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
- Fork
- Alloy Bladed Fork with 1 -1/8" Cromoly Steerer Tube
- Frame
- Diamondback Alloy Road, Enhanced Performance Geometry, Formed Top Tube, w/ Integrated Headtube, Replaceable Hanger
Drivetrain
- Groupset
- Shimano Claris
- Bottom Bracket
- FSA Sealed Cartridge
- Cassette
- Shimano HG50 Cassette, 8 Speed, 11-32T
- Chain
- KMC Z82, 8 Speed
- Chainrings
- 50/34T
- Crankset
- FSA Tempo Compact
- Front Derailleur
- Shimano Claris R2000, 31.8mm Band Clamp
- Rear Derailleur
- Shimano Claris R2000, 8 Speed
- Shifters
- Shimano Claris ST-2000 Dual Control, 2x8 Speed
Brakes
- Brake Levers
- Shimano Claris ST-2000
- Brakes
- Tektro R315 Dual Pivot Caliper
Cockpit
- Handlebar
- 6061 Alloy Road Drop Bar, 31.8mm Bar Bore
- Headset
- FSA No.23, Sealed Cartridge
- Saddle
- Diamondback Performance Road
- Seatpost
- Alloy Micro Adjust, 27.2mm
- Stem
- Alloy Road Stem +/-7° Rise, 31.8mm Bar Bore
- Grips
- Diamondback EnduranceTape
Wheels & Tires
- Axles
- QR
- Front Tire
- Diamondback Century Wire Bead, 700x28c
- Hubs
- Front: 28h Alloy, Quick Release, Rear: 28h Alloy, Quick Release, Cassette
- Rims
- Diamondback Equation 28h, Doublewall
- Spokes
- 14g Stainless Steel
Pedals
- Pedals
- Alloy Road Platform
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.