2027 Trek Session AL vs 2025 YT Tues 29 Limited
The L is the YT Tues 29 Limited size closest to your R2 Trek Session AL. 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 YT Tues 29 Limited
Compared with the Trek Session AL in R2, the YT Tues 29 Limited in L places the top of the head tube 8 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +8 mm
- Higher front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.1°
- About the same head angle
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Trek Session AL is drawn. The YT Tues 29 Limited numbers we have for size L are missing the chainstay length and wheelbase.
Geometry side by side
| Measurement | Trek Session AL R2 | YT Tues 29 Limited L | Difference |
|---|---|---|---|
| Reach | 472 | 470 | −2 mm |
| Stack | 634 | 642 | +8 mm |
| Head tube angle | 63.6° | 63.5 | −0.1° |
| Seat tube angle | 77.1° | 76.5 | −0.6° |
| Effective top tube | 617 | 624 | +7 mm |
| Chainstay length | 441 | not listed | |
| Wheelbase | 1274 | not listed | |
| BB drop | 12 | not listed | |
| BB height | 359 | 351 | −8 mm |
| Standover | 759 | 727 | −32 mm |
| Seat tube length | 425 | 420 | −5 mm |
| Head tube length | 117 | 110 | −7 mm |
Differences are the YT Tues 29 Limited minus the Trek Session AL. Full charts: 2027 Trek Session AL, 2025 YT Tues 29 Limited.
Where each sits in its class
Trek Session ALYT Tues 29 Limited
Each bike is ranked against the other downhill 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 Session ALAL | YT Tues 29 Limited29 Limited |
|---|---|---|
| Rear shock | Marzocchi Bomber | RockShox VIVID DH COIL Ultimate |
| Fork | not listed | RockShox BoXXer Ultimate |
| Shifter | not listed | TRP EVO 7 DH M9070 |
| Derailleur | not listed | TRP EVO 7 DH M9070 |
| Cassette | not listed | TRP EVO 7 DH M9070 |
| Crankset | not listed | TRP EVO 7 M9070 |
| Bottom bracket | not listed | TRP BB M8000 |
| Wheelset | not listed | crankbrothers Synthesis DH Carbon |
| Tire | not listed | Continental Kryptotal |
| Brake | not listed | TRP EVO Pro |
| Handlebar | not listed | Title MTB FORM CARBON 35 |
| Stem | not listed | Title MTB DM 1 CHROME 35 |
| Grips | not listed | ODI Reflex |
| Headset | not listed | Acros AZX-255 |
| Seatpost | not listed | SDG I-BEAM ALLOY |
| Saddle | not listed | SDG I-Fly 2.0 |
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