Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2017 Trek 720 Disc
Value Guide market data · 2017 Trek 720 Disc
12-month trend
16%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2017 Trek 720 Disc
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All 720 model years
2017 720 Disc lineup
Overview
About this bike
2017 Trek 720 Disc value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Frame Construction
- 100 Series Alpha Aluminum w/rack & fender mounts, internal cable routing, inboard disc mounts
- Fork Brand & Model
- Trek touring carbon disc
- Fork
- Trek touring carbon disc
- Frame
- 100 Series Alpha Aluminum w/rack & fender mounts, internal cable routing, inboard disc mounts
Drivetrain
- Groupset
- 2017 Trek 720 Disc
- Crankset
- Shimano RS500
- Bottom Bracket
- Sealed cartridge
- Rear Cogs
- Shimano 105, 11-speed: 11-32
- Chain
- Shimano 105
- Front Derailleur
- Shimano 105
- Rear Derailleur
- Shimano 105
- Chainrings
- 50/34
- Shifters
- Shimano 105
Brakes
- Brake Levers
- TRP HY/RD
- Brakes
- TRP HY/RD cable/hydro disc, 160mm rotors
Cockpit
- Saddle
- Bontrager Paradigm 1
- Headset
- VP 1 1/8-inch integrated, sealed semi-cartridge bearings
- Stem
- Bontrager Elite, 31.8mm, 7 degree, Blendr compatible
- Handlebars
- Bontrager Race Lite IsoZone, VR-CF, 31.8mm
- Seat Post
- Bontrager alloy, 2-bolt head, 27.2mm, 8mm offset
Wheels & Tires
- Hubs
- Bontrager alloy Center Lock disc
- Rims
- Bontrager tubeless ready
- Tires
- Bontrager AW1 Hard-Case Lite, 700 x 28
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
Carbon inspection
Tap test the frame, fork, seatpost, and bars for cracks; verify no impact damage near dropouts.
Inspection
Brake hoses & cables
Check hydraulic line bleed, cable housing wear, and confirm rotors are within spec.