2026 Trek Session 8 29 GX Aluminium Downhill Mountain Bike

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3,500.00 USD

Brand: Trek

Product Code: TR903319WR

Availability: In Stock

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Product Description

2026 Trek Session 8 29 GX Aluminium Downhill Mountain Bike

The Session 8 is a downhill mountain bike with a burly alloy frame and high-pivot suspension design that keeps you nimble, planted, and blazing-fast on even the most punishing runs.

It's right for you if...

You practically live at the downhill park and want a fast, traction-packed DH bike that can handle your gnarliest runs. You value a suspension design that keeps you in total control all the way down the mountain.

The Tech You Get

Burly Alpha Platinum Aluminium frame with integrated frame protection.
200 mm rear travel with a Marzocchi Bomber shock and 200 mm RockShox Boxxer with DebonAir+ spring.
Powerful SRAM Maven Bronze 4-piston hydraulic disc brakes for superb stopping power.
DH-specific SRAM GX DH 7-speed drivetrain to keep shifting simple and reliable.

Key Features & Benefits

High Pivot & ABP: Trek's patented Active Braking Pivot and high-pivot layout keep suspension active for increased traction and virtually eliminate pedal kickback.
Mino Link: Fine-tune your geometry quickly to adjust head tube angle and BB height based on track conditions.
SRAM Maven Power: Provides elite-level thermal management and braking modulation for long, steep descents.
DH-Specific Build: Every component is chosen for durability in the bike park, from the 2-ply tires to the 7-speed drivetrain.

Full Specifications

FRAMESET
Frame	Alpha Platinum Aluminium, high main pivot, idler pulley, Mino Link, ABP, 157x12 mm thru-axle, 200 mm travel.
Fork	RockShox Boxxer, DebonAir+ spring, Rush RC damper, 200 mm travel.
Rear Shock	Marzocchi Bomber, 400 - 500 lb spring (size specific), 250 mm x 72.5 mm.
DRIVETRAIN
Shifter	SRAM GX DH, 7-speed trigger.
Rear Derailleur	SRAM GX DH, medium cage.
Crankset	Truvativ Descendant DH, DUB 83, 34T steel ring, 165 mm length.
Cassette	SRAM PG-720, 11-25, 7-speed.
Bottom Bracket	SRAM DUB, 83 mm, BSA threaded.
COMPONENTS
Brakes	SRAM Maven Bronze 4-piston hydraulic disc.
Handlebar	Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width.
Stem	Bontrager Line Pro, 35 mm, Direct Mount, 50 mm length.
Saddle	Bontrager Arvada, hollow chromoly rails.
WHEELS & TYRES
Wheels	Bontrager Line DH 30, Tubeless-Ready, Rapid Drive 108.
Tyres	Bontrager G5 Team Issue, wire bead, 2-ply 60tpi, 29x2.50".

Sizing Chart

Size	Rider Height	Inseam
R1	161 - 175 cm (5'3" - 5'9")	76 - 82 cm (30" - 32")
R2	174 - 188 cm (5'9" - 6'2")	82 - 88 cm (32" - 35")
R3	186 - 196 cm (6'1" - 6'5")	87 - 92 cm (34" - 36")