Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
2021 Diamondback Current
Value Guide market data · 2021 Diamondback Current
12-month trend
14%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2021 Diamondback Current
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Current model years
2021 Current lineup
Overview
About this bike
2021 Diamondback Current value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Formed 6061 T6 w/Integrated Crown, Disc Brake, Thru Axle
- Frame
- Formed 6061 T6 Oversize Aluminum Alloy, Thru Axle Dropout, Disc Brake Specific, Powertube Integrated Battery
Drivetrain
- Groupset
- Shimano GRX
- Chain
- KMC x11e EPT, Ebike Specific
- Chainrings
- FSA Forged Spider, 42 tooth, steel w/alloy chainguard
- Crankset
- FSA Forged Alloy for Bosch System
- Rear Derailleur
- Shimano GRX 11-speed long cage, RD-RX812
- Shifters
- Shimano RX-810
Brakes
- Brake Levers
- Shimano RX-810
- Brakes
- Shimano RX-810, Hydraulic disc, Front 180mm Rotor, Rear 160mm Rotor
Cockpit
- Handlebar
- Aluminum Alloy. 480mm on Small, 500mm on Medium and Large
- Headset
- Integrated, Sealed Bearing
- Saddle
- WTB Volt Sport
- Seatpost
- Diamondback Aluminum Alloy, Forged Head, 350mm
- Stem
- Diamondback Aluminum Alloy, 3D Forged
- Grips
- Velo Tape
Wheels & Tires
- Front Tire
- Maxxis Rambler, 700c x 40
- Hubs
- Front: JD XQR-15, Rear: Formula, Sealed Bearing, Thru Axle
- Rims
- Aluminum 700c, Black Anodized, 25mm ID, Disc Specific, 32 Hole
- Spokes
- Black w/Black Nipples
Pedals
- Pedals
- Wellgo, CR-MO Axle, Alloy Cage
E-System
- Battery
- PowerTube 500
- Motor
- Bosch Performance Line Speed, 85Nm Torque, 28mph
Accessories
- Accessories & Extras
- Rear-mounted kickstand
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
Battery health
Request battery cycle count and any diagnostic report; older packs lose range and capacity.
Inspection
Motor warranty
Verify motor warranty status and any firmware updates from the manufacturer dealer.