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
Previous used estimate
$3,232 - $3,325
Actual value depends on condition, size, and local demand.
Value Guide market data · 2024 Trek Session 8 29 GX
12-month projected trend
9%
Direction and magnitude, not judgment
vs. category average
14%
Drops faster 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$5,299 - $5,452▲ 64% vs. 20242024$3,232 - $3,325Currently viewing
2023$3,443 - $3,542▲ 7% vs. 2024
2022$2,913 - $2,997▼ 10% vs. 2024
2020$2,485 - $2,557▼ 23% vs. 2024
2019$2,344 - $2,411▼ 27% vs. 2024
2018$2,169 - $2,231▼ 33% vs. 2024
2017$2,103 - $2,164▼ 35% vs. 2024
2016$1,809 - $1,861▼ 44% vs. 2024
2015$1,642 - $1,689▼ 49% vs. 2024
2014$1,717 - $1,767▼ 47% vs. 2024
2013$1,723 - $1,772▼ 47% vs. 2024
2012$1,644 - $1,691▼ 49% vs. 2024
2011$1,186 - $1,220▼ 63% vs. 2024
2010$1,213 - $1,248▼ 62% vs. 2024
2009$1,197 - $1,231▼ 63% vs. 2024
2007$768 - $790▼ 76% vs. 2024
2006$831 - $855▼ 74% vs. 2024
2005$494 - $509▼ 85% vs. 2024Overview
About this bike
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.
Specifications
- Subtype
- Downhill
- Category
- Mountain
- Component Rim
- Bontrager Line DH 30 Rim, 29in 32h TLR Disc, Presta, Anthracite/Black
- Component Fork
- RockShox Boxxer, DebonAir+ spring, Rush RC damper, 52mm offset, BoostDH 110x20 Maxle Stealth, 200mm travel, SRAM Part Number 00.4020.871.000
- Component Stay
- Trek Chainstay Session 29 2022 Aluminum, 157x12 OLD, Paint Match Satin Dnister Black
- Component Stem
- Bontrager Line Pro DH Direct Mount Stem 35.0mm Clamp Black
- Component Tire
- Bontrager G5 Team Issue, wire bead, 2-ply 60 tpi, 29x2.50''
- Component Tube
- Bontrager Innertube 29x2.5-3.0 Presta Valve
- Product Family
- Session
- Component Brake
- SRAM Hydraulic Disc Brake Code Bronze Stealth, Front Brake, 900mm Hose Length, SRAM Part Number 92.5020.765.100
- Component Chain
- SRAM PC-1110 11sp with Powerlink
- Component Crank
- DH Crank, SRAM DUB83, 165mm, 34st
- Component Decal
- Stick-On Trek Shield Headtube Badge, Black
- Component Grips
- Bontrager Grips XR Trail Elite, 130mm, Black
- Component Pedal
- Wellgo BO-87B3B Aluminum Platform with Pins
- Component 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
- Component Saddle
- Bontrager Saddle Arvada Chromoly Rails Medium Black
- Component Spacer
- Headset Spacer, 5mm 1-1/8in, Black
- Component Headset
- FSA Headset 49mm/56mm Zero Offset for Session 2018 Black
- Component Shifter
- SRAM GX DH 7sp Trigger Shifter
- Component Cassette
- SRAM Cassette PG-720 11-25 7 Speed, SRAM Manufacturer's Part Number 00.2418.066.000
- Component 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
- Component Seatpost
- Bontrager Seatpost Rhythm Elite 31.6mm 330mm Length Black
- Component Handlebar
- Bontrager Handlebar Line, 35x780mm, 27.5mm Rise
- Component Rim Strip
- Bontrager Rim Strip Line 29 Symmetrical
- Component Rear Wheel
- Bontrager Line DH 30 29'', 32H, Shimano 7-Speed, Anthracite/Black
- Component Brake Rotor
- Avid Disc Brake Rotor, Centerline, 220mm/6-Bolt
- Component Front Wheel
- Bontrager Line DH 30 29'', 32H, Anthracite/Black
