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Cannondale Topstone Carbon 3

Cannondale Topstone Carbon 3
  • Color: Quicksand
  • Color: Carbon
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NOTE: "In store" availability on bicycles includes some bikes still in boxes. Please contact us via the live chat icon at the bottom of the page or call us at (303)444-4196 to confirm build status. ----------------This item is not permitted to be shipped, however it can be purchased online and picked up at your convenience. We also offer $25 regional Home Delivery for any purchase.

To use our $25 Boulder Area Delivery service, select it while viewing your cart or during the checkout process.
Please call us at 303-444-4196 with any compatibility questions! We are always happy to help.


Nothing is Impassable
The best gravel bike for anything from dirt roads to singletrack trails. With the grip and comfort of the Kingpin suspension, nothing is off-limits.

Where it thrives
Gravel and Dirt Roads, Rough Pavement, Trails

What it's built for
Gravel riding, back road exploring, bike packing and off-road adventures

- Lightweight Topstone Carbon frameset with Kingpin suspension, SmartSense Ready / Integrated Cannondale App connectivity
- Shimano GRX 800/600 11-speed gravel group
- WTB ST i23 TCS rims / 700x45c WTB Riddler TCS Light tires

Go ahead, ride it.
Gravel. Beat-up backroads. Rolling singletrack trails. If your idea of road riding takes you beyond the paved and predictable, Topstone Carbon is the gravel bike for you. With the go-anywhere, ride-anything traction of its revolutionary Kingpin suspension system, it delivers more comfort on-road, and more grip- and-rip control off-road than any other bike on the market.

Kingpin Suspension
Delivering a smooth ride without the added weight and complexity of a shock and links, Kingpin is our answer for the most demanding gravel riders. Whether you need more comfort to go long, more traction to push beyond or more give to take on the tech - Kingpin is the maintenance-free, lightweight answer to your prayers.

Load Up. Roll Out.
With plentiful gear and waterbottle mounts on the frame and fork, Topstone Carbon is ready to load up and go long.

Corner like a Boss
Rail through the rough and come out smiling. Led by our OutFront steering geometry, the Topstone Carbon offers up handling that's serenely stable in the chop, and light & nimble everywhere else.

Geometry Chart:
Seat Tube Length (cm) 41 45.8 50.5 55.3 59
Top Tube Horizontal (cm) 53.3 54.4 55.7 57.2 58.7
Top Tube Actual 50.3 51.6 53.2 55 56.7
Head Tube Angle 70.0° 71.2° 71.2° 71.2° 71.2°
Seat Tube Angle Effective 73.1° 73.1° 73.1° 73.1° 73.1°
Seat Tube Angle Actual 71.4° 71.6° 71.8° 71.9° 72.1°
Standover (cm) 70.4 74.5 78.5 82.3 85.7
Head Tube Length (cm) 10.5 12.3 15 17.7 20.5
Wheelbase (cm) 101 101.3 102.9 104.4 106.1
Front Center (cm) 60.1 60.3 61.7 63.3 64.9
Chain Stay Length (cm) 42 42 42 42 42
Bottom Bracket Drop (cm) 7.4 6.9 6.7 6.7 6.4
Bottom Bracket Height (cm) 27.8 28.3 28.5 28.5 28.8
Fork Rake (cm) 5.5 5.5 5.5 5.5 5.5
Trail (cm) 6.9 6.2 6.2 6.2 6.2
Stack (cm) 53.4 55.1 57.4 60 62.4
Reach (cm) 37.1 37.7 38.3 39 39.7
SizeHeight (inches)Height (cm)
X-Small 5’0” - 5’5” 152 - 165cm
Small 5’4” - 5’9” 162 - 175cm
Medium 5’7” - 6'1" 170 - 185cm
Large 5’11” - 6'4" 180 - 193cm
X-Large 6’3” - 6'8" 190 - 203cm


Frame Topstone Carbon, Kingpin suspension system, SmartSense compatible, 12x142mm thru-axle, 27.2 dropper post ready, BSA 68mm threaded BB, DirectLine internal cable routing, removable fender bridge, multiple gear/bottle mounts
Fork Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, triple bottle/gear mounts, fender mounts
Wheels WTB ST i23 TCS, 700c, 28h, tubeless ready
Hubs Front: Formula cartridge bearing, 12x100mm, centerlock
Rear: Formula cartridge bearing, 12x142mm, centerlock
Spokes Stainless Steel, 14g
Tires WTB Riddler TCS Light, 700 x 45c, tubeless ready
Bottom Bracket Shimano BSA 68
Crankset Shimano GRX 600, 46/30
Shifters Shimano GRX 600, 11-speed
Front Derailleur Shimano GRX 810, braze-on
Rear Derailleur Shimano GRX 810, Shadow RD+
Cassette/Freewheel Shimano HG700, 11-34, 11-speed
Chain Shimano HG601, 11-speed
Brakes Shimano GRX 600 hydraulic disc, 160/160mm RT64 rotors
Brake Levers Shimano GRX 600 hydraulic disc
Handlebars Cannondale 3, butted 6061 Alloy, 16 deg flare drop
Tape/Grips Fizik Solocush Soft, 3mm
Stem Cannondale 3, 6061 Alloy, 31.8, 7°
Headset Integrated, 1-1/8" - 1-1/2"
Seatpost Cannondale 3, 6061 Alloy, 27.2 x 350mm
Saddle Fizik Aliante Delta, S-alloy rails
Pedals Sold separately
Accessories & Extras StrapRack toolholder

* Subject to change without notice.

Part Numbers

Option UPC MPN Store SKU
Carbon / Medium 884603936917 C15372U10MD 210000036726