Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Bianchi
2021 Bianchi Duel 20 Boys
Previous used estimate
$149 - $153
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 Bianchi Duel 20 Boys
12-month projected trend
8%
Direction and magnitude, not judgment
vs. category average
3%
Drops faster than category avg
Price over time - 2021 Bianchi Duel 20 Boys
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Duel model years
Compare Duel 20 Boys models
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Overview
About this bike
When your young rider has graduated from their single speed with coaster brakes, they're ready for Bianchi's Duel 20". With its high-quality Bianchi aluminum frame, Shimano 6-speed drivetrain with easy-to-use twist shifter, and linear pull brakes, this bike will allow them to become a confident rider quickly. The 20" alloy rims and knobby tires roll fast over all types of terrain and offer tons of stability and traction. There's also a suspension fork to smooth out their ride and a chain guard to keep pant legs safe.
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- Suspended Fork 20"
- Component Stem
- Alloy, Diam 25.4, 1.1/8", Ext: 60mm, Rise 17°
- Product Family
- Duel
- Component Chain
- Steel 1/2"x1/8"
- Component Color
- Black/Celeste Matte
- Component Frame
- Duel 20 Boy , Alloy 6061, 20" Wheels, Size: 28cm
- Component Brakes
- V-Brake, Alloy
- Component Pedals
- Included
- Component Saddle
- Black, Steel Rail
- Component Headset
- Ahead Type
- Component Crankset
- Steel w/36T Chainring, Crank Length 127mm
- Component Seatpost
- Steel, Diam. 27.2mm, Length: 250mm
- Component Shifters
- Shimano Tourney SL-RS35-6R 6sp
- Component Handlebar
- Steel, Width:560mm, Rise:30mm, Back Sweep: 15°
- Component Wheel Set
- Alloy
- Component Front Tire
- 20x1.95"
- Component Tape Grips
- L/R:92mm/125mm
- Component Bottom Bracket
- Steel, Sealed Type
- Component Rear Derailleur
- Shimano Tourney RD-TY300 6sp
- Component Cassette Freewheel
- Shimano Tourney MF-TZ20 Tourney 6SP, 14-16-18-21-24-28T
- Crankset
- Steel w/36T Chainring, Crank Length 127mm
- Pedals
- Included
- Bottom Bracket
- Steel, Sealed Type
- Chain
- Steel 1/2"x1/8"
- Seatpost
- Steel, Diam. 27.2mm, Length: 250mm
- Saddle
- Black, Steel Rail
- Handlebar
- Steel, Width:560mm, Rise:30mm, Back Sweep: 15°
- Headset
- Ahead Type
- Rear Derailleur
- Shimano Tourney RD-TY300 6sp
- Stem
- Alloy, Diam 25.4, 1.1/8", Ext: 60mm, Rise 17°
- Brakes
- V-Brake, Alloy
- Fork
- Suspended Fork 20"
- Frame
- Duel 20 Boy , Alloy 6061, 20" Wheels, Size: 28cm
- Shifters
- Shimano Tourney SL-RS35-6R 6sp
- Tape/Grips
- L/R:92mm/125mm
- Color
- Black/Celeste Matte
- Cassette/Freewheel
- Shimano Tourney MF-TZ20 Tourney 6SP, 14-16-18-21-24-28T
- Wheel Set
- Alloy
- Front Tire
- 20x1.95"
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.