Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2018 Trek Session 9.9 DH 27.5 Race Shop Limited
Previous used estimate
$2,169 - $2,231
Actual value depends on condition, size, and local demand.
Value Guide market data · 2018 Trek Session 9.9 DH 27.5 Race Shop Limited
12-month projected trend
9%
Direction and magnitude, not judgment
vs. category average
6%
Drops faster than category avg
Price over time - 2018 Trek Session 9.9 DH 27.5 Race Shop Limited
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▲ 144% vs. 2018
2024$3,232 - $3,325▲ 49% vs. 2018
2023$3,443 - $3,542▲ 59% vs. 2018
2022$2,913 - $2,997▲ 34% vs. 2018
2020$2,485 - $2,557▲ 15% vs. 2018
2019$2,344 - $2,411▲ 8% vs. 20182018$2,169 - $2,231Currently viewing
2017$2,103 - $2,164▼ 3% vs. 2018
2016$1,809 - $1,861▼ 17% vs. 2018
2015$1,642 - $1,689▼ 24% vs. 2018
2014$1,717 - $1,767▼ 21% vs. 2018
2013$1,723 - $1,772▼ 21% vs. 2018
2012$1,644 - $1,691▼ 24% vs. 2018
2011$1,186 - $1,220▼ 45% vs. 2018
2010$1,213 - $1,248▼ 44% vs. 2018
2009$1,197 - $1,231▼ 45% vs. 2018
2007$768 - $790▼ 65% vs. 2018
2006$831 - $855▼ 62% vs. 2018
2005$494 - $509▼ 77% vs. 2018Overview
About this bike
Going down? World Cup champion Session is built to win. An all-new OCLV Carbon frame, updated geometry, advanced air shock, and a stiffer chassis make this downhill race bike faster than ever. Session is the DH bike that excels on downhill's most brutal courses. Take on any terrain with our most advanced suspension and a geometry that can be dialed for every race. Key features: - Longer, more aggressive geometry keeps you attacking the whole way down - OCLV Mountain Carbon with Carbon Armor is downhill tough - Fine-tune your ride with Mino Link and an all-new adjustable headset system - Fast 27.5" wheels get you down the mountain first
Specifications
- Subtype
- Downhill
- Category
- Mountain
- Component Fork
- Fox Factory 40 FIT RC2, air spring, Kashima Coat, hi/lo speed compression, 203mm 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: 110x20mmRear: 157x12mm
- Component Chain
- Shimano XTR
- Component Color
- Viper Red
- Component Frame
- OCLV Mountain Carbon main frame & stays, ABP, magnesium EVO Link, E2 tapered head tube, Mino Link, integrated frame protection, Control Freak internal routing, Carbon Armor, ISCG mount, 210mm travel
- Component Brakes
- Shimano Saint M820 hydraulic disc
- Component Pedals
- Wellgo MG-1, magnesium body, Cro-Mo axle, replaceable pins
- Component Saddle
- Bontrager Evoke 3, titanium rails
- Component Headset
- FSA Orbit, sealed cartridge bearing, 1-1/8" top, 1.5" bottom (includes geometry adjust angled cups)
- Component Cassette
- Shimano Ultegra, 11-25, 10 speed
- Component Shifters
- Shimano Saint, 10 speed
- Component Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 820mm width
- Component Seat Post
- Bontrager Rhythm Elite, 2-bolt head, 31.6mm, zero offset
- Component Front Tire
- Bontrager G4 Team Issue, 27.5 x 2.35"
- Component Rear Shock
- Fox Factory Float X2, high/low speed rebound adjust, high/low speed compression adjust, tuned by Trek Suspension Lab, 225x75mm
- Component Tape Grips
- Bontrager Rhythm, dual lock-on
- Component Bottom Bracket
- Sealed cartridge
- Component Front Derailleur
- Shimano Saint, Shadow Plus
- Rear Shock
- Fox Factory Float X2, high/low speed rebound adjust, high/low speed compression adjust, tuned by Trek Suspension Lab, 225x75mm
- Pedals
- Wellgo MG-1, magnesium body, Cro-Mo axle, replaceable pins
- Bottom Bracket
- Sealed cartridge
- Chain
- Shimano XTR
- Saddle
- Bontrager Evoke 3, titanium rails
- Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 820mm width
- Headset
- FSA Orbit, sealed cartridge bearing, 1-1/8" top, 1.5" bottom (includes geometry adjust angled cups)
- Front Derailleur
- Shimano Saint, Shadow Plus
- Stem
- Bontrager Line Pro Direct Mount, 35mm clamp, 50mm length
- Axles
- Front: 110x20mmRear: 157x12mm
- Brakes
- Shimano Saint M820 hydraulic disc
- Cassette
- Shimano Ultegra, 11-25, 10 speed
- Fork
- Fox Factory 40 FIT RC2, air spring, Kashima Coat, hi/lo speed compression, 203mm travel
- Frame
- OCLV Mountain Carbon main frame & stays, ABP, magnesium EVO Link, E2 tapered head tube, Mino Link, integrated frame protection, Control Freak internal routing, Carbon Armor, ISCG mount, 210mm travel
- Seat Post
- Bontrager Rhythm Elite, 2-bolt head, 31.6mm, zero offset
- Shifters
- Shimano Saint, 10 speed
- Tape/Grips
- Bontrager Rhythm, dual lock-on
- Color
- Viper Red
- 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.