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2026 Trek Session 8 29 GX Bike

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8 29 gx
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Trek
Where To Buy
$70 standard shipping on bikes (continental U.S. only).
$70 standard shipping on bikes (continental U.S. only).
$5,499.99
Session 8 29 GX
$5,499.99
Free U.S. shipping on everything.
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.

Specifications

Product
Trek Session 8 29 GX Bike
Model Year
2026
Intended Use
Downhill
Freeride / Bike Park
Rider
Unisex
Sizes and Geometry
R1 (High, Low)
R2 (High, Low)
R3 (High, Low)
View Full Geometry
Sizes Additional Info
• Geometry adjustable via two-position Mino Link flip chip in rear rocker link pivot


• All specifications listed are with 200mm travel fork with 46mm offset for a trail value of 131mm (High) or 136mm (Low) in all sizes
View Full Geometry
Wheel Size
29"
Frame Material
Aluminum
Frame Material Details
Alpha Platinum Aluminum, magnesium rocker link; molded chainstay, lower down tube, and shuttle guard protection
Rear Travel
200mm
Rear Shock
Marzocchi Bomber, 250mm length x 72.5mm stroke
Spring rates: 400lbs (R1), 450lbs (R2), 500lbs (R3)
Fork
RockShox BoXXer, DebonAir+ spring, Rush RC damper, 38mm stanchions, 52mm offset, Maxle Stealth thru-axle
Fork Travel
200mm
Head Tube Diameter
Tapered, 1.125" top, 1.5" bottom
Headset
FSA Orbit, sealed cartridge bearings, includes geometry adjust angled cups
Handlebar
Bontrager Line Alloy, 780mm width, 27.5mm rise, 35mm clamp diameter
Stem
Bontrager Line Pro, direct mount, 50mm length, 35mm bar clamp
Grips
Trek Line Pro, lock-on
Brakes
SRAM Maven Bronze, 4-piston
Rotors: SRAM CenterLine 2.0, 6-bolt, 200mm
Brake Levers
SRAM Maven Bronze Stealth, tool-free reach adjust
Drivetrain
1x
Shifters
SRAM GX DH, 7-speed
Front Derailleur
None
Rear Derailleur
SRAM GX DH, 7-speed, medium cage
ISCG Tabs
ISCG05 2-bolt
Chainguide
Integrated high-pivot upper idler pulley guide, with bashguard and lower pulley guide
Cranks
TruVativ Descendant DH DUB, 165mm length
Chainrings
TruVativ Descendant DH, steel, 34 tooth
Bottom Bracket
SRAM DUB, 83mm English/BSA threaded
Pedals
Wellgo BO-87B platform, alloy body, CrMo axle, replaceable pins
Chain
SRAM PC-1110, 11-speed
Cassette
SRAM PG-720, 7-speed, 11-25 tooth
Rims
Bontrager Line DH 30 Alloy, tubeless ready
Hubs
Bontrager Line DH wheelset, 20mm x 110mm (Boost) front, 12mm x 157mm rear with Rapid Drive 108 freehub and HG driver
Spokes
Bontrager Line DH wheelset
Tires
Bontrager G5 Team Issue, wire bead, 2-ply 60 TPI, 29" x 2.5"
Saddle
Trek Verse Short Comp, steel rails, 145mm width
Seatpost
Bontrager Rhythm Elite, zero offset, 330mm length
Seatpost Diameter
31.6mm
Seatpost Clamp
Single bolt
Rear Dropout / Hub Dimensions
12mm x 157mm
Max. Tire Size
29" x 2.5"
Bottle Cage Mounts
None
Colors
Chameleon Green
Warranty
Lifetime frame and wheels; 2 years Trek/Bontrager components, suspension linkage parts, and paint/decals
Weight
42 lb 0 oz (19050 g)
Miscellaneous
• High main pivot rear suspension design
• ABP (Active Braking Pivot)
• Geometry adjustable via two-position Mino Link flip chip in rear rocker link pivot
• Suspension progressivity adjustable (20% plush or 25% efficient) via flip chip at lower shock mount
• Compatible with mixed ("Mullet") setups: 29" front wheel, 27.5" rear wheel
• Internal or external cable routing
• Includes Bontrager TLR tubeless rim strips
• Weight given for size R2 set up with tubes
Price
$5,499.99
More Info

Trek website

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Where To Buy
$70 standard shipping on bikes (continental U.S. only).
$70 standard shipping on bikes (continental U.S. only).
$5,499.99
Session 8 29 GX
$5,499.99
Free U.S. shipping on everything.
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.
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