Quiver

Trek2025

2025 Trek Session

Downhill

The 2025 Trek Session is a downhill bike. The Session 8 build comes with Bontrager Line DH 30 wheels.

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Key facts

Brand
Trek
Model
Session
Model year
2025
Geometry labels
R1, R2, and R3
Geometry
Complete for every size
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Geometry by size

2025 Trek Session geometry by size
MeasurementR1R2R3
Head tube angle(°)636363
Effective top tube(mm)587618653
Chainstay length(mm)439445452
Wheelbase(mm)124612771312
Standover(mm)747751749
Sources agree

Stock build

16 parts

Frame

Suspension

ForkFrom the manufacturer: Wheel size 27.5Travel 180 / 190 / 200mmOffset 44 / 48 / 52mm

Drivetrain

CassetteFrom the manufacturer: Freehub body n/a
TruVativ Descendant GX
CranksetFrom the manufacturer: Chainring interface 1xFrom the manufacturer: Spindle / BB interface DUBFrom the manufacturer: Speeds 12
TruVativ 34
Chainring

Wheels & Tires

Bontrager G5
Tire

Brakes

BrakePiston count 4

Cockpit

HandlebarFrom the manufacturer: Material Aluminum
StemFrom the manufacturer: Steerer diameter 1.5"

Seatpost & Saddle

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Quick answers

Which size or configuration labels have geometry for the 2025 Trek Session?
Geometry is listed for R1, R2, and R3.
What is the head tube angle of the 2025 Trek Session?
The head tube angle is 63 degrees in every size.
What does the 2025 Trek Session 8 ship with?
The stock build includes Trek Session 8, RockShox BoXXer, SRAM GX DH, and Bontrager Line DH 30.
Which years of the Trek Session are on Quiver?
Quiver has the Trek Session for 2025, 2027, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2011, 2010, and 2005.

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