State Bicycle 4130 All-Road
One Bike to Rule Them All.
"Where Does the Pavement End? Who Cares."
The 4130 All-Road is for the rider who refuses to be defined by one surface. It's a high-performance chameleon, engineered to be fast and efficient on pavement, and ruggedly capable when the road turns to dirt. Feel the legendary ride of the 4130 Chromoly Steel frame, now updated with modern features like a UDH and dropper post routing. Sense the immense versatility of being able to swap between quick 700c road wheels and grippy 650b gravel wheels. This isn't just a bike; it's a key that unlocks every road and every trail, inviting you to explore without limits.
This Is The Tool For You If...
- You want one high-performance bike for road, gravel, and bikepacking adventures.
- You crave the freedom to explore any path that sparks your curiosity.
- You value the smooth, durable ride of steel combined with modern components.
- You believe your bike should be a capable tool for limitless exploration.

The Shape of Freedom

One Bike, Zero Limits
This is the ultimate cycling multi-tool. The genius of the All-Road lies in its adaptable platform. Feel the thrilling speed and efficiency of the 700c wheelset as you fly across pavement on your morning commute. Then, in minutes, swap to the wide, grippy 650b wheels and sense the bike transform into a confident gravel machine, ready to claw up dusty fire roads. With mounts for all your gear and powerful disc brakes, this bike gives you the freedom to choose your adventure, every single day.
The Right Gear for Any Grind

Climb Like a Goat, Descend with Confidence
No climb is too steep, no descent too fast. The 4130 All-Road is equipped with our new 12-speed drivetrain, featuring a massive 11-46t cassette. Feel the satisfaction of spinning up a steep gravel climb in the perfect gear, preserving your energy for the long haul. Hear the crisp, reliable shift as you click into a harder gear for a fast paved section. It’s a simple, durable, and incredibly capable 1x system that gives you the range to conquer any terrain with confidence.
Key Features
4130 Chromoly Steel Frame
A durable, comfortable, and lively steel frame now updated with modern features like UDH and dropper post routing.
700c / 650b Wheel Options
Choose your adventure. Run 700c for speed on the road or 650b for traction and comfort on the trail.
1x12 Drivetrain
A simple and reliable drivetrain with a massive 11-46t gear range, ready to conquer the steepest climbs.
Hydro-Mechanical Disc Brakes
Get the best of both worlds: the power of hydraulic braking with the simplicity and reliability of mechanical cables.
Thru-Axle Dropouts
The modern standard for high-performance bikes, ensuring a stiff connection for better handling and braking.
See It In Action
- Unmatched steel ride quality.
- 12-speed drivetrain for climbing.
- Hydraulic disc brakes for control.
- Adventure-ready mounts and tire clearance.
Technical Specifications
| Frame | 4130 Chromoly Steel, Thru-Axle (142mm), UDH Compatible |
|---|---|
| Fork | 4130 Chromoly Steel All-Road (12x100mm Thru-Axle) with Mounts |
| Wheels (700c) | 23mm Wide Tubeless-Capable Rims, Vittoria Terreno Zero (38mm) |
| Wheels (650b) | 25mm Wide Tubeless-Capable Rims, Vittoria Barzo (2.1") |
| Max Tire Clearance | 700c: 45mm (Standard Fork) | 650b: 2.4" |
| Mounts | 3 Water Bottle Mounts, Rack & Fender Mounts |
Mechanicals
| Drivetrain | State Bicycle Co. All-Road 1x12 Speed |
|---|---|
| Crank | 40t Direct Mount Chainring |
| Cassette | 11-46t (11-50t Upgrade Available) |
| Brakes | Cable-Actuated Hydraulic Disc, 160mm Rotors |
| Handlebar | Updated Gravel Bar with 33° Flare |
| Cable Routing | Semi-Internal, Dropper Post Ready |
Dimensions & Sizing
| Rider Height | Recommended Size |
|---|---|
| 5'1" – 5'6" | XS |
| 5'5" – 5'10" | S |
| 5'9" – 6'2" | M |
| 6'1" – 6'5" | L |
Performance Ratings
Belcopia Rating
93%
The 4130 All-Road is the definition of a "quiver killer." It offers the undeniable ride quality of steel with modern touches like UDH and hydraulic braking at a price point that is hard to beat. While it may be heavier than carbon competitors, its durability and versatility make it a top choice for adventure riders.