Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
2018 Diamondback Century 6C Carbon
Value Guide market data · 2018 Diamondback Century 6C Carbon
12-month trend
7%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2018 Diamondback Century 6C Carbon
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Century model years
2018 Century 6C Carbon lineup
Overview
About this bike
2018 Diamondback Century 6C Carbon value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- DB Road Performance, Full Monocoque Carbon "CFT", 12mm Thru-axle Drop Outs, Flat Mount Disc Tabs, 1.5" Tapered Steerer Tube
- Frame
- Diamondback Carbon Monocoque Endurance Road Frame, Internal Cable Routing, 142x12mm Carbon Drop Outs, w/ Taper Headtube, Di2 Compatible
Drivetrain
- Groupset
- 2018 Diamondback Century 6C Carbon
- Crankset
- Shimano Ultegera FC-R8000 Compact
- Bottom Bracket
- Shimano Outboard Bearing
- Chain
- KMC X11EL, 11 Speed
- Front Derailleur
- Shimano Ultegra FD-R8000, 31.8mm Band Clamp
- Rear Derailleur
- Shimano Ultegra RD-R8000, 11 Speed
- Cassette/Rear Cogs
- Shimano Ultegra CS-R8000 Cassette, 11 Speed, 11-32T
- Chainrings
- 50/34T
- Shifters
- Shimano ST-R8020, Dual Control 2x11 Speed
Brakes
- Brake Levers
- Shimano ST-R8020
- Brakes
- Shimano BR-R8070 Flat Mount Hydraulic Disc, w/ 160mm Front / 140mm Rear Rotors
Cockpit
- Saddle
- Prologo Scratch Pro, w/TiRox Rails
- Headset
- FSA No.42, Sealed Cartridge
- Stem
- HED Tour Stem, +/-7° Rise, 31.8mm Bar Bore
- Handlebars
- HED Tour Flat Top Drop Bar, 31.8 Bar Bore
- Seat Post
- HED Tour, 27.2mm
- Tape/Grips
- Diamondback Endurance Gel Tape
Wheels & Tires
- Hubs
- Front: 24h Alloy, Sealed Cartridge, Center Lock, 12mm Thru-axle<br> Rear: 24h Alloy, Sealed Cartridge, Center Lock, 142x12mm Thru-axle
- Tires
- Continental Grand Sport Race, Folding, 700x28c
- Axles
- Front: 12mm thru-axle<br>Rear: , 142x12mm thru-axle
- Spokes
- 2.0/1.8/2.0 Butted Stainless Steel
Pedals
- Pedals
- Alloy Road Platform
Accessories
- Rims/Wheels
- HED Flanders C2+ Disc, 24h
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.