Which size or configuration labels have geometry for the 2010 Trek Session?

Geometry is listed for S, M, and L.

What are the reach and stack of the 2010 Trek Session in size M?

In size M, reach is 390 mm and stack is 598 mm.

What is the head tube angle of the 2010 Trek Session?

The head tube angle is 64.0 degrees in every size.

What does the 2010 Trek Session 8 ship with?

The stock build includes Trek Alpha Red, RockShox BoXXer, SRAM X-7, and Bontrager Big Earl.

Which years of the Trek Session are on Quiver?

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

2010

2010 Trek Session

Downhill

The 2010 Trek Session sits at the upright end of the range for a downhill bike, with a longer rear center. Reach 367 to 415 mm, stack 598 to 598 mm. The Session 8 build comes with SRAM X-9 shifting and Bontrager Big Earl wheels.

Compare with 170+ dh bikes

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

Key facts

Brand: Trek
Model: Session
Model year: 2010
Type: Downhill
Geometry labels: S, M, and L
Drivetrain: Varies by build
Fork: Varies by build
Wheels: Bontrager Big Earl
Geometry: Complete for every size
Source: trekbikes.com
Checked: Oct 12, 2026

Geometry by size

2010 Trek Session geometry by size
Measurement	S	M	L
Reach(mm)	367	390	415
Stack(mm)	598	598	598
Head tube angle(°)	64.0	64.0	64.0
Effective top tube(mm)	573	596	622
Chainstay length(mm)	440	440	440
Wheelbase(mm)	1145	1168	1193
BB height(mm)	363	363	363
Standover(mm)	830	830	830
Seat tube length(mm)	387	419	457

How to read a geometry chart

Stock build

Session 814 parts

Frame

Trek Alpha Red

Frame

Suspension

RockShox BoXXer

ForkTravel 180 / 190 / 200mmOffset 44 / 48 / 52mm

Drivetrain

SRAM X-7

Shifter

SRAM X-9

Derailleur

SRAM PG-970

CassetteSpeeds 9

Race Face Respond DH

Crankset

Wellgo BO-87B

Pedals

Wheels & Tires

Bontrager Big Earl

Wheelset

Maxxis Minion DHF

Tire

Brakes

Avid Elixir

Brake

Cockpit

Bontrager Big Earl

Handlebar

Bontrager Big Earl

Stem

FSA NO.57E

Headset

Seatpost & Saddle

Bontrager Rhythm

Seatpost

Keep your Session 8 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

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Session 8814 parts

Frame

Trek Alpha Red

Frame

Suspension

Fox RC2

Fork

Drivetrain

SRAM X-0

Shifter

SRAM X-0

Derailleur

SRAM PG-970

CassetteSpeeds 9

Shimano Saint

Crankset

Wellgo MG-1

Pedals

Wheels & Tires

Bontrager Big Earl

Wheelset

Maxxis Minion DHF

Tire

Brakes

Avid Elixir CR Mag

Brake

Cockpit

Bontrager Big Earl

Handlebar

Race Face Atlas

Stem

Cane Creek Frustum SE

Headset

Seatpost & Saddle

Bontrager Rhythm

Seatpost

Keep your Session 88 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App Store Free on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Sources agreeManufacturer

Keep the factory build and your current parts distinct

Quick answers

Which size or configuration labels have geometry for the 2010 Trek Session?: Geometry is listed for S, M, and L.
What are the reach and stack of the 2010 Trek Session in size M?: In size M, reach is 390 mm and stack is 598 mm.
What is the head tube angle of the 2010 Trek Session?: The head tube angle is 64.0 degrees in every size.
What does the 2010 Trek Session 8 ship with?: The stock build includes Trek Alpha Red, RockShox BoXXer, SRAM X-7, and Bontrager Big Earl.
Which years of the Trek Session are on Quiver?: Quiver has the Trek Session for 2010, 2027, 2025, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2011, and 2005.