2027 Trek Supercaliber SLR 9.8 Flight Attendant Gen 2 vs 2025 Giant Anthem Advanced
The M is the Giant Anthem Advanced size closest to your ML Trek Supercaliber SLR 9.8 Flight Attendant Gen 2. 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 Anthem Advanced
Compared with the Trek Supercaliber SLR 9.8 Flight Attendant Gen 2 in ML, the Giant Anthem Advanced 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 6 mm longer, which can contribute to stability at speed.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- +6 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Trek Supercaliber SLR 9.8 Flight Attendant Gen 2, MLGiant Anthem Advanced, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Supercaliber SLR 9.8 Flight Attendant Gen 2 ML | Giant Anthem Advanced M | Difference |
|---|---|---|---|
| Reach | 450 | 450 | ±0 mm |
| Stack | 590 | 593 | +3 mm |
| Head tube angle | 67.5° | 67.5 | ±0.0° |
| Seat tube angle | 74.5° | 75.5 | +1.0° |
| Effective top tube | 605 | 604 | −1 mm |
| Chainstay length | 435 | 435 | ±0 mm |
| Wheelbase | 1153 | 1159 | +6 mm |
| BB drop | 46 | 42 | −4 mm |
| BB height | 327 | not listed | |
| Standover | 772 | 750 | −22 mm |
| Seat tube length | 440 | 420 | −20 mm |
| Head tube length | 90 | 95 | +5 mm |
Differences are the Giant Anthem Advanced minus the Trek Supercaliber SLR 9.8 Flight Attendant Gen 2. Full charts: 2027 Trek Supercaliber SLR 9.8 Flight Attendant Gen 2, 2025 Giant Anthem Advanced.
Where each sits in its class
Trek Supercaliber SLR 9.8 Flight Attendant Gen 2Giant Anthem Advanced
Each bike is ranked against the other XC 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 | Trek Supercaliber SLR 9.8 Flight Attendant Gen 2SLR 9.8 X0 Flight Attendant Gen 2 | Giant Anthem Advanced |
|---|---|---|
| Frame | Trek Supercaliber SLR | not listed |
| Fork | RockShox SID SL Ultimate Flight Attendant | not listed |
| Rear shock | RockShox SIDLuxe | not listed |
| Shifter | SRAM Pod Controller | not listed |
| Derailleur | SRAM X0 Eagle AXS | not listed |
| Cassette | SRAM X0 Eagle Transmission | not listed |
| Chain | SRAM X0 Eagle | not listed |
| Crankset | SRAM DUB X0 | not listed |
| Chainring | SRAM X0 Eagle | not listed |
| Bottom bracket | SRAM DUB | not listed |
| Wheelset | Bontrager Kovee Elite 30 | not listed |
| Tire | Pirelli Scorpion XC, Maxxis Aspen | not listed |
| Brake | SRAM Motive Silver | not listed |
| Rotor | SRAM CenterLine | not listed |
| Handlebar | Bontrager RSL | not listed |
| Grips | ESI Chunky | not listed |
| Headset | FSA IS2 | not listed |
| Dropper post | Bontrager Line | not listed |
| Seatpost | Bontrager Line Dropper | not listed |
| Saddle | Bontrager Verse Short | not listed |
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