Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
2018 Diamondback Mason 1+
Value Guide market data · 2018 Diamondback Mason 1+
12-month trend
7%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2018 Diamondback Mason 1+
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Mason model years
2018 Mason 1+ lineup
Overview
About this bike
2018 Diamondback Mason 1+ value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- SR Suntour XCR34 27.5"+ Suspension Fork, 120mm Travel, Coil Spring, 6061 Forged Alloy Crown, Alloy Tapered Steerer Tube, 34mm Stanchions, 110x15mm Thru-axle
- Frame
- Mason 27.5" Plus 6061-T6 Weapons Grade Aluminum w/ Double Butted Formed Top Tube, Down Tube, Seatstays, Tapered Head Tube, ISCG-05 Tabs, 9mm Boost Dropouts, w/ Replaceable Hanger
Drivetrain
- Groupset
- 2018 Diamondback Mason 1+
- Crankset
- Alloy Arm w/ 30T Steel "Narrow Wide" Single Ring
- Bottom Bracket
- Sealed Cartridge
- Chain
- KMC X10, 10 Speed
- Rear Derailleur
- Shimano Deore M6000 Shadow Plus, 10 Speed
- Cassette/Rear Cogs
- Shimano HG500, 10 Speed, 11-42T
- Chainrings
- 30T
- Shifters
- Shimano Deore M6000, 10 Speed
Brakes
- Brake Levers
- Tektro 2 Finger Alloy Linear w/ Reach Adjust
- Brakes
- Tektro Aries Mechanical Disc, w/ 180mm Front / 160mm Rear Rotors
Cockpit
- Saddle
- DB Race M-series Saddle
- Headset
- FSA NO.57, Sealed Cartridge for Tapered Headtube
- Stem
- DB35 Alloy, 60mm, 35mm Bar Bore
- Handlebars
- DB35 Alloy, 760mm Wide, 15mm Rise, 35mm Bar Bore
- Seat Post
- DB Alloy Micro Adjust, 30.9mm
- Tape/Grips
- New DB "Flanged" 135mm Silcone
Wheels & Tires
- Hubs
- Front: 32h Alloy, Boost 110x15mm, w/ CNC Disc Mount<br>Rear: 32h Alloy, 9mm QR, Cassette w/ CNC Disc Mount
- Tires
- Chaoyang Big Daddy 27.5x3.5"
- Axles
- Front: 110 x 15mm thru-axle<br>Rear: 9mm QR
- Spokes
- 14g Stainless Steel
Pedals
- Pedals
- DB4L Alloy w/ Molded Traction Pins
Accessories
- Accessories & Extras
- Owner’s Manual, Assembly Guide, DB Mud Guard
- Rims/Wheels
- Diamondback 35mm Doublewall, 32h
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
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.