Quiver

Cannondale2021

2021 Cannondale Topstone

Gravel

The 2021 Cannondale Topstone sits in the middle of the range for gravel bikes. Reach 368 to 402 mm, stack 518 to 640 mm. The Topstone 0 build comes with Shimano GRX RX800 shifting and WTB Riddler TCS tires.

Source: cannondale.com. Checked .

Key facts

Model year
2021
Type
Gravel
Geometry labels
XS, S, M, L, and XL
Drivetrain
Varies by build
Geometry
Complete for every size
Checked

Geometry by size

2021 Cannondale Topstone geometry drawing, size MSide view of the 2021 Cannondale Topstone frame in size M, drawn to scale from its published geometry, with lettered dimension lines.J 1040A 385mmB 579mmJ 1040mmH 430mmK 75mmC 561mmD 71.0°E 73.1°F 149mmG 505mmN 284mmL 784mm
Geometry drawing, size M, to scale.
2021 Cannondale Topstone geometry by size
MeasurementXSSMLXL
Reach(mm)368377385394402
Stack(mm)518549579610640
Head tube angle(°)7071717171
Seat tube angle(°)73.173.173.173.173.1
Effective top tube(mm)525544561579596
Chainstay length(mm)430430430430430
Wheelbase(mm)10111022104010601078
BB drop(mm)7575757575
BB height(mm)284284284284284
Standover(mm)703744784825863
Seat tube length(mm)410458505553600
Head tube length(mm)89118149182214

Stock build

Topstone 015 parts

Frame

Cannondale SmartForm C2
Frame

Suspension

BallisTec
Fork

Drivetrain

Shimano GRX RX800
Shifter
Shimano GRX RX810
Derailleur
Cassette
ChainSpeeds 11From the manufacturer: Links 118
Bottom bracketFrom the manufacturer: Shell width 68
Not
Pedals

Wheels & Tires

Brakes

Cockpit

Seatpost & Saddle

Fabric Scoop Radius Sport
Saddle

Keep your Topstone 0 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

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Topstone 114 parts

Frame

Cannondale SmartForm C2
Frame

Suspension

BallisTec
Fork

Drivetrain

ShifterFrom the manufacturer: Speeds 11
Shimano GRX RX810
Derailleur
Cassette
ChainSpeeds 11From the manufacturer: Links 118
Not
Pedals

Wheels & Tires

Brakes

Cockpit

Seatpost & Saddle

Fabric Scoop Radius Sport
Saddle

Keep your Topstone 1 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Topstone 212 parts

Frame

Cannondale SmartForm C2
Frame

Suspension

BallisTec
Fork

Drivetrain

ShifterFrom the manufacturer: Speeds 10From the manufacturer: Actuation type Mechanical
DerailleurFrom the manufacturer: Speeds 10From the manufacturer: Maximum cog 34 t
ChainSpeeds 10
Not
Pedals

Wheels & Tires

Cockpit

Seatpost & Saddle

Fabric Scoop Radius Sport
Saddle

Keep your Topstone 2 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

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Topstone 313 parts

Frame

Cannondale SmartForm C2
Frame

Suspension

BallisTec
Fork

Drivetrain

Derailleur
KMC Z9
ChainFrom the manufacturer: Speeds 9
Crankset
Not
Pedals

Wheels & Tires

RD 2.0
Rim

Brakes

Cockpit

Seatpost & Saddle

Keep your Topstone 3 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

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Topstone 411 parts

Frame

Cannondale SmartForm C2
Frame

Suspension

BallisTec
Fork

Drivetrain

DerailleurFrom the manufacturer: Actuation type MechanicalFrom the manufacturer: Mount type direct
ChainSpeeds 10
Not
Pedals

Wheels & Tires

RD 2.0
Rim

Brakes

Cockpit

Seatpost & Saddle

Keep your Topstone 4 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Topstone Apex 116 parts

Frame

Drivetrain

SRAM Apex 1 HRD
ShifterFrom the manufacturer: Speeds 11
DerailleurSpeeds 11Maximum cog 42 tFrom the manufacturer: Actuation type MechanicalFrom the manufacturer: Mount type derailleur hangerFrom the manufacturer: Clutch Roller Bearing ClutchFrom the manufacturer: Cage length Long
CassetteFrom the manufacturer: Speeds 11
SRAM Apex 1 AXS
CranksetFrom the manufacturer: Spindle / BB interface DUBFrom the manufacturer: Speeds 11
SRAM Apex Wide
Chainring
Bottom bracketFrom the manufacturer: Shell standard 68mm EnglishFrom the manufacturer: Spindle interface GXP

Wheels & Tires

WTB ST i23 Light TCS
WheelsetFrom the manufacturer: Internal rim width 23mm
WTB Nano TCS
Tire

Brakes

BrakeFrom the manufacturer: Caliper mount Flat Mount

Cockpit

Cannondale C3
Handlebar
StemFrom the manufacturer: Bar clamp diameter 31.8mmFrom the manufacturer: Material 6061 alloy

Seatpost & Saddle

TranzX
Dropper postFrom the manufacturer: Actuation Cable
Fabric Scoop Radius Sport
Saddle

Keep your Topstone Apex 1 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Sources agreeManufacturer

Quick answers

Which size or configuration labels have geometry for the 2021 Cannondale Topstone?
Geometry is listed for XS, S, M, L, and XL.
What are the reach and stack of the 2021 Cannondale Topstone in size M?
In size M, reach is 385 mm and stack is 579 mm.
What is the head tube angle of the 2021 Cannondale Topstone?
The head tube angle is 71 degrees in size M.
What does the 2021 Cannondale Topstone 0 ship with?
The stock build includes Cannondale SmartForm C2, BallisTec, Shimano GRX RX800, and WTB Riddler TCS.
Which years of the Cannondale Topstone are on Quiver?
Quiver has the Cannondale Topstone for 2021, 2025, and 2020.

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