Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Bianchi
2021 Bianchi Duel 29S
Value Guide market data · 2021 Bianchi Duel 29S
12-month trend
10%
Direction and magnitude, not judgment
vs. category average
2%
Holds value better than category avg
Price over time - 2021 Bianchi Duel 29S
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Duel model years
2021 Duel 29S lineup
Overview
About this bike
2021 Bianchi Duel 29S value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- SR Suntour XCM HLO DS 29" 100mm
- Frame
- Duel 29" Alu, 1.1/8" HT, BSA 68mm, Seatpost Diam. 27.2mm, Seat Tube Diam. 31.8mm, FdD Top Pull, INTL 160mm Disc Mounting Dropouts 9x135mm QR, External Cable Routing Under TT
Drivetrain
- Groupset
- Shimano Alivio
- Bottom Bracket
- Shimano BB-UN101
- Cassette
- Shimano HG200-9, 11-13-15-17-20-23-26-30-36T
- Chain
- KMC HV900 9sp
- Crankset
- Shimano FC-MT101-2, 36/22T, Crank Length: 170mm-15/17", 175mm-19/21"
- Front Derailleur
- Shimano FD-M2000-TS
- Rear Derailleur
- Shimano Alivio RDM3100 SGS 9sp
- Shifters
- Shimano Alivio SL-M3100 2x9sp
Brakes
- Brakes
- Shimano BR-MT200
- Rotors
- Shimano SM-RT10, 160mm Front & Rear, Center Lock
Cockpit
- Handlebar
- Tec PG Alloy 6061, Width 700mm, Diam. 31,8mm, Rise 15mm, Backsweep 9°
- Headset
- FSA TH888
- Saddle
- Tec Rector, Steel Rails
- Seatpost
- Tec AL2014 Shaft, Alloy Head, Diam. 27.2mm, 0mm Seatback, Length: 300mm-15", 350mm-17/21"
- Stem
- Tec 3D Forged Alloy 6061, +/-7°, 1.1/8", Diam. 31.8mm, Ext: 80mm-15/17", 90mm-19/21"
- Grips
- T-One T-GP48B
Wheels & Tires
- Front Tire
- Kenda Booster 29 x 2.20"
- Hubs
- Front: Formula CL-1420, Rear: Formula CL-1422
Pedals
- Pedals
- Included
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.