- Component Seat Collar
- Bontrager Seatpost Collar 36.4 Black
- Component Headset Part
- Bontrager Headset Topcap, w/ Star Nut, Black
- Component Bike Part Misc
- SRAM Hinge Clamp Matchmaker X, For Discrete Brake/Shifter/Suspension/Seatpost Control, Left & Right Pair, Black
- Component Bottom Bracket
- SRAM DUB BSA MTB83
- Component Touch Up Paint
- Paint Color: Satin Trek Black, TK001-S
- Component Rear Derailleur
- SRAM GX DH 1x7sp Rear, Medium Cage
- Component Suspension Link
- Trek Rocker Link Session 29 2022 Magnesium, Left and right set, Paint Match Satin Dnister
- Component Cable Management
- Cable Guide, Double, for 2012 FS Platforms
- Component Cable Housing Set
- Bontrager Shift Housing 4mm Diameter, Black
- Bottom Bracket
- SRAM DUB BSA MTB83
- Chain
- SRAM PC-1110 11sp with Powerlink
- Seatpost
- Bontrager Seatpost Rhythm Elite 31.6mm 330mm Length Black
- Saddle
- Bontrager Saddle Arvada Chromoly Rails Medium Black
- Handlebar
- Bontrager Handlebar Line, 35x780mm, 27.5mm Rise
- Headset
- FSA Headset 49mm/56mm Zero Offset for Session 2018 Black
- Rear Derailleur
- SRAM GX DH 1x7sp Rear, Medium Cage
- Stem
- Bontrager Line Pro DH Direct Mount Stem 35.0mm Clamp Black
- Cassette
- SRAM Cassette PG-720 11-25 7 Speed, SRAM Manufacturer's Part Number 00.2418.066.000
- Fork
- RockShox Boxxer, DebonAir+ spring, Rush RC damper, 52mm offset, BoostDH 110x20 Maxle Stealth, 200mm travel, SRAM Part Number 00.4020.871.000
- Shifter
- SRAM GX DH 7sp Trigger Shifter
- Rear Wheel
- Bontrager Line DH 30 29'', 32H, Shimano 7-Speed, Anthracite/Black
- Front Wheel
- Bontrager Line DH 30 29'', 32H, Anthracite/Black
- Brake
- SRAM Hydraulic Disc Brake Code Bronze Stealth, Front Brake, 900mm Hose Length, SRAM Part Number 92.5020.765.100
- Cable Housing Set
- Bontrager Shift Housing 4mm Diameter, Black
- Crank
- DH Crank, SRAM DUB83, 165mm, 34st
- Decal
- Stick-On Trek Shield Headtube Badge, Black
- Grips
- Bontrager Grips XR Trail Elite, 130mm, Black
- Bike Part Misc.
- SRAM Hinge Clamp Matchmaker X, For Discrete Brake/Shifter/Suspension/Seatpost Control, Left & Right Pair, Black
- Pedal
- Wellgo BO-87B3B Aluminum Platform with Pins
- Rim
- Bontrager Line DH 30 Rim, 29in 32h TLR Disc, Presta, Anthracite/Black
- Rim Strip
- Bontrager Rim Strip Line 29 Symmetrical
- Seat Collar
- Bontrager Seatpost Collar 36.4 Black
- Tire
- Bontrager G5 Team Issue, wire bead, 2-ply 60 tpi, 29x2.50''
- Touch-Up Paint
- Paint Color: Satin Trek Black, TK001-S
- Tube
- Bontrager Innertube 29x2.5-3.0 Presta Valve
- Brake Rotor
- Avid Disc Brake Rotor, Centerline, 220mm/6-Bolt
- Cable Management
- Cable Guide, Double, for 2012 FS Platforms
- 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
- Headset Part
- Bontrager Headset Topcap, w/ Star Nut, Black
- Spacer
- Headset Spacer, 5mm 1-1/8in, Black
- 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
- Stay
- Trek Chainstay Session 29 2022 Aluminum, 157x12 OLD, Paint Match Satin Dnister Black
- Suspension Link
- Trek Rocker Link Session 29 2022 Magnesium, Left and right set, Paint Match Satin Dnister
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.