Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
2021 Diamondback Atroz 2
Value Guide market data · 2021 Diamondback Atroz 2
12-month trend
14%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2021 Diamondback Atroz 2
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Atroz model years
2021 Atroz 2 lineup
Overview
About this bike
2021 Diamondback Atroz 2 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- SR Suntour XCM 120mm Travel, 30mm Stanchions, w/ Preload Adjust
- Frame
- Atroz 6061 T-6 Aluminum 27.5 Trail w/ 4" travel, Optimized Single Pivot, Tapered Steerer, Machine Formed Top Tube, Butted / Formed Down Tube, Sealed Cartridge Bearing Pivot, Seat Tube Routed for Internal Dropper Post, Aggressive Geometry, Replaceable Hanger
- Rear Shock
- SR Suntour Raidon-R, Air Shock w/ Rebound Adjust, 184x44mm
Drivetrain
- Groupset
- Shimano Acera
- Bottom Bracket
- Sealed Cartridge
- Cassette
- Shimano HG200, 9 Speed, 11-36T
- Chain
- KMC Z9, 9 Speed
- Crankset
- Aluminum Arm w/ 30T Steel "Narrow Wide" Single Ring
- Front Derailleur
- Full ISCG-05 Chain Guide w/ Roller
- Rear Derailleur
- Shimano Acera M3000 Shadow, 9 Speed
- Shifters
- Shimano Acera M3000, 9 Speed
Brakes
- Brake Levers
- Shimano MT200 Hydraulic
- Brakes
- Shimano MT200 Hydraulic Disc, w/ 180mm Front and Rear Rotors
Cockpit
- Handlebar
- Diamondback, 750mm Wide, 15mm Rise, 31.8 Bar Bore
- Headset
- FSA NO.57, Sealed Cartridge for Tapered Headtube
- Saddle
- DB Sync'r Saddle
- Seatpost
- Aluminum Micro Adjust, 30.9mm
- Stem
- Diamondback "Shortie", 45mm Reach, 31.8 Bar Bore
- Grips
- New DB "Flanged" 135mm Silicone
Wheels & Tires
- Front Tire
- VEE Rubber, Flow Snap, 27.5x2.35
- Hubs
- Front: Formula Hubs, 32h Aluminum w/ CNC Disc Mount, Rear: Formula Hubs, 32h Aluminum Cassette w/ CNC Disc mount
- Rear Tire
- VEE Rubber, Flow Snap, 27.5x2.35
- Rims
- 32H, DDM-5, 27.5 Double Wall
- Spokes
- 14g Stainless Steel
Pedals
- Pedals
- DB4L Aluminum Platform
Accessories
- Accessories & Extras
- Tool Kit
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.