Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2018 Trek Roscoe 8
Value Guide market data · 2018 Trek Roscoe 8
12-month trend
8%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2018 Trek Roscoe 8
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Roscoe model years
2018 Roscoe 8 lineup
Overview
About this bike
2018 Trek Roscoe 8 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- RockShox Judy Silver TK, Solo Air spring, preload, rebound, TurnKey hydraulic lockout, E2 tapered steerer, G2 Geometry w/51mm offset, Boost110, 120mm travel (13.5: 100mm travel)
- Frame
- Alpha Gold Aluminum, E2 tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, G2 Geometry
Drivetrain
- Groupset
- 2018 Trek Roscoe 8
- Crankset
- SRAM NX
- Bottom Bracket
- Sealed cartridge
- Chain
- SRAM PC-1110
- Rear Derailleur
- SRAM NX, Roller Bearing Clutch
- Cassette/Rear Cogs
- SRAM PG-1130, 11-42, 11 speed
- Chainrings
- 28T Direct Mount X-Sync
- Shifters
- SRAM NX, 11 speed
Brakes
- Brake Levers
- Shimano M315
- Brakes
- Shimano M315 hydraulic disc
Cockpit
- Saddle
- Bontrager Evoke 1.5
- Headset
- Semi-integrated, 1-1/8-inch top, 1.5-inch bottom
- Stem
- Bontrager Rhythm Comp, 31.8mm, 0 degree
- Handlebars
- Bontrager alloy, 31.8mm, 15mm rise
- Seat Post
- Bontrager Level droper post, 31.6mm, internal routing
- Tape/Grips
- Bontrager Race Lite, lock-on
Wheels & Tires
- Hubs
- Front: Formula DC511<br>Rear: Formula DC2241
- Tires
- Schwalbe Rocket Ron Performance, tubeless, aramid bead, 27.5x2.80
- Axles
- Front: 110 x 15mm<br>Rear: 141 x 12mm
Pedals
- Pedals
- Wellgo nylon platform
Accessories
- Rims/Wheels
- SUNringle Duroc 40 SL 28-hole
- Color
- Roarange
Weight & Sizing
- Size
- 15.5-inch / 17.5-inch / 18.5-inch / 19.5-inch / 21.5-inch / 23-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.