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
Value Guide market data · 2017 Trek Session 9.9 DH 27.5 Race Shop Limited
12-month trend
14%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
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$6,975 - $8,100▼ 25% vs. 2017
2024$5,115 - $5,940▼ 45% vs. 2017
2023$6,696 - $7,776▼ 28% vs. 2017
2022$6,538 - $7,592▼ 30% vs. 2017
2020$7,440 - $8,640▼ 20% vs. 2017
2019$7,812 - $9,072▼ 16% vs. 2017
2018$7,440 - $8,640▼ 20% vs. 20172017$9,300 - $10,800Currently viewing
2016$9,300 - $10,8000% vs. 2017
2015$8,305 - $9,644▼ 11% vs. 2017
2014$8,277 - $9,612▼ 11% vs. 2017
2013$8,305 - $9,644▼ 11% vs. 2017
2012$8,305 - $9,644▼ 11% vs. 2017
2011$6,147 - $7,139▼ 34% vs. 2017
2010$5,617 - $6,523▼ 40% vs. 2017
2009$5,933 - $6,890▼ 36% vs. 2017
2007$3,255 - $3,780▼ 65% vs. 2017
2006$4,650 - $5,400▼ 50% vs. 2017
2005$2,558 - $2,970▼ 72% vs. 20172017 Session 9.9 DH 27.5 Race Shop Limited lineup
Overview
About this bike
2017 Trek Session 9.9 DH 27.5 Race Shop Limited value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- 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
- 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
Drivetrain
- Groupset
- 2017 Trek Session 9.9 DH 27.5 Race Shop Limited
- Crankset
- Shimano Saint
- Bottom Bracket
- Sealed cartridge
- Rear Cogs
- Shimano Ultegra, 10-speed: 11-25
- Chain
- Shimano XTR
- Rear Derailleur
- Shimano Saint, Shadow Plus
- Chainrings
- 36T
- Shifters
- Shimano Saint
Brakes
- Brake Levers
- Shimano Saint
- Brakes
- Shimano Saint hydraulic disc
Cockpit
- Saddle
- Bontrager Evoke 3, titanium rails
- Headset
- Cane Creek alloy integrated, sealed cartridge bearing, 1 1/8-inch top, 1 1/2-inch bottom
- Stem
- Race Face Atlas Direct Mount, 35mm
- Handlebars
- Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 820mm width
- Seat Post
- Bontrager Rhythm Elite, 2-bolt head, 31.6mm, zero offset
Wheels & Tires
- Tires
- Bontrager G4 Team Issue, 27.5 x 2.35
- Axles
- 110 x 20 front, 157 x 12 rear
Accessories
- Rims/Wheels
- DT Swiss FR1950 Gravity Classic
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.