Which size or configuration labels have geometry for the 2013 Trek Session 9.9?

Geometry is listed for S, M, L, and XL.

What are the reach and stack of the 2013 Trek Session 9.9 in size L?

In size L, reach is 423 mm and stack is 609 mm.

What is the head tube angle of the 2013 Trek Session 9.9?

The head tube angle is 64.2 degrees in every size.

What does the 2013 Trek Session 9.9 ship with?

The stock build includes Trek OCLV, Fox Factory, Shimano Saint, and Bontrager G4 Team.

Which years of the Trek Session are on Quiver?

Quiver has the Trek Session for 2013, 2027, 2025, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2011, 2010, and 2005.

2013

2013 Trek Session 9.9

Downhill

The 2013 Trek Session 9.9 sits at the upright end of the range for a downhill bike, with a longer rear center. Reach 383 to 444 mm, stack 605 to 609 mm. The Session 9.9 build comes with Shimano Saint Shadow Plus shifting and Bontrager G4 Team tires.

Compare with 180+ dh bikes

Source: trekbikes.com. Checked Oct 12, 2026.

Key facts

Brand: Trek
Model: Session
Model year: 2013
Frame: 9.9
Type: Downhill
Geometry labels: S, M, L, and XL
Drivetrain: Shimano Saint Shadow Plus
Fork: Fox Factory
Geometry: Complete for every size
Source: trekbikes.com
Checked: Oct 12, 2026

Geometry by size

2013 Trek Session 9.9 geometry by size
Measurement	S	M	L	XL
Reach(mm)	383	398	423	444
Stack(mm)	605	609	609	609
Head tube angle(°)	64.2	64.2	64.2	64.2
Effective top tube(mm)	566	582	607	627
Chainstay length(mm)	439	439	439	439
Wheelbase(mm)	1166	1181	1206	1227
BB drop(mm)	21	21	21	21
BB height(mm)	364	364	364	364
Standover(mm)	780	780	780	780
Seat tube length(mm)	413	440	440	487
Head tube length(mm)	120	125	125	125

How to read a geometry chart

Stock build

14 parts

Frame

Trek OCLV

Frame

Suspension

Fox Factory

Fork

Drivetrain

Shimano Saint

ShifterSpeeds 10

Shimano Saint Shadow Plus

Derailleur

Shimano Ultegra

CassetteSpeeds 10

Shimano Saint

Crankset

Wellgo MG-1

Pedals

Wheels & Tires

Bontrager G4 Team

Tire

Brakes

Shimano Saint

Brake

Cockpit

Bontrager Rhythm

Handlebar

TruVativ Holzfeller

Stem

Cane Creek E2

Headset

Seatpost & Saddle

Bontrager Rhythm Elite

Seatpost

Bontrager Evoke 3

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2013 Trek Session 9.9?: Geometry is listed for S, M, L, and XL.
What are the reach and stack of the 2013 Trek Session 9.9 in size L?: In size L, reach is 423 mm and stack is 609 mm.
What is the head tube angle of the 2013 Trek Session 9.9?: The head tube angle is 64.2 degrees in every size.
What does the 2013 Trek Session 9.9 ship with?: The stock build includes Trek OCLV, Fox Factory, Shimano Saint, and Bontrager G4 Team.
Which years of the Trek Session are on Quiver?: Quiver has the Trek Session for 2013, 2027, 2025, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2011, 2010, and 2005.