Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Cannondale
2021 Cannondale Synapse Carbon Disc Tiagra
Value Guide market data · 2021 Cannondale Synapse Carbon Disc Tiagra
12-month trend
14%
Direction and magnitude, not judgment
vs. category average
8%
Holds value better than category avg
Price over time - 2021 Cannondale Synapse Carbon Disc Tiagra
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Synapse model years
2025$15,344 - $17,819▲ 110% vs. 2021
2024$5,162 - $5,994▼ 30% vs. 2021
2023$1,934 - $2,246▼ 74% vs. 2021
2022$8,417 - $9,774▲ 15% vs. 2021
2021$7,324 - $8,505Currently viewing
2020$9,300 - $10,800▲ 27% vs. 2021
2019$9,765 - $11,340▲ 33% vs. 2021
2018$9,300 - $10,800▲ 27% vs. 2021
2017$7,440 - $8,640▲ 2% vs. 2021
2016$8,370 - $9,720▲ 14% vs. 2021
2015$8,565 - $9,947▲ 17% vs. 2021
2014$7,552 - $8,770▲ 3% vs. 2021
2013$7,161 - $8,316▼ 2% vs. 2021
2012$6,045 - $7,020▼ 17% vs. 2021
2011$5,952 - $6,912▼ 19% vs. 2021
2010$7,905 - $9,180▲ 8% vs. 2021
2009$6,417 - $7,452▼ 12% vs. 2021
2008$4,464 - $5,184▼ 39% vs. 2021
2007$3,906 - $4,536▼ 47% vs. 2021
2006$3,999 - $4,644▼ 45% vs. 20212021 Synapse Carbon Disc Tiagra lineup
Overview
About this bike
2021 Cannondale Synapse Carbon Disc Tiagra value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- BallisTec Carbon, SAVE, integrated crown race, internal routing, size-specific design:, Sizes 44 – 48: 1 1/8" steerer, 60mm rake , Sizes 51 – 54: 1-1/8" - 1-1/4" tapered steerer, 55mm rake , Sizes 56 – 61: 1-1/8" - 1-3/8" tapered steerer, 45mm rake
- Frame
- BallisTec Carbon, Di2 ready, SAVE, BB30a, flat mount, internal cable routing, removable fender bridge
Drivetrain
- Groupset
- Shimano Tiagra
- Bottom Bracket
- Cannondale Alloy PressFit30
- Cassette
- Shimano HG500, 11-34, 10-speed
- Chain
- KMC X10EL, 10-speed
- Chainrings
- 50/34T
- Crankset
- FSA Omega Alloy
- Front Derailleur
- Shimano Tiagra, braze-on
- Rear Derailleur
- Shimano Tiagra GS
- Shifters
- Shimano Tiagra hydro disc, 2x10
Brakes
- Brake Levers
- Shimano Tiagra hydro disc
- Brakes
- Shimano Tiagra hydro disc, 160/160mm RT10 rotors
Cockpit
- Handlebars
- 6061 alloy, Compact
- Headset
- Synapse, 1-1/4" lower bearing, 25mm top cap
- Saddle
- Fabric Scoop Shallow Sport, steel rails
- Seatpost
- 6061 Alloy, 25.4 x 350mm (sizes 44 – 56), 400mm (sizes 58 – 61)
- Stem
- Cannondale 4, 6061 alloy, 31.8, 7°
- Grips
- Cannondale Grip Bar Tape w/Gel, 3.5mm
Wheels & Tires
- Axles
- Front: 12 x 100mm thru-axle, Rear: 12 x 142mm thru-axle
- Hubs
- Front: Formula CL-712, centerlock , Rear: Formula RXC-400, centerlock
- Rims
- RD 2.0, 28h
- Spokes
- Stainless steel, 14g
- Tires
- Vittoria Zaffiro, 700 x 28c
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
Carbon inspection
Tap test the frame, fork, seatpost, and bars for cracks; verify no impact damage near dropouts.
Inspection
Brake hoses & cables
Check hydraulic line bleed, cable housing wear, and confirm rotors are within spec.