2021
2021 Trek Session 9.9 29
The 2021 Trek Session 9.9 29 sits more upright than most downhill bikes, with a slacker head angle. Reach 401 to 465 mm, stack 616 to 616 mm. The Session 9.9 29 build comes with SRAM X01 DH shifting and Bontrager Line DH 30 wheels.
Source: trekbikes.com. Checked .
Key facts
- Brand
- Trek
- Model
- Session
- Model year
- 2021
- Frame
- 9.9 29
- Type
- Downhill
- Geometry labels
- S, M, L, and XL
- Drivetrain
- SRAM X01 DH
- Wheels
- Bontrager Line DH 30
- Geometry
- Complete for every size
- Source
- trekbikes.com
- Checked
Geometry by size
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Reach(mm) | 401 | 419 | 440 | 465 |
| Stack(mm) | 616 | 616 | 616 | 616 |
| Head tube angle(°) | 62.6 | 62.6 | 62.6 | 62.6 |
| Seat tube angle(°) | 73.6 | 73.6 | 73.6 | 73.6 |
| Effective top tube(mm) | 582 | 601 | 622 | 647 |
| Chainstay length(mm) | 452 | 452 | 452 | 452 |
| Wheelbase(mm) | 1228 | 1247 | 1268 | 1293 |
| BB drop(mm) | 16 | 16 | 16 | 16 |
| BB height(mm) | 356 | 356 | 356 | 356 |
| Standover(mm) | 741 | 742 | 749 | 751 |
| Seat tube length(mm) | 425 | 425 | 456 | 456 |
| Head tube length(mm) | 115 | 115 | 115 | 115 |
Stock build
17 parts
Frame
Trek OCLV
Suspension
RockShox BoXXer Ultimate
Drivetrain
Wheels & Tires
Brakes
SRAM Code RSC
Cockpit
Seatpost & Saddle
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Quick answers
- Which size or configuration labels have geometry for the 2021 Trek Session 9.9 29?
- Geometry is listed for S, M, L, and XL.
- What are the reach and stack of the 2021 Trek Session 9.9 29 in size L?
- In size L, reach is 440 mm and stack is 616 mm.
- What is the head tube angle of the 2021 Trek Session 9.9 29?
- The head tube angle is 62.6 degrees in every size.
- What does the 2021 Trek Session 9.9 29 ship with?
- The stock build includes Trek OCLV, RockShox BoXXer Ultimate, SRAM X0 1 DH, and Bontrager Line DH 30.
- Which years of the Trek Session are on Quiver?
- Quiver has the Trek Session for 2021, 2027, 2025, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2011, 2010, and 2005.
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