Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2025 Trek Slash 9.8 XT Gen 6
Value Guide market data · 2025 Trek Slash 9.8 XT Gen 6
12-month trend
22%
Direction and magnitude, not judgment
vs. category average
2%
Drops faster than category avg
Price over time - 2025 Trek Slash 9.8 XT Gen 6
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Slash model years
2026$7,254 - $8,424▼ 32% vs. 2025
2025$10,695 - $12,420Currently viewing
2024$8,928 - $10,368▼ 17% vs. 2025
2023$9,998 - $11,610▼ 7% vs. 2025
2022$11,672 - $13,554▲ 9% vs. 2025
2021$8,882 - $10,314▼ 17% vs. 2025
2020$7,905 - $9,180▼ 26% vs. 2025
2019$6,975 - $8,100▼ 35% vs. 2025
2018$5,115 - $5,940▼ 52% vs. 2025
2017$7,440 - $8,640▼ 30% vs. 2025
2016$7,440 - $8,640▼ 30% vs. 2025
2015$7,812 - $9,072▼ 27% vs. 2025
2014$5,366 - $6,232▼ 50% vs. 2025
2013$5,468 - $6,350▼ 49% vs. 2025
2012$5,468 - $6,350▼ 49% vs. 20252025 Slash 9.8 XT Gen 6 lineup
Overview
About this bike
2025 Trek Slash 9.8 XT Gen 6 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- RockShox ZEB Select+, DebonAir spring, Charger 3.1 RC2 damper, tapered steerer, 44mm offset, Boost110, Maxle Stealth, 170mm travel
- Frame
- OCLV Mountain Carbon, high main pivot, idler pulley, internal storage, angle-adjust headset, adjustable leverage rate, integrated frame protection, internal routing, magnesium rocker link, ISCG 05, Active Braking Pivot, UDH, 148x12mm thru axle, 170mm travel
- Rear Shock
- RockShox Vivid Select+, 230mm x 65mm
Drivetrain
- Groupset
- Shimano XT
- Bottom Bracket
- Shimano BB-MT501 BSA
- Cassette
- Shimano XT M8100, 10-51, 12 speed
- Chain
- Shimano Ultegra/XT M8100, 12 speed
- Crankset
- Shimano XT M8120, 30T alloy ring, 55mm chainline, 165mm length
- Rear Derailleur
- Shimano XT M8100, long cage
- Shifters
- Shimano XT M8100, 12 speed
Brakes
- Brakes
- Shimano XT M8120 4-piston hydraulic disc
- Rotors
- Shimano RT86, 6-bolt, 203mm
Cockpit
- Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 820mm width
- Headset
- Integrated cartridge bearing, 1-1/8'' top, 1.5'' bottom, angle adjust cup compatible
- Seatpost
- Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 410mm length
- Stem
- Bontrager Line Pro, 35mm, Blendr compatible, 0 degree, 35mm length
- Grips
- Bontrager XR Trail Pro, alloy lock-on
Wheels & Tires
- Front Tire
- Front: Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50'' , Rear: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 27.5x2.50''
- Rear Tire
- Front: Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50'' , Rear: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 27.5x2.50''
- Wheel Set
- Front: Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5'' , Rear: Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29''
- Wheel Size
- 29-inch / 27.5-inch
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.