Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2020 Trek Session 8 27.5
Value Guide market data · 2020 Trek Session 8 27.5
12-month trend
9%
Direction and magnitude, not judgment
vs. category average
11%
Holds value better than category avg
Price over time - 2020 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$6,975 - $8,100▼ 6% vs. 2020
2024$5,115 - $5,940▼ 31% vs. 2020
2023$6,696 - $7,776▼ 10% vs. 2020
2022$6,538 - $7,592▼ 12% vs. 2020
2020$7,440 - $8,640Currently viewing
2019$7,812 - $9,072▲ 5% vs. 2020
2018$7,440 - $8,6400% vs. 2020
2017$9,300 - $10,800▲ 25% vs. 2020
2016$9,300 - $10,800▲ 25% vs. 2020
2015$8,305 - $9,644▲ 12% vs. 2020
2014$8,277 - $9,612▲ 11% vs. 2020
2013$8,305 - $9,644▲ 12% vs. 2020
2012$8,305 - $9,644▲ 12% vs. 2020
2011$6,147 - $7,139▼ 17% vs. 2020
2010$5,617 - $6,523▼ 25% vs. 2020
2009$5,933 - $6,890▼ 20% vs. 2020
2007$3,255 - $3,780▼ 56% vs. 2020
2006$4,650 - $5,400▼ 37% vs. 2020
2005$2,558 - $2,970▼ 66% vs. 20202020 Session 8 27.5 lineup
Overview
About this bike
2020 Trek Session 8 27.5 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- RockShox Boxxer Select, DebonAir spring, Charger RC damper, 46mm offset, 200mm travel
- Frame
- Alpha Platinum Aluminum, tapered head tube, internal control routing, integrated frame protection, downtube guard, ISCG 05 mount, magnesium rocker link, Mino Link, ABP, 157x12mm thru axle, 210mm travel
- Rear Shock
- 210mm of rear travel with an adjustable FOX Performance VAN shock
Drivetrain
- Groupset
- SRAM GX
- Bottom Bracket
- SRAM DUB, 83mm, BSA threaded
- Cassette
- SRAM PG-720, 11-25, 7 speed
- Chain
- SRAM PC-1110, 11 speed
- Crankset
- Truvativ Descendant DH, DUB 83, 34T steel ring, 165mm length
- Rear Derailleur
- SRAM GX DH
- Shifters
- SRAM GX DH, 7 speed
Brakes
- Brakes
- SRAM Guide R hydraulic disc, 200mm front rotor, 180mm rear rotor, SRAM CenterLine, 6-bolt, round-edge, 180mm
Cockpit
- Handlebar
- Bontrager Line, alloy, 35mm, 27.5mm rise, 780mm width
- Headset
- FSA Orbit, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom
- Saddle
- Bontrager Arvada, hollow chromoly rails, 138mm width
- Seatpost
- Bontrager Rhythm Elite, 31.6mm, 0mm offset, 330mm length
- Stem
- Bontrager Line Pro, 35mm, Direct Mount, 50mm length
Wheels & Tires
- Axles
- Front: 110x20mm Boost thru axle, Rear: 157x12mm thru axle
- Front Tire
- Bontrager G4 Team Issue, Inner Strength sidewalls, wire bead, 60 tpi, 27.5x2.40''
- Rims
- Front; Bontrager Line DH 30, Tubeless Ready, 6-bolt, Rear; Bontrager Line DH 30, Tubeless Ready, 6-bolt
Pedals
- Pedals
- Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
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.