Front travel
200 mm
This value is within the central range for this class.
Trek Session 8 29 GX
1 of 7
Trek Session 8 29 GX
1 of 7
- $5,499
- 200 / 200
- 29″
- 1 × 7
- 227%
- 19.05
- Aluminum
- Hydraulic disc
Rider height by size (cm)
Size guide- R1
- R1
- R2
- R2
- R3
- R3
Components
Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.
Frame and fork
-
Frame
Alpha Platinum Aluminum, high main pivot, idler pulley, integrated frame protection, internal or external routing, magnesium rocker link, Mino Link, ISCG 05 2-bolt mount, Active Braking Pivot, 157x12mm thru axle, 200mm travel
Suspension
-
Fork
-
Rear shock
Drivetrain
-
Bottom bracket
-
Cassette
PG-720
-
Chain
PC-1110
-
Crankset
-
Rear derailleur
-
Shifters
Brakes
-
Brakes
-
Disc rotors
Wheels and tires
-
Rims
-
Tires
Cockpit and contact points
-
Grips
-
Handlebar
-
Headset
-
Pedals
BO-87B
-
Saddle
-
Seatpost
-
Stem
Sizes and geometry
Size explorer
Understanding sizes and measurements
Size R2
Table
Reach
472mm
Stack
634mm
Wheelbase
1274mm
Head angle
63.6°
Seat angle
77.1°
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Aluminum
- Bicycle weight
-
- 19.05 kg
- 42.0 lb
- Weight limit
-
- 136 kg
- 299.8 lb
Suspension
- Suspension configuration
-
- Full suspension
- Front travel
-
- 200 mm
- Rear travel
-
- 200 mm
Drivetrain
- Front chainrings
-
- 1
- Smallest chainring
-
- 34
- Largest chainring
-
- 34
- Rear sprockets
-
- 7
- Smallest sprocket
-
- 11
- Largest sprocket
-
- 25
- Lowest gear
-
- 39.4 in
- Highest gear
-
- 89.6 in
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Hydraulic disc
Fit and controls
- Seatpost
-
- Rigid seatpost
- Shifting
-
- Mechanical
Additional specifications
- Bottom bracket standard
-
- BSA
- Fork spring
-
- Air
- Tire clearance
-
- Maximum tire width: 2.5″
- Tire width
-
- 2.5″
- Wheel material
-
- Aluminum
- Wheel size
-
- 29″
Technical analysis
How these figures sit among bicycles of the same class and model year. Context, not a ranking.
Rear travel
200 mm
This value is within the central range for this class.
Gearing
This bicycle
- 15.1
- 34.3
Lineup changes
The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.
Changes since 2025
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