State Bicycle Co. 4130 All-Road vs Surly Straggler 650b

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

The short answer

The 4130 All-Road takes tire clearance, dropper compatibility and price; the Straggler 650b takes the rack path. 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 7 things we can compare come out differently. The rest are close enough not to decide anything.

Widest published tire

10mm more on the 4130 All-Road on 650b / 27.5in
State Bicycle Co. 4130 All-Road
55mm on 700c / 29in, 60mm on 650b / 27.5in
Surly Straggler 650b
50mm on 700c / 29in, 50mm on 650b / 27.5in

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

Rear rack

Straggler 650b is the one you can bolt a rack to without hunting for parts
State Bicycle Co. 4130 All-Road
Not supported
Surly Straggler 650b
Bolts straight on

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.

Dropper post

only the 4130 All-Road publishes dropper routing
State Bicycle Co. 4130 All-Road
Compatible
Surly Straggler 650b
Not compatible

A dropper cannot be strapped to, so fitting one rules out almost every seat pack and leaves rail-mounted bags at a fraction of the volume. It is a capability and a constraint at once.

Chainstay

44mm longer on the 4130 All-Road
State Bicycle Co. 4130 All-Road
450mm
Surly Straggler 650b
406mm

The gap between seat tube and rear axle, which a rack, panniers and your heels all share. Longer is more room for a load; shorter is a more compact bike. Which you want is a preference, not a winner.

From

$699.01 between them
State Bicycle Co. 4130 All-Road
$999.99
Surly Straggler 650b
$1,699

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.

State Bicycle Co. 4130 All-RoadSurly Straggler 650b
Frame bag space1513 cm²1454 cm²
Widest published tire55mm on 700c / 29in, 60mm on 650b / 27.5in50mm on 700c / 29in, 50mm on 650b / 27.5in
Rear rackNot supportedBolts straight on
Fork cargo mountsPublishedPublished
Dropper postCompatibleNot compatible
Chainstay450mm406mm
From$999.99$1,699
Sizes46
FrameSteel4130 Chromoly steel

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.

Surly Straggler 650b — 54cm. Front triangle ≈ 1454 cm² · effective top tube 565mm · seat tube 540mm
Surly Straggler 650b in size 54cm, drawn to scale from Surly's published geometry. The shaded area is the front triangle — roughly 1454 cm² of space for a frame bag. Wheels are indicative; frame lines are accurate.
State Bicycle Co.
4130 All-Road
$999.99 · 4 sizes
Full geometry and which bags fit →
Surly
Straggler 650b
$1,699 · 6 sizes
Full geometry and which bags fit →

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