Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Cannondale
2021 Cannondale SystemSix Carbon Ultegra
Value Guide market data · 2021 Cannondale SystemSix Carbon Ultegra
12-month trend
15%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2021 Cannondale SystemSix Carbon Ultegra
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All SystemSix model years
2021 SystemSix Carbon Ultegra lineup
Overview
About this bike
2021 Cannondale SystemSix Carbon Ultegra value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- BallisTec Carbon, 1-1/8" - 1-1/4" steerer, 12 x 100mm Speed Release thru-axle, flat mount disc, 55mm offset (47-51cm) 45mm offset (54-62cm)
- Frame
- BallisTec Carbon, integrated cable routing w/Switchplate, SAVE, PF30a, flat mount disc, 12 x 142 Speed Release thru-axle
Drivetrain
- Groupset
- 2021 Cannondale SystemSix Carbon Ultegra
- Crankset
- HollowGram, BB30a, OPI SpideRing, 52/36
- Bottom Bracket
- Cannondale Alloy PressFit30
- Chain
- Shimano HG601, 11-speed
- Front Derailleur
- Shimano Ultegra, braze-on
- Rear Derailleur
- Shimano Ultegra
- Cassette/Rear Cogs
- Shimano 105, 11-30, 11-speed
- Shifters
- Shimano Ultegra, 11-speed
Brakes
- Brake Levers
- Shimano Ultegra
- Brakes
- Shimano Ultegra hydraulic disc, 160/140mm RT800 rotors
Cockpit
- Saddle
- Prologo Dimension STN NDR, steel rails
- Headset
- Integrated, 1-1/8" - 1-1/4
- Stem
- HollowGram KNØT, Alloy w/cable cover, -17°
- Handlebars
- HollowGram KNØT SystemBar, Carbon, 8 deg. pitch adjust
- Seat Post
- HollowGram 60 KNØT Carbon, 330mm
- Tape/Grips
- Cannondale Bar Tape, 3.5mm
Wheels & Tires
- Hubs
- Front: Vision Sealed Cartridge hub 12x100mm<br>Rear: Vision Sealed Cartridge hub, 12 x 142mm
- Tires
- Vittoria Rubino Pro Bright Black, 700 x 25c, reflective strip
- Spokes
- DP Spokes - 21F / 24R
Pedals
- Pedals
- Sold separately
Accessories
- Rims/Wheels
- Vision SC55, carbon clincher disc, tubeless ready
- Color
- Candy Red
Weight & Sizing
- Size
- 47cm / 51cm / 54cm / 56cm / 58cm / 60cm / 62cm
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.