Quiver

Cannondale2021

2021 Cannondale Topstone Carbon Lefty

Gravel

The 2021 Cannondale Topstone Carbon Lefty sits in the middle of the range for gravel bikes, with a shorter rear center. Reach 368 to 401 mm, stack 518 to 641 mm. The Topstone Carbon Lefty 1 build comes with SRAM X01 Eagle eTap AXS shifting and Cannondale HollowGram 23 Superlight Hi-Impact wheels.

Source: cannondale.com. Checked .

Key facts

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

Things to know

Compared with other gravel bikes on frame geometry alone.

  • Shorter chainstays than 9 in 10 gravel bikes: 415 mm, where most sit near 430.

Geometry by size

2021 Cannondale Topstone Carbon Lefty geometry drawing, size MSide view of the 2021 Cannondale Topstone Carbon Lefty frame in size M, drawn to scale from its published geometry, with lettered dimension lines.J 1030A 385mmB 579mmJ 1030mmH 415mmK 61mmC 561mmD 71.2°E 73.1°F 165mmG 505mmN 276mmL 798mm
Geometry drawing, size M, to scale.
2021 Cannondale Topstone Carbon Lefty geometry by size
MeasurementXSSMLXL
Reach(mm)368 (from the manufacturer)377 (from the manufacturer)385394401 (from the manufacturer)
Stack(mm)518 (from the manufacturer)550579610641 (from the manufacturer)
Head tube angle(°)70 (from the manufacturer)71.2 (from the manufacturer)71.271.271.2 (from the manufacturer)
Seat tube angle(°)73.1 (from the manufacturer)73.1 (from the manufacturer)73.173.173.1 (from the manufacturer)
Effective top tube(mm)525 (from the manufacturer)544 (from the manufacturer)561 (from the manufacturer)579 (from the manufacturer)596 (from the manufacturer)
Chainstay length(mm)415 (from the manufacturer)415 (from the manufacturer)415415415 (from the manufacturer)
Wheelbase(mm)999 (from the manufacturer)1010 (from the manufacturer)103010491068 (from the manufacturer)
BB drop(mm)69 (from the manufacturer)64 (from the manufacturer)61 (from the manufacturer)61 (from the manufacturer)59 (from the manufacturer)
BB height(mm)268 (from the manufacturer)273 (from the manufacturer)276 (from the manufacturer)276 (from the manufacturer)278 (from the manufacturer)
Standover(mm)710 (from the manufacturer)756 (from the manufacturer)798 (from the manufacturer)838 (from the manufacturer)880 (from the manufacturer)
Seat tube length(mm)410 (from the manufacturer)458 (from the manufacturer)505 (from the manufacturer)553 (from the manufacturer)600 (from the manufacturer)
Head tube length(mm)97 (from the manufacturer)131 (from the manufacturer)165 (from the manufacturer)198 (from the manufacturer)232 (from the manufacturer)
Sources agreeManufacturer

Stock build

Topstone Carbon Lefty 120 parts

Frame

Cannondale BallisTec
Frame

Suspension

Lefty Oliver
Fork

Drivetrain

Cassette
SRAM X01 Eagle
Chain
Bottom bracket
Not
Pedals

Wheels & Tires

Cannondale HollowGram 23 Superlight Hi-Impact
Wheelset
WTB Venture TCS Light
Tire
HollowGram 23
Rim

Brakes

BrakeFrom the manufacturer: Fluid type DOTFrom the manufacturer: Caliper mount Flat Mount
SRAM Force AXS
BrakeFrom the manufacturer: Fluid type DOT

Cockpit

HollowGram SAVE SystemBar
Handlebar
HollowGram SAVE
Stem

Seatpost & Saddle

HollowGram SAVE
Seatpost

Keep your Topstone Carbon Lefty 1 in Quiver

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Topstone Carbon Lefty 312 parts

Frame

Cannondale BallisTec
Frame

Suspension

Lefty Oliver
Fork

Drivetrain

ShifterFrom the manufacturer: Speeds 11
Cassette
Shimano HG601
Chain
Not
Pedals

Wheels & Tires

Brakes

Cockpit

Seatpost & Saddle

Keep your Topstone Carbon Lefty 3 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

Manufacturer

Quick answers

Which size or configuration labels have geometry for the 2021 Cannondale Topstone Carbon Lefty?
Geometry is listed for XS, S, M, L, and XL.
What are the reach and stack of the 2021 Cannondale Topstone Carbon Lefty 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 Carbon Lefty?
The head tube angle is 71.2 degrees in size M.
What does the 2021 Cannondale Topstone Carbon Lefty 1 ship with?
The stock build includes Cannondale BallisTec, Lefty Oliver, SRAM Force eTap AXS HRD, and Cannondale HollowGram 23 Superlight Hi-Impact.
Which years of the Cannondale Topstone Carbon are on Quiver?
Quiver has the Cannondale Topstone Carbon for 2021, 2026, 2025, and 2020.

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