2025 Trek Session 8 29 GX – Downhill Mountain Bike

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Specifications

Specification	Details
Model	Session 8 29 GX
Vehicle Category	Downhill Mountain Bike
Application	Downhill racing, freeride
Starting Price (2025)	$5,499.93 USD (Original: $6,049.99)
Color Options	Satin Trek Black
Sizes	R1, R2, R3

Frame & Drivetrain

Specification	Details
Frame	Alpha Platinum Aluminum, high-pivot suspension, 200mm travel, internal routing, adjustable geometry, Boost148
Fork	RockShox Boxxer Select, DebonAir spring, Charger 2.1 RC damper, 46mm offset, Boost110, 20mm thru axle, 200mm travel
Rear Shock	Marzocchi Bomber, coil, 250x75mm
Drivetrain Compatibility	SRAM GX DH, 7-speed
Dropouts	20x110mm thru axle (F), 148x12mm thru axle (R)
Crank	SRAM GX DH, 36T, 165mm
Chain	SRAM PC-1110, 11-speed
Rear Derailleur	SRAM GX DH, 7-speed
Front Derailleur	N/A (1x drivetrain)
Shifters	SRAM GX DH, 7-speed
Cassette	SRAM PG-720, 11-25, 7-speed

Components & Features

Specification	Details
Seating	Bontrager Arvada, steel rails, 138mm width
Wheels/Tyres	Bontrager Line DH 30, Tubeless Ready, 29x2.5"
Wheel Size	29" in
Brakes	SRAM Code Bronze, 4-piston hydraulic disc, 220mm front/200mm rear rotors
Brake Levers	SRAM Code Bronze
Handlebar	Bontrager Line, alloy, 35mm, 27.5mm rise, 800mm width
Stem	Bontrager Line Pro, 35mm, 0 degree, 50mm length
Headset	FSA Orbit, sealed cartridge bearing
Saddle	Bontrager Arvada, steel rails, 138mm width
Seatpost	Bontrager Rhythm Comp, 31.6mm, 0mm offset, 330mm length
Grips	Bontrager XR Trail Comp, nylon lock-on
Front Hub	Bontrager alloy, sealed bearing, 6-bolt, 20x110mm thru axle
Rear Hub	Bontrager alloy, sealed bearing, 6-bolt, SRAM XD freehub, 148x12mm thru axle
Rims	Bontrager Line DH 30, Tubeless Ready, 29mm width
Spokes	14g stainless steel, black
Exterior Features	High-pivot suspension, internal routing, adjustable geometry, downtube protection
Weight	17.2 kg / 37.92 lbs (size R2)

* All the images are screenshots!
* Data has been taken from official website (Publicly Available)!