Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2019 Trek Session 8 27.5
Previous used estimate
$1,515 - $1,559
Actual value depends on condition, size, and local demand.
Value Guide market data · 2019 Trek Session 8 27.5
12-month projected trend
15%
Direction and magnitude, not judgment
vs. category average
1%
Holds value better than category avg
Price over time - 2019 Trek Session 8 27.5
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▲ 250% vs. 2019
2024$3,232 - $3,325▲ 113% vs. 2019
2023$3,443 - $3,542▲ 127% vs. 2019
2022$2,913 - $2,997▲ 92% vs. 2019
2020$2,485 - $2,557▲ 64% vs. 20192019$1,515 - $1,559Currently viewing
2018$2,169 - $2,231▲ 43% vs. 2019
2017$2,103 - $2,164▲ 39% vs. 2019
2016$1,809 - $1,861▲ 19% vs. 2019
2015$1,642 - $1,689▲ 8% vs. 2019
2014$1,717 - $1,767▲ 13% vs. 2019
2013$1,723 - $1,772▲ 14% vs. 2019
2012$1,644 - $1,691▲ 8% vs. 2019
2011$1,186 - $1,220▼ 22% vs. 2019
2010$1,213 - $1,248▼ 20% vs. 2019
2009$1,197 - $1,231▼ 21% vs. 2019
2007$768 - $790▼ 49% vs. 2019
2006$831 - $855▼ 45% vs. 2019
2005$494 - $509▼ 67% vs. 2019Overview
About this bike
Session 8 is the DH mountain bike with a park-focused geometry that shines on big hits at the bike park. It's built with a burly aluminum frame, 200mm/210mm front and rear RockShox suspension, and a SRAM GX DH parts group chosen to stand up to the roughest lines you can find. It's right for you if... You're a regular on the lifts and at the bike park. You're looking for a playful, versatile, durable DH rig with proven performance and a park-ready geometry, and want a lot of tech for your money. The tech you get An Alpha Platinum Aluminum frame, 200mm/210mm RockShox front and rear suspension with an adjustable air fork, Bontrager Line DH wheels, SRAM Guide R brakes, and a DH-specific SRAM GX 7-speed drivetrain. Race, rip, ride. This bike does it all. The final word Fast, durable, agile, and stable. Session 8 is fully capable of taking on the gnarliest descents, the biggest jumps, and the burliest trails. It's a versatile, confidence-inspiring ride with the best in DH tech and a geometry that's not so low and long that it doesn't play nice at the park. Why you'll love it 1 - Session 8 has the heart of a monster truck: it rolls over everything, gives you the confidence to take on rougher trails, and saves you when you don't take the right line 2 - The RockShox suspension paired with our ABP frame design is made to keep you in control 3 - The durable, DH-specific 7-speed drivetrain keeps things simple, so you can focus on shredding and getting rad
Specifications
- Subtype
- Downhill
- Category
- Mountain
- Component Fork
- RockShox BoXXer RC Air, low speed compression, internal preload, Motion Control IS, 20mm Maxle DH, 200mm travel
- Component Size
- Small, Medium, Large, X-Large
- Component Stem
- Bontrager Line Pro Direct Mount, 35mm clamp, 50mm length
- Product Family
- Session
- Component Axles
- Front: 110 x 20mm Rear: 157 x 12mm
- Component Chain
- SRAM PC-1110
- Component Color
- Matte Slate
- Component Frame
- Alpha Platinum Aluminum, ABP, Full Floater, EVO Link, tapered head tube, Mino Link, integrated frame protection, internal control routing, MicroTruss, down tube guard, ISCG Mount, 210mm travel
- Component Brakes
- SRAM Guide R hydraulic disc
- Component Pedals
- Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
- Component Saddle
- Bontrager Arvada, hollow chromoly rails
- Component Headset
- FSA Orbit, sealed cartridge bearing, 1-1/8-inch top, 1.5-inch bottom
- Component Cassette
- SRAM PG-720, 11-25, 7 speed
- Component Shifters
- SRAM GX DH, 7 speed
- Component Handlebar
- Bontrager Line, 35mm, 27.5mm rise, 780 width
- Component Seat Post
- Bontrager Rhythm Elite, 31.6mm, 0mm offset
- Component Front Tire
- Bontrager G4 Team Issue, 27.5 x 2.35
- Component Rear Shock
- Fox Performance VAN, externally adjustable rebound and low-speed compression; (Small 400lb; Medium 450lb; Large 500lb; X-Large 500lb spring), tuned by Trek Suspension Lab, 8.75x2.75-inch
- Component Tape Grips
- Bontrager XR Trail Elite, alloy lock-on
- Component Bottom Bracket
- SRAM GXP TM, 83mm
- Component Rear Derailleur
- SRAM GX DH, Roller Bearing Clutch
- Rear Shock
- Fox Performance VAN, externally adjustable rebound and low-speed compression; (Small 400lb; Medium 450lb; Large 500lb; X-Large 500lb spring), tuned by Trek Suspension Lab, 8.75x2.75-inch
- Pedals
- Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
- Bottom Bracket
- SRAM GXP TM, 83mm
- Chain
- SRAM PC-1110
- Saddle
- Bontrager Arvada, hollow chromoly rails
- Handlebar
- Bontrager Line, 35mm, 27.5mm rise, 780 width
- Headset
- FSA Orbit, sealed cartridge bearing, 1-1/8-inch top, 1.5-inch bottom
- Rear Derailleur
- SRAM GX DH, Roller Bearing Clutch
- Stem
- Bontrager Line Pro Direct Mount, 35mm clamp, 50mm length
- Axles
- Front: 110 x 20mm Rear: 157 x 12mm
- Brakes
- SRAM Guide R hydraulic disc
- Cassette
- SRAM PG-720, 11-25, 7 speed
- Fork
- RockShox BoXXer RC Air, low speed compression, internal preload, Motion Control IS, 20mm Maxle DH, 200mm travel
- Frame
- Alpha Platinum Aluminum, ABP, Full Floater, EVO Link, tapered head tube, Mino Link, integrated frame protection, internal control routing, MicroTruss, down tube guard, ISCG Mount, 210mm travel
- Seat Post
- Bontrager Rhythm Elite, 31.6mm, 0mm offset
- Shifters
- SRAM GX DH, 7 speed
- Tape/Grips
- Bontrager XR Trail Elite, alloy lock-on
- Color
- Matte Slate
- Size
- X-Large
- Front Tire
- Bontrager G4 Team Issue, 27.5 x 2.35
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.