Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
2018 Diamondback Century 1
Value Guide market data · 2018 Diamondback Century 1
12-month trend
5%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2018 Diamondback Century 1
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Century model years
2018 Century 1 lineup
Overview
About this bike
2018 Diamondback Century 1 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Frame
- Aluminum / Diamondback Alloy Road, Enhanced Performance Geometry, Formed Top Tube, w/ Integrated Headtube, Replaceable Hanger
- Fork
- Aluminum / Alloy Bladed Fork with 1 -1/8" Cromoly Steerer Tube
- Headset
- FSA No.23, Sealed Cartridge
Drivetrain
- Drivetrain
- 2 × 8
- Groupset
- Claris
- Bottom Bracket
- FSA Sealed Cartridge
- Rear Derailleur
- Shimano Claris R2000, 8 Speed
- Front Derailleur
- Shimano Claris R2000, 31.8mm Band Clamp
- Crank
- FSA Tempo Compact, 50/34T
- Shifters
- Shimano Claris ST-2000 Dual Control, 2x8 Speed
- Cassette
- Shimano HG50 Cassette, 8 Speed, 11-32T
- Chain
- KMC Z82, 8 Speed
Brakes
- Brakes
- Tektro Rim / Tektro R315 Dual Pivot CaliperType:Tektro Rim
- Brake Levers
- Shimano Claris ST-2000
Cockpit
- Stem
- Alloy Road Stem +/-7° Rise, 31.8mm Bar Bore
- Handlebar
- 6061 Alloy Road Drop Bar, 31.8mm Bar Bore
- Saddle
- Diamondback Performance Road
- Seatpost
- Alloy Micro Adjust, 27.2mmType:Rigid
- Grips
- Diamondback EnduranceTape
Wheels & Tires
- Wheels
- 700c Aluminum
- Rims
- Diamondback Equation 28h, Doublewall
- Spokes
- 14g Stainless Steel
- Front Hub
- 28h Alloy, Quick Release
- Rear Hub
- 28h Alloy, Quick Release, Cassette
- Tires
- Diamondback Century Wire Bead, 700x28c
Pedals
- Pedals
- Alloy Road Platform
Frame sizing
WheelsManufacturer sizing
StackManufacturer sizing
ReachManufacturer sizing
Stack/Reach RatioManufacturer sizing
Top Tube LengthManufacturer sizing
Seat Tube LengthManufacturer sizing
Seat Tube AngleManufacturer sizing
Head Tube LengthManufacturer sizing
Head Tube AngleManufacturer sizing
BB DropManufacturer sizing
BB HeightManufacturer sizing
Front CenterManufacturer sizing
Chainstay LengthManufacturer sizing
WheelbaseManufacturer sizing
RakeManufacturer sizing
TrailManufacturer sizing
Standover HeightManufacturer sizing
Stem LengthManufacturer sizing
Crank LengthManufacturer sizing
Handlebar WidthManufacturer sizing
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.