Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Giant
2018 Giant Propel Advanced SL 1 Disc
Value Guide market data · 2018 Giant Propel Advanced SL 1 Disc
12-month trend
8%
Direction and magnitude, not judgment
vs. category average
4%
Drops faster than category avg
Price over time - 2018 Giant Propel Advanced SL 1 Disc
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Propel model years
2025$11,858 - $13,770▲ 11% vs. 2018
2024$11,858 - $13,770▲ 11% vs. 2018
2023$11,625 - $13,500▲ 8% vs. 2018
2022$4,836 - $5,616▼ 55% vs. 2018
2021$4,631 - $5,378▼ 57% vs. 2018
2020$11,346 - $13,176▲ 6% vs. 2018
2019$11,230 - $13,041▲ 5% vs. 2018
2018$10,723 - $12,452Currently viewing
2017$7,952 - $9,234▼ 26% vs. 2018
2016$8,370 - $9,720▼ 22% vs. 2018
2015$10,044 - $11,664▼ 6% vs. 2018
2014$9,579 - $11,124▼ 11% vs. 2018
2013$9,579 - $11,124▼ 11% vs. 20182018 Propel Advanced SL 1 Disc lineup
Overview
About this bike
2018 Giant Propel Advanced SL 1 Disc value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Advanced SL-grade composite, Full-composite OverDrive 2 steerer
- Frame
- Advanced SL-grade composite, Integrated seatpost
Drivetrain
- Groupset
- Shimano Ultegra
- Bottom Bracket
- Shimano, Press Fit
- Cassette
- Shimano Ultegra 11x28, 11-Speed
- Chain
- KMC X11SL-1
- Chainrings
- 36/52
- Crankset
- Shimano Ultegra
- Front Derailleur
- Shimano Ultegra Di2
- Rear Derailleur
- Shimano Ultegra Di2
- Shifters
- Shimano Ultegra Di2 Hydraulic w/ sprinter shifters
Brakes
- Brake Levers
- Shimano Ultegra Di2, hydraulic disc
- Brakes
- Shimano Ultegra Di2, hydraulic disc, 140mm
Cockpit
- Handlebar
- Giant Contact SLR Aero, composite
- Saddle
- Giant Contact SLR Forward
- Seatpost
- Advanced SL-grade composite, integrated design
- Stem
- Giant Contact SLR Aero, composite
Wheels & Tires
- Axles
- F/R thru-axles
- Front Tire
- Giant Gavia Race 0 Tubeless, 700x25, Folding
- Hubs
- Giant SLR 1 Aero DBL Disc WheelSystem; Pawl driver, 12mm axles, [F] 16h [R] 21h
- Rims
- Giant SLR 1 Aero DBL Disc WheelSystem; [F] 42mm, [R] 65mm deep, 23mm wide, Tubeless, Full composite
- Spokes
- Giant SLR 1 Aero DBL Disc WheelSystem; Dynamic Balanced Lacing, bladed stainless
Accessories
- Accessories & Extras
- Ride Sense ANT+/Bluetooth, extra race axle
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.