State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, full drive side profile on 650b Vittoria Barzo knobby tires
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, rear drivetrain with SRAM AXS derailleur and cassette on a 700c wheel
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, front wheel and chromoly fork with 700c Continental Terra Hardpack tire and hydraulic disc brake
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, full drive side profile on 700c Continental Terra Hardpack tires
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, head on front view showing the 33 degree flare gravel handlebar
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, head on front view with knobby tire clearance visible at the fork
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, rear drivetrain with SRAM AXS derailleur on a 650b Vittoria Barzo wheel
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, full drive side profile with dropper ready frame and three bottle mounts
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, front wheel and fork with 650b Vittoria Barzo 2.1 inch tire and disc rotor
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, rear three quarter view on 650b knobby tires
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, full drive side profile on 650b Vittoria Barzo knobby tires
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, rear drivetrain with SRAM AXS derailleur and cassette on a 700c wheel
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, front wheel and chromoly fork with 700c Continental Terra Hardpack tire and hydraulic disc brake
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, full drive side profile on 700c Continental Terra Hardpack tires
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, head on front view showing the 33 degree flare gravel handlebar
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, head on front view with knobby tire clearance visible at the fork
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, rear drivetrain with SRAM AXS derailleur on a 650b Vittoria Barzo wheel
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, full drive side profile with dropper ready frame and three bottle mounts
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, front wheel and fork with 650b Vittoria Barzo 2.1 inch tire and disc rotor
State Bicycle Co. 4130 All-Road Raw Phosphate with wireless SRAM AXS, rear three quarter view on 650b knobby tires
State Bicycle Co.

State Bicycle Co. 4130 All-Road - Raw Phosphate | Wireless SRAM AXS Gravel Bike | 650b or 700c

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State Bicycle Co. builds machines meant to be ridden hard. As an authorized retailer, every bike we sell is backed by State’s "ProBuild" warranty standards, ensuring your rig is protected against manufacturing defects.

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Frame4130 chromoly steel with thru axles, a UDH hanger and internal dropper routing.
GearingWireless SRAM AXS. Rival XPLR 13 speed 10 to 46T, or Eagle Mullet 12 speed 10 to 52T.
Wheels700c on 50mm Continental Terra Hardpack, or 650b on 2.1 inch Vittoria Barzo.
BrakesSRAM Rival E1 carbon levers with full hydraulic disc brakes.
SizesFour frames, XS through L, for riders 5 foot 1 to 6 foot 5.
CompareFit & sizeSpecificationWhat's in the Box

Fit

Find your size

Sizes overlap on purpose. Between two, the smaller rides more upright and the larger stretches you out. Every size shares a 450mm chain stay and a 50mm fork offset, so handling stays consistent across the range.

Geometry
4130 All-Road

4130 All-Road Overview

The State Bicycle Co. 4130 All-Road in Raw Phosphate is a chromoly gravel bike built around a fully wireless SRAM AXS drivetrain. It is the same frame as the 12 speed All-Road with the cables taken out of it.

You choose two things. The drivetrain: Rival XPLR AXS, thirteen speeds across 10 to 46T, or the Eagle Mullet, twelve speeds across 10 to 52T with a 520 percent range. And the wheels: 700c on 50mm Continental Terra Hardpack, or 650b on 2.1 inch Vittoria Barzo. Both drivetrains use Rival E1 carbon levers with full hydraulic discs, and both include the battery and charger.

Skip it if you want a bike you can re-index with a multi tool at the roadside. And if this is more bike than your riding needs, the 12 speed All-Road is the same frame with a cable drivetrain for $999.99.

Built to be changed

Every interface is a current standard. A UDH hanger, so a bent derailleur is a part any shop in the world can order, and both of these AXS derailleurs bolt straight through the frame with no separate hanger at all. Thru axles front and rear, 12x100 and 12x142.

Internal routing is already in place for a dropper post. Three water bottle mounts plus rack, fender and accessory mounts. Load it for a week out, or strip it back to a fast Saturday bike.

WIRELESS, AND WHY IT MATTERS IN THE DIRT

Electronic shifting is usually sold on speed. On a bike that lives in dust and grit the better argument is duller: nothing about it degrades between services.

Cable housing contaminates. Cables stretch. Indexing drifts, so the shift you had in March is not the shift you have in August. A wireless derailleur moves to a position it already knows, every time, whatever the bike has been through. Both of these bolt through the frame with no hanger to bend and no limit screws to set.

SRAM AXS rear derailleur and cassette on the 700c build of the 4130 All-RoadSRAM AXS rear derailleur on the 650b build of the 4130 All-Road

TWO WHEEL SIZES, TWO BIKES

Same frame, same clearance, genuinely different bikes. The 700c build runs the Continental Terra Hardpack TR 50mm on 23mm rims: a flat centre tread that rolls fast on pavement and hard pack, with shoulder lugs for the rough parts.

The 650b build runs Vittoria Barzo 2.1 inch knobbies on 25mm rims. More volume, more grip, more trail. If your gravel is closer to singletrack, that is the one. The frame takes either, so the other wheelset can come later.

4130 All-Road Raw Phosphate built with 700c Continental Terra Hardpack tires4130 All-Road Raw Phosphate built with 650b Vittoria Barzo knobby tires
700c Terra Hardpack 50mm

700c Terra Hardpack 50mm

Continental's fast gravel tread on 23mm tubeless capable rims. Quick on pavement, grippy on hard pack.

650b Vittoria Barzo 2.1 inch

650b Vittoria Barzo 2.1 inch

Knobby 27.5 inch rubber on 25mm rims. More volume and more grip when the surface turns to trail.

