Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2017 Trek Session 9.9 DH 27.5 Race Shop Limited
Previous used estimate
$2,103 - $2,164
Actual value depends on condition, size, and local demand.
Value Guide market data · 2017 Trek Session 9.9 DH 27.5 Race Shop Limited
12-month projected trend
14%
Direction and magnitude, not judgment
vs. category average
6%
Drops faster than category avg
Price over time - 2017 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▲ 152% vs. 2017
2024$3,232 - $3,325▲ 54% vs. 2017
2023$3,443 - $3,542▲ 64% vs. 2017
2022$2,913 - $2,997▲ 39% vs. 2017
2020$2,485 - $2,557▲ 18% vs. 2017
2019$2,344 - $2,411▲ 11% vs. 2017
2018$2,169 - $2,231▲ 3% vs. 20172017$2,103 - $2,164Currently viewing
2016$1,809 - $1,861▼ 14% vs. 2017
2015$1,642 - $1,689▼ 22% vs. 2017
2014$1,717 - $1,767▼ 18% vs. 2017
2013$1,723 - $1,772▼ 18% vs. 2017
2012$1,644 - $1,691▼ 22% vs. 2017
2011$1,186 - $1,220▼ 44% vs. 2017
2010$1,213 - $1,248▼ 42% vs. 2017
2009$1,197 - $1,231▼ 43% vs. 2017
2007$768 - $790▼ 63% vs. 2017
2006$831 - $855▼ 60% vs. 2017
2005$494 - $509▼ 76% vs. 2017Overview
About this bike
World Cup champion Session is proven to be the fastest downhill mountain bike. And with its amazing suspension, it’s the overall best downhiller the scene has ever seen. You need a bike that will not only withstand the brutal demands of downhill, but excel at them. You need a proven winner on the World Cup circuit. You need Session. Key Features - Fast 27.5 wheels get you down the mountain first - OCLV Mountain Carbon with Carbon Armor is downhill tough - Race Shop Limited: Pro-level bikes for the most discerning riders - Mino Link adjustable geometry lets you fine tune your ride
Specifications
- Category
- Mountain
- Component Fork
- Fox Factory 40 FIT RC2, air spring, Kashima Coat, hi/lo speed compression, 20mm thru axle, 203mm travel
- Component Stem
- Race Face Atlas Direct Mount, 35mm
- Product Family
- Session
- Component Axles
- 110 x 20 front, 157 x 12 rear
- Component Chain
- Shimano XTR
- Component Frame
- OCLV Mountain Carbon w/InTension main frame, OCLV stays, ABP, Full Floater, HexMC carbon EVO Link, E2 tapered head tube, Mino Link, integrated frame protection, internal control routing, MicroTruss, Carbon Armor, ISCG mount, 210mm travel
- Component Tires
- Bontrager G4 Team Issue, 27.5 x 2.35
- Component Brakes
- Shimano Saint hydraulic disc
- Component Saddle
- Bontrager Evoke 3, titanium rails
- Component Headset
- Cane Creek alloy integrated, sealed cartridge bearing, 1 1/8-inch top, 1 1/2-inch bottom
- Component Cassette
- Shimano Ultegra, 10-speed: 11-25
- Component Crankset
- Shimano Saint
- Component Shifters
- Shimano Saint
- Component Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 820mm width
- Component Seat Post
- Bontrager Rhythm Elite, 2-bolt head, 31.6mm, zero offset
- Component Wheel Set
- DT Swiss FR1950 Gravity Classic
- Component Chainrings
- 36T
- Component Rear Shock
- Fox DHX2 SLS, high/low speed rebound adjust, high/low speed compression adjust, (S 400lb; M/L 450lb; XL 500lb spring), tuned by Trek Suspension Lab, 8.75 x 2.75
- Component Brake Levers
- Shimano Saint
- Component Bottom Bracket
- Sealed cartridge
- Component Rear Derailleur
- Shimano Saint, Shadow Plus
- Component Fork Brand Model
- Fox Factory 40 FIT RC2, air spring, Kashima Coat, hi/lo speed compression, 20mm thru axle, 203mm travel
- Component Frame Construction
- OCLV Mountain Carbon w/InTension main frame, OCLV stays, ABP, Full Floater, HexMC carbon EVO Link, E2 tapered head tube, Mino Link, integrated frame protection, internal control routing, MicroTruss, Carbon Armor, ISCG mount, 210mm travel
- Frame Construction
- OCLV Mountain Carbon w/InTension main frame, OCLV stays, ABP, Full Floater, HexMC carbon EVO Link, E2 tapered head tube, Mino Link, integrated frame protection, internal control routing, MicroTruss, Carbon Armor, ISCG mount, 210mm travel
- Fork Brand & Model
- Fox Factory 40 FIT RC2, air spring, Kashima Coat, hi/lo speed compression, 20mm thru axle, 203mm travel
- Rear Shock
- Fox DHX2 SLS, high/low speed rebound adjust, high/low speed compression adjust, (S 400lb; M/L 450lb; XL 500lb spring), tuned by Trek Suspension Lab, 8.75 x 2.75
- Tires
- Bontrager G4 Team Issue, 27.5 x 2.35
- Crankset
- Shimano Saint
- Bottom Bracket
- Sealed cartridge
- Chain
- Shimano XTR
- Saddle
- Bontrager Evoke 3, titanium rails
- Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 820mm width
- Headset
- Cane Creek alloy integrated, sealed cartridge bearing, 1 1/8-inch top, 1 1/2-inch bottom
- Rear Derailleur
- Shimano Saint, Shadow Plus
- Stem
- Race Face Atlas Direct Mount, 35mm
- Axles
- 110 x 20 front, 157 x 12 rear
- Brake Levers
- Shimano Saint
- Brakes
- Shimano Saint hydraulic disc
- Cassette
- Shimano Ultegra, 10-speed: 11-25
- Chainrings
- 36T
- Fork
- Fox Factory 40 FIT RC2, air spring, Kashima Coat, hi/lo speed compression, 20mm thru axle, 203mm travel
- Frame
- OCLV Mountain Carbon w/InTension main frame, OCLV stays, ABP, Full Floater, HexMC carbon EVO Link, E2 tapered head tube, Mino Link, integrated frame protection, internal control routing, MicroTruss, Carbon Armor, ISCG mount, 210mm travel
- Seat Post
- Bontrager Rhythm Elite, 2-bolt head, 31.6mm, zero offset
- Shifters
- Shimano Saint
- Wheel Set
- DT Swiss FR1950 Gravity Classic
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.