Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2024 Trek Session 8 29 GX
Value Guide market data · 2024 Trek Session 8 29 GX
12-month trend
9%
Direction and magnitude, not judgment
vs. category average
1%
Holds value better than category avg
Price over time - 2024 Trek Session 8 29 GX
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Session model years
2025$6,975 - $8,100▲ 36% vs. 20242024$5,115 - $5,940Currently viewing
2023$6,696 - $7,776▲ 31% vs. 2024
2022$6,538 - $7,592▲ 28% vs. 2024
2020$7,440 - $8,640▲ 45% vs. 2024
2019$7,812 - $9,072▲ 53% vs. 2024
2018$7,440 - $8,640▲ 45% vs. 2024
2017$9,300 - $10,800▲ 82% vs. 2024
2016$9,300 - $10,800▲ 82% vs. 2024
2015$8,305 - $9,644▲ 62% vs. 2024
2014$8,277 - $9,612▲ 62% vs. 2024
2013$8,305 - $9,644▲ 62% vs. 2024
2012$8,305 - $9,644▲ 62% vs. 2024
2011$6,147 - $7,139▲ 20% vs. 2024
2010$5,617 - $6,523▲ 10% vs. 2024
2009$5,933 - $6,890▲ 16% vs. 2024
2007$3,255 - $3,780▼ 36% vs. 2024
2006$4,650 - $5,400▼ 9% vs. 2024
2005$2,558 - $2,970▼ 50% vs. 20242024 Session 8 29 GX lineup
Overview
About this bike
2024 Trek Session 8 29 GX value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Cable Management
- Cable Guide, Double, for 2012 FS Platforms
- Fork
- RockShox Boxxer, DebonAir+ spring, Rush RC damper, 52mm offset, BoostDH 110x20 Maxle Stealth, 200mm travel, SRAM Part Number 00.4020.871.000
- Shock
- Marzocchi Rear Shock Bomber, 400lb coil spring, 250mm x 72.5mm, 29.97mm x 8mm Pin Mount Upper Width, 24.89mm x 8mm Pin Mount Lower Width, Fox Part Number 968-61-170
- Suspension Link
- Trek Rocker Link Session 29 2022 Magnesium, Left and right set, Paint Match Satin Dnister
Drivetrain
- Groupset
- SRAM GX
- Bottom Bracket
- SRAM DUB BSA MTB83
- Cassette
- SRAM Cassette PG-720 11-25 7 Speed, SRAM Manufacturer's Part Number 00.2418.066.000
- Chain
- SRAM PC-1110 11sp with Powerlink
- Crank
- DH Crank, SRAM DUB83, 165mm, 34st
- Rear Derailleur
- SRAM GX DH 1x7sp Rear, Medium Cage
- Shifters
- SRAM GX DH 7sp Trigger Shifter
Brakes
- Brake
- SRAM Hydraulic Disc Brake Code Bronze Stealth, Front Brake, 900mm Hose Length, SRAM Part Number 92.5020.765.100
- Brake Rotor
- Avid Disc Brake Rotor, Centerline, 220mm/6-Bolt
Cockpit
- Grips
- Bontrager Grips XR Trail Elite, 130mm, Black
- Handlebar
- Bontrager Handlebar Line, 35x780mm, 27.5mm Rise
- Headset
- FSA Headset 49mm/56mm Zero Offset for Session 2018 Black
- Headset Part
- Bontrager Headset Topcap, w/ Star Nut, Black
- Saddle
- Bontrager Saddle Arvada Chromoly Rails Medium Black
- Seatpost
- Bontrager Seatpost Rhythm Elite 31.6mm 330mm Length Black
- Spacer
- Headset Spacer, 5mm 1-1/8in, Black
- Stem
- Bontrager Line Pro DH Direct Mount Stem 35.0mm Clamp Black
Wheels & Tires
- Front Wheel
- Bontrager Line DH 30 29'', 32H, Anthracite/Black
- Rear Wheel
- Bontrager Line DH 30 29'', 32H, Shimano 7-Speed, Anthracite/Black
- Rim
- Bontrager Line DH 30 Rim, 29in 32h TLR Disc, Presta, Anthracite/Black
- Rim Strip
- Bontrager Rim Strip Line 29 Symmetrical
- Tire
- Bontrager G5 Team Issue, wire bead, 2-ply 60 tpi, 29x2.50''
- Tube
- Bontrager Innertube 29x2.5-3.0 Presta Valve
Pedals
- Pedal
- Wellgo BO-87B3B Aluminum Platform with Pins
Accessories
- Bike Part Misc.
- SRAM Hinge Clamp Matchmaker X, For Discrete Brake/Shifter/Suspension/Seatpost Control, Left & Right Pair, Black
- Cable Housing Set
- Bontrager Shift Housing 4mm Diameter, Black
- Decal
- Stick-On Trek Shield Headtube Badge, Black
- Fastener
- Trek Fastener M4x0.7x16mm Flat Head Countersunk 3mm Hex Driver For Use with Knock Block Frame Chip and Control Freak Cable Management, quantities needed vary by bike model
- Seat Collar
- Bontrager Seatpost Collar 36.4 Black
- Stay
- Trek Chainstay Session 29 2022 Aluminum, 157x12 OLD, Paint Match Satin Dnister Black
- Touch-Up Paint
- Paint Color: Satin Trek Black, TK001-S
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.