Quiver

Cannondale2026

2026 Cannondale Topstone Carbon Lefty

Gravel

The 2026 Cannondale Topstone Carbon Lefty sits more upright than most gravel bikes, with a shorter rear center. Reach 364 to 397 mm, stack 554 to 646 mm. The Topstone Carbon 1 Lefty AXS build comes with SRAM GX Eagle AXS shifting and WTB Vulpine TCS tires.

Source: cannondale.com. Checked .

Key facts

Model year
2026
Frame
Lefty
Type
Gravel
Geometry
Complete for every size
Checked

Geometry by size

2026 Cannondale Topstone Carbon Lefty geometry drawing, size 54.0Side view of the 2026 Cannondale Topstone Carbon Lefty frame in size 54.0, drawn to scale from its published geometry, with lettered dimension lines.J 1026A 378mmB 579mmJ 1026mmH 420mmK 76mmC 554mmD 70.7°E 73.1°F 123mmG 482mmN 283mmL 772mm
Geometry drawing, size 54.0, to scale.
2026 Cannondale Topstone Carbon Lefty geometry by size
Measurement47.051.054.056.058.061.0
Reach(mm)364373378383389397
Stack(mm)554561579597615646
Head tube angle(°)69.970.770.770.770.770.7
Seat tube angle(°)73.173.173.173.173.173.1
Effective top tube(mm)532543554564576593
Chainstay length(mm)420420420420420420
Wheelbase(mm)100910121026103610501069
BB drop(mm)797976767474
BB height(mm)280280283283285285
Standover(mm)716741772800831864
Seat tube length(mm)410446482518554590
Head tube length(mm)97101123142164196

Stock build

17 parts

Frame

Cannondale Topstone
Frame

Suspension

Lefty Oliver
Fork

Drivetrain

ShifterFrom the manufacturer: Speeds 12From the manufacturer: Actuation type Electronic
SRAM GX Eagle AXS
Derailleur
SRAM GX Eagle Transmission
CassetteFrom the manufacturer: Freehub body SRAM XD
CranksetFrom the manufacturer: Chainring interface Direct MountFrom the manufacturer: Spindle / BB interface DUB
Bottom bracket

Wheels & Tires

Reserve 40|44 GR
Rim

Brakes

Cockpit

HandlebarFrom the manufacturer: Material Aluminum
Cannondale C1 Conceal
Stem
Cannondale KnurlCork
GripsFrom the manufacturer: Compound / material cork

Seatpost & Saddle

Cannondale SAVE
Seatpost

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Manufacturer

Quick answers

Which size or configuration labels have geometry for the 2026 Cannondale Topstone Carbon Lefty?
Geometry is listed for 47.0, 51.0, 54.0, 56.0, 58.0, and 61.0.
What are the reach and stack of the 2026 Cannondale Topstone Carbon Lefty in size 56.0?
In size 56.0, reach is 383 mm and stack is 597 mm.
What is the head tube angle of the 2026 Cannondale Topstone Carbon Lefty?
The head tube angle is 70.7 degrees in size 56.0.
What does the 2026 Cannondale Topstone Carbon 1 Lefty AXS ship with?
The stock build includes Cannondale Topstone, Lefty Oliver, SRAM Rival AXS, and WTB Vulpine TCS.
Which years of the Cannondale Topstone Carbon are on Quiver?
Quiver has the Cannondale Topstone Carbon for 2026, 2025, 2021, and 2020.

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