Room For Real Rubber

Room For Real Rubber

700c up to 55mm, or 650b up to 60mm, on the steel fork. Three bottle mounts plus rack and fender mounts.

Thru Axles And A UDH Hanger

Thru Axles And A UDH Hanger

12x100 front and 12x142 rear, and a Universal Derailleur Hanger both AXS derailleurs bolt straight through.

Frame 4130 chromoly steel, thru axle dropouts, 142mm rear spacing, UDH compatible
Fork 4130 chromoly steel matched to the frame, 12x100mm thru axle, rack and accessory mounts
Cable routing Semi internal. Dropper post ready
Mounts Three water bottle mounts plus rack, fender and accessory mounts
Drivetrain option 1 SRAM Rival XPLR AXS, wireless, 13 speed, 10 to 46T
Drivetrain option 2 SRAM Transmission Eagle Mullet AXS, wireless, 12 speed, 10 to 52T, 520 percent range
Rear derailleur Rival XPLR Full Mount, or S1000 T-Type. Both hangerless
Cassette Rival 10 to 46T 13 speed, or Eagle XS-1270 10 to 52T 12 speed
Chain SRAM Flat Top, or Eagle T-Type
Crankset Rival XPLR E-Gen, 42T direct mount
Crank arm length 165mm on XS, S and M. 170mm on L
Levers and brakes SRAM Rival E1 carbon levers with full hydraulic disc brakes
Handlebar Gravel handlebar with 33 degree flare
Rims, 700c 23mm internal, tubeless capable. Tape, valves and sealant required
Rims, 650b 25mm internal, tubeless capable. Tape, valves and sealant required
Tires, 700c Continental Terra Hardpack TR 50mm, tubeless ready
Tires, 650b Vittoria Barzo 2.1 inch. Not rated tubeless
Tire clearance 700c up to 55mm, or 650b up to 60mm, with the steel fork
Battery SRAM AXS battery and charger included
— Frame geometry — XS / S / M / L
Chain Stay 450mm / 450mm / 450mm / 450mm
Effective Top Tube 510mm / 535mm / 550mm / 575mm
Fork Offset 50mm / 50mm / 50mm / 50mm
Head Tube 125mm / 145mm / 165mm / 185mm
Head Tube Angle 70.5° / 71° / 71.5° / 71.5°
Seat Tube 430mm / 470mm / 510mm / 550mm
Seat Tube Angle 75° / 74.5° / 73.5° / 73°
— Rider height — 5'1" - 5'6" / 5'5" - 5'10" / 5'9" - 6'2" / 6'1" - 6'5"

WHAT'S IN THE BOX

4130 All-Road Complete Bike

Ships partially assembled. Attach the front wheel, handlebar and pedals, then check the brakes and shifting before the first ride.

AXS Battery And Charger

The SRAM AXS battery and its charger are included with either drivetrain.

Belcopia Support

We are an authorized State Bicycle Co. dealer, so the warranty is the real one and we can get you parts.

Questions before buying

Which drivetrain should I choose?

Rival XPLR is thirteen speeds across 10 to 46T, so the steps between gears are smaller and your cadence stays steady on rolling terrain. The Eagle Mullet is twelve speeds across 10 to 52T, a 520 percent range, which gives up a little smoothness for a much lower bailout gear. Long fast gravel days favour the XPLR. Big climbs and loaded bikepacking favour the Mullet.

Which wheel size should I choose?

700c with the 50mm Continental Terra Hardpack is the faster, more versatile setup and the one most gravel riders want. 650b with the 2.1 inch Vittoria Barzo has more volume and more grip for rough ground and trail. The frame takes either, so you can add the other wheelset later.

Are the tires tubeless?

The rims are tubeless capable in both sizes, though tape, valves and sealant are not included. The 700c Continental Terra Hardpack is tubeless ready. The 650b Vittoria Barzo is not rated tubeless. It may be possible to set it up that way, but State does not guarantee it and recommends professional assembly for any tubeless setup.

What is UDH and why does it matter?

Universal Derailleur Hanger is a shared standard, so the part that joins the derailleur to the frame is one any shop can order rather than a proprietary piece. It is also what these AXS derailleurs need: both mount straight through the frame with no separate hanger at all, and neither has limit screws to set.

Does it come assembled?

It ships partially assembled. State also offers a Pro Build, assembled and safety checked in Phoenix with the wireless drivetrain paired, calibrated and firmware updated before it ships. That adds one to two weeks to the build queue. Ask us before you order if you want it.

When does it ship?

This is a preorder. State's own estimate is late September. We confirm the date with State when you order rather than guess at it.

Complete Your Ride

State Bicycle carbon fiber Monster gravel fork v2 — 3/4 view showing matte black carbon with SBC logo, wide tire clearance, and cage mounts
State Bicycle Co. - Carbon Fiber "Monster" Gravel Fork v2
$299.99
State Bicycle All-Road suspension gravel fork 40mm travel — 3/4 angled view with SBC logo and thru-axle
State Bicycle Co. - All-Road Suspension Gravel Fork (40mm)
$450.00
State Bicycle Co. All-Road platform clipless combo pedal top view showing SPD cleat mechanism and textured grip surface
All-Road Platform / Clipless Combo Pedal (SPD Compatible)
$59.99
State Bicycle Co. alloy platform pedals in black, pair showing edge and face views with oval cutout windows and traction pins
State Bicycle Co - Alloy Platform Pedals (2 Colors)
$24.99

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