2025 Giant Anthem Advanced 29 vs 2026 Trek Supercaliber SLR 9.9 Gen 2
The ML is the Trek Supercaliber SLR 9.9 Gen 2 size closest to your XL Giant Anthem Advanced 29. 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 Trek Supercaliber SLR 9.9 Gen 2
Compared with the Giant Anthem Advanced 29 in XL, the Trek Supercaliber SLR 9.9 Gen 2 in ML places the top of the head tube 22 mm lower and 45 mm further back, relative to the bottom bracket. Its wheelbase is 59 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −22 mm
- Lower front end
- Frame reach
- −45 mm
- Shorter frame reach
- Wheelbase
- −59 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Giant Anthem Advanced 29 is drawn. The Trek Supercaliber SLR 9.9 Gen 2 numbers we have for size ML are missing the seat angle.
Geometry side by side
| Measurement | Giant Anthem Advanced 29 XL | Trek Supercaliber SLR 9.9 Gen 2 ML | Difference |
|---|---|---|---|
| Reach | 495mm | 450 | −45 mm |
| Stack | 612mm | 590 | −22 mm |
| Head tube angle | 67.5° | 67.5 | ±0.0° |
| Seat tube angle | 75.5° | not listed | |
| Effective top tube | 653mm | 605 | −48 mm |
| Chainstay length | 435mm | 435 | ±0 mm |
| Wheelbase | 1212mm | 1153 | −59 mm |
| BB drop | 42mm | 46 | +4 mm |
| Standover | 800mm | 772 | −28 mm |
| Seat tube length | 495mm | 440 | −55 mm |
| Head tube length | 115mm | 90 | −25 mm |
| BB height | not listed | 328 |
Differences are the Trek Supercaliber SLR 9.9 Gen 2 minus the Giant Anthem Advanced 29. Full charts: 2025 Giant Anthem Advanced 29, 2026 Trek Supercaliber SLR 9.9 Gen 2.
Where each sits in its class
Giant Anthem Advanced 29Trek Supercaliber SLR 9.9 Gen 2
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 | Giant Anthem Advanced 29Advanced 29 2 | Trek Supercaliber SLR 9.9 Gen 2SLR 9.9 XTR Di2 Gen 2 |
|---|---|---|
| Frame | Giant Anthem | Trek Supercaliber |
| Fork | Fox 34 Performance | Fox 34 Factory |
| Rear shock | Fox Float SL Performance Elite | RockShox SIDLuxe Ultimate |
| Shifter | Shimano XT M8100 | Shimano XTR M9250 Di2 |
| Derailleur | Shimano XT M8100 | Shimano XTR M9250 Di2 |
| Cassette | Shimano XT M8100 | Shimano XTR M9200 |
| Chain | KMC X-12 | Shimano XTR M9100 |
| Crankset | Shimano XT M8120 | E*thirteen Helix Race Carbon |
| Chainring | Shimano 32 | E*thirteen 34 |
| Bottom bracket | Shimano press fit | E*thirteen BB20-92 |
| Wheelset | Giant XCR 2 | Bontrager Kovee RSL |
| Tire | Maxxis Aspen | Maxxis Aspen |
| Hub | Giant MTB | not listed |
| Rim | Giant XCR 2 | not listed |
| Brake | Shimano SLX M7100 | Shimano XTR M9200 |
| Rotor | Shimano RT-56 | not listed |
| Handlebar | Giant Contact XC Flat | Bontrager RSL |
| Stem | Giant Contact SL XC | Bontrager RSL |
| Grips | Giant XC | not listed |
| Dropper post | Giant Contact Switch AT | Fox Transfer SL Factory |
| Saddle | Giant Grit SL | Aeolus RSL |
| Headset | not listed | FSA IS2 |
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