 Disc |
| Grips | not listed | Stratus Lite 2.0 |
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