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Description
udh gravel bike 4130 All-Road - Root Beer (12 Speed / UDH) Extra Small ( Riders 5'1" - 5'6")The 4130 All Road is built for riders who want to do everything gravel races, bikepacking missions, commutes, trail days without buying multiple bikes or compromising on any of them. A fully revamped 4130 Chromoly Steel frame with UDH compatibility, dropper post readiness, semi internal cable routing, and mounts for bottles, racks, fenders, and accessories gives you a platform that can be set up for almost anything. Platform Highlights 4130 Chromoly
The 4130 All-Road is built for riders who want to do everything — gravel races, bikepacking missions, commutes, trail days — without buying multiple bikes or compromising on any of them. A fully revamped 4130 Chromoly Steel frame with UDH compatibility, dropper-post readiness, semi-internal cable routing, and mounts for bottles, racks, fenders, and accessories gives you a platform that can be set up for almost anything.
Platform Highlights
- 4130 Chromoly Steel Frame — Tough, repairable, and with a ride quality that carbon can't replicate. Built for the long haul.
- UDH-Compatible — Universal Derailleur Hanger means no hunting for proprietary parts anywhere in the world.
- Dropper Post Ready — Internal routing already in place. Add a dropper whenever you're ready.
- Semi-Internal Cable Routing — Cleaner than fully external, easier to service than fully internal.
-
Tire Clearance — Plenty of room for real-world rubber in any configuration:
- Frame & Standard Fork: 700c x 55mm (2.2") or 650b x 60mm (2.4")
- Frame & Monster Fork (Carbon): 700c x 55mm (2.2") or 650b x 55mm (2.2")
- Mounts for Everything — 3 water bottle mounts plus rack, fender, and accessory mounts. Pack it up or strip it down.
Build & Customize
Wheelset — choose your build
700c — Fast & Versatile
- 23mm tubeless-capable rims (tape, valves, and sealant required)
- Continental Terra Hardpack TR 50mm
- Best for: gravel racing, mixed-surface riding, fast days out
650b — Capable & Comfortable
- 25mm tubeless-capable rims (tape, valves, and sealant required)
- Vittoria Barzo 2.1" knobby tires
- More volume, more grip, more trail capability
- Best for: bikepacking, rough terrain, off-road days
💡 Want both? Add the dual wheelset option — wheels, tires, tubes, rotors, and cassette — for $299.99. Swap between setups in minutes.
The 700c tire: one of the fastest-rolling 50mm gravel tires you can buy.
The Continental Terra Hardpack TR 50 scored 18.6 watts rolling resistance in independent lab testing at BicycleRollingResistance.com — earning a 4.5/5 "Highly Recommended" rating and putting it among the fastest gravel tires at this width. A flat central tread keeps things quick on pavement and hard-pack, while developed shoulder lugs and Continental's ShieldWall puncture protection handle the rough stuff. PureGrip compound means grip and durability don't get traded off against each other. At 50mm, this tire smooths out terrain that would rattle a narrower setup — without giving up speed.
Fork — choose your setup
4130 Chromoly Steel Fork
- Matched to the frame — same ride character
- 12x100mm thru-axle
- Mounting points for racks and accessories
Carbon Fiber "Monster Fork"
- Saves over 1.25 lbs vs steel fork
- Geometry-altering flip-chip for fit adjustment
- Improved comfort and front-end stiffness
All-Road Suspension Fork
- 40mm travel — takes the edge off rough terrain
- Noticeably smoother on chunky gravel and trails
- Regular MSRP $450
Complete Component Spec
Frame
- 4130 Chromoly Steel with Thru-Axle Dropouts (142mm rear spacing)
- UDH-Compatible derailleur hanger
- Semi-Internal Cable Routing
- Dropper Post Ready
- Mounts for 3 water bottles, racks, fenders, and accessories
Drivetrain
- 12-Speed State Bicycle Co. drivetrain
- Crank: 40t Direct Mount Chainring
- Cassette: 11–46t (upgrade to 11–50t available for $69.99)
Cockpit & Brakes
- Gravel handlebar with 33° flare
- Cable-Actuated Hydraulic Disc Brakes with compressionless housing
- Note: SRAM drivetrain upgrades include full hydraulic brakes
Rims
- 700c: 23mm tubeless-capable (tape, valves, and sealant required)
- 650b: 25mm tubeless-capable (tape, valves, and sealant required)
Tires
- 700c: Continental Terra Hardpack TR 50mm — tubeless ready
- 650b: Vittoria Barzo 2.1" — not tubeless rated
⚠️ Please note: the Vittoria Barzo tires (650b) are not rated tubeless. While it may be possible to set these up tubeless, we cannot guarantee compatibility. State Bicycle Co. recommends professional assembly for tubeless setups.
Available Upgrades
Drivetrain
SRAM Rival XPLR AXS — Wireless 13-Speed
- Rival E1 carbon levers & hydraulic brakes
- Rival XPLR rear derailleur
- Rival 10–46t 13-speed cassette
- SRAM Flat-Top chain
- Battery & charger included
- Apex D1 - 170mm Crank - 40t
- Best for: riders who want a wider range and more refined components for longer days in the saddle
SRAM Eagle Transmission "Mullet" AXS — Wireless 12-Speed
- Rival E1 carbon levers & hydraulic brakes
- S1000 T-Type rear derailleur
- Eagle 10–52t cassette (XS1270) — massive range
- Eagle T-Type chain
- Battery & charger included
- Apex D1 - 170mm Crank - 40t
- Best for: big mountain days, loaded bikepacking, or anyone who wants to spin up anything
Wheels
Dual Wheelset (700c + 650b)
- Both wheel sizes and tire setups
- Rotors, cassette, and tubes included
- Swap between setups in minutes
DT Swiss Alloy Wheelset
- Available in 650b or 700c
- A meaningful step up in stiffness, weight, and hub quality
Top Upgrade ENVE AR40 Carbon Wheelset
- Wind tunnel-tested aerodynamics
- 25mm internal rim width — wide and fast
- Gravel-rated durability, tubeless only (sealant included)
- Available in HG and XDR driver
- The fastest wheel upgrade available for this build
Size Recommendations
| Size | Height Range |
|---|---|
| XS | 5'1" – 5'6" |
| S | 5'5" – 5'10" |
| M | 5'9" – 6'2" |
| L | 6'1" – 6'5" |
Want to get technical? Full Geo / Specs here.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1207 reviews
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Product Reviews
★★★★★ 5
It works to divide a room, but it's not easy to use.
Color: Grey, Size: 6 Panel
This comes in multiple pieces and you have to build every single piece including the cloth that is between the two poles. There are plastic clips to hold the sections together, but they easily come off if you move the dividers the wrong way or try to reposition it. The only thing holding it up is rectangular shaped feet on the bottom and they are a pain when you hit it with your toes. It works if you need to divide a room, but its not pretty and there are far better options. It's cheaply made and has a habit of falling down if you are trying to use it in a straight or slightly angled line.
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Reviewed in the United States on December 26, 2022
★★★★★ 4
Nice divider
Color: Black, Size: 6 Panel
Nice divider. Set up is a bear. I am a bit concerned with stability. Overall I like it.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Great privacy room divider
Color: Black, Size: 6 Panel, Color: Black, Size: 6 Panel
I got this room divider for our game room that shares the garage/laundry room, to separate the spaces. I was happy that it was relatively easy to put together in less than an hour with nothing more than a screwdriver (provided) although I used a small handheld drill.
The instructions were pretty straightforward and easy to understand as everything was labeled.
I have 2 small grandkids at home running around while I put this together so my timeline to completion might be longer than others.
It recommends 2 people to assemble, but I was able to complete alone in about 40 minutes total and as I said I used a small handheld drill, (although it does come with a small Philips screwdriver) which is the only tool you need for assembly.
The first two panels took me about 20 minutes but the other 4 were simple repeats after the initial 2. After all 6 panels were assembled the plastic clips to piece them together were literally a "SNAP" to put on.
The poles are made of metal and the panels are made of a very sturdy almost canvas like fabric. When held up to the light not a lot shined through so very good for privacy.
You can snap them together in sections and have 2 separate panels of 3 or what ever configuration you want. They are easy to move and bend around furniture or other obstacles, also fold flat together if you need to put them aside for storage.
This worked out just as we had planned, very easy to move around when needed and I am very happy with this product. I loved how simple it was to put together, easy instructions, and the durability and functionality of it.
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Reviewed in the United States on December 29, 2024
★★★★★ 5
Good
Color: Black, Size: 6 Panel
Love it , just what so needed , easy to put together (some what ) …
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Reviewed in the United States on May 16, 2026
★★★★★ 3
Decent for the price. Instructions suck but most people should be able to figure it out. More below.
Color: Black, Size: 6 Panel, Color: Black, Size: 6 Panel
SUMMARY:
3 stars from me because it's firmly average. It's fine for the price. Assembly and materials are alright but I can see some caveats depending on your circumstances. Assembly instructions do a subpar job of pointing out some details.
ASSEMBLY INSTRUCTIONS:
Maybe it's because I'm autistic and/or building model kits and assembling stuff is my jam, but I honestly thought people were exaggerating when they were complaining about the instructions and I'd be able to flex my ~superior assembly skills.~ I was wrong! These instructions genuinely suck, and whoever is responsible for making them should be ashamed.
The instructions do a poor job of calling out some details regarding orientation of parts, and some of the images do not actually match the physical parts.
For example, it does not