Cannondale Topstone Alloy vs Giant Revolt 2

Both published charts held against each other, on the specs that decide what the bike carries.

The short answer

The Topstone Alloy takes frame bag space, the rack path and fork cargo mounts; the Revolt 2 takes tire clearance and price. Which matters more is your route, not a scoreboard.

Assembled from the differences below rather than written over them, so it cannot drift from the table. Every figure is the manufacturer's; nobody here has ridden either bike.

Where they differ

5 of the 6 things we can compare come out differently. The rest are close enough not to decide anything.

Frame bag space

192 cm² more on the Topstone Alloy
Cannondale Topstone Alloy
1712 cm²
Giant Revolt 2
1520 cm²

Front-triangle area at the largest size, computed from stack, reach and seat angle. It is what decides how much full-frame bag you can run, and a frame bag is the one place weight sits low and central.

Widest published tire

8mm more on the Revolt 2
Cannondale Topstone Alloy
45mm on 700c / 29in
Giant Revolt 2
53mm on 700c / 29in

The frame figure, not the fork's — forks are routinely cut for more rubber than the rear triangle. Loaded, tire width is also seat-pack clearance: a big tire and a sagging pack compete for the same space.

Rear rack

Topstone Alloy is the one you can bolt a rack to without hunting for parts
Cannondale Topstone Alloy
Bolts straight on
Giant Revolt 2
Not published

Read from each maker's own mount wording. An adapter is a real cost the price tag does not mention, and 'not published' is not the same as no — it just is not something to buy a rack on.

Fork cargo mounts

only the Topstone Alloy publishes somewhere to bolt a cage
Cannondale Topstone Alloy
Published
Giant Revolt 2
None published

Cage mounts on the fork blades. This moves weight low and off the bars, which is where a heavy bar roll does the most to the steering.

From

$199 between them
Cannondale Topstone Alloy
$1,599
Giant Revolt 2
$1,400

Manufacturer's cheapest complete build. Every spec above belongs to the frame and does not change between builds of the same model, so the cheapest build of the right frame is usually the right answer.

Side by side

Including the rows where the two are level, because a spec that doesn't separate them is still a spec you might be checking.

Cannondale Topstone AlloyGiant Revolt 2
Frame bag space1712 cm²1520 cm²
Widest published tire45mm on 700c / 29in53mm on 700c / 29in
Rear rackBolts straight onNot published
Fork cargo mountsPublishedNone published
Chainstay435mm430mm
From$1,599$1,400
Sizes56
FrameSmartForm C2 AlloyALUXX-grade aluminum

Drawn to scale

Largest published size of each, built from the charts rather than illustrated. The front triangle is the part that decides frame bag fit.

Cannondale Topstone Alloy — XL. Front triangle ≈ 1745 cm² · effective top tube 587mm · seat tube 600mm
Cannondale Topstone Alloy in size XL, drawn to scale from the source published geometry. The shaded area is the front triangle — roughly 1745 cm² of space for a frame bag. Wheels are indicative; frame lines are accurate.
Giant Revolt 2 — XL. Front triangle ≈ 1520 cm² · effective top tube 600mm · seat tube 530mm
Giant Revolt 2 in size XL, drawn to scale from Giant's published geometry. The shaded area is the front triangle — roughly 1520 cm² of space for a frame bag. Wheels are indicative; frame lines are accurate.
Cannondale
Topstone Alloy
$1,599 · 5 sizes
Full geometry and which bags fit →
Giant
Revolt 2
$1,400 · 6 sizes
Full geometry and which bags fit →

Other comparisons with these two