The Cannondale Topstone 2 is a gravel bike, built on a aluminium frame, listed at $3,499. A drop-bar all-road bike for gravel, dirt and mixed surfaces.
aluminiumdisc brakegravel
SizingWhat size Topstone 2 do I need?
cm
Enter your height to see the size we would start with.
General guide: road and gravel bikes
Size
Rider height
In feet
XS48 to 50 cm frame
152 to 160 cm
5 ft 0 in to 5 ft 3 in
S51 to 52 cm frame
160 to 167 cm
5 ft 3 in to 5 ft 6 in
M53 to 54 cm frame
167 to 174 cm
5 ft 6 in to 5 ft 9 in
ML55 to 56 cm frame
174 to 181 cm
5 ft 9 in to 5 ft 11 in
L57 to 58 cm frame
181 to 188 cm
5 ft 11 in to 6 ft 2 in
XL59 to 61 cm frame
188 to 196 cm
6 ft 2 in to 6 ft 5 in
Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
SpecificationsWhat we know
Brand
Cannondale
Category
Gravel
Frame
Aluminium
Wheel size
700c
Brakes
Disc
Price
$3,499, RRP AUD (Ivanhoe Cycles)
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize MD
Cannondale Topstone 2, size MD. Published geometry, drawn to scale (BB drop or fork offset not published, typical value used).
Stack
579 mm
Reach
385 mm
Stack/reach
1.50
Head angle
71 deg
Seat angle
73.1 deg
Wheelbase
1045 mm
Chainstay
435 mm
BB drop
75 mm
GearingRatios
0.88lowest (climbing)
4.18highest (speed)
Low climbing gear
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
Groupset
Shimano GRX 400
Shifting
Mechanical
Drive
2x
Speeds
10
Crank
FSA Omega AGX+
Chainrings
46/30
Cassette
Shimano HG500 11-34T
Brakes
Shimano GRX 400 hydraulic disc
Rotors
160/160mm
Wheelset
WTB ST i23 TCS, 28h, tubeless ready (Formula hubs)
Stock tyre
700x37c
Max tyre clearance
45 mm
Fork material
Carbon
BB standard
BSA threaded
Thru-axle
12x142mm rear
Bike DNAWhat the numbers say
Position
Stack-to-reach 1.50 gives a balanced, endurance riding position.
Steering
A 71 deg head angle points to stable, relaxed steering.
Climbing
Lowest ratio 0.88 is a low climbing gear that still handles steep pitches.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (99spokes.com + geometrygeeks stack/reach + backfill 2026-09-27: bikeinsights.com, cannondale.com), verified 2026-09-03. This is a specification analysis, not a physical ride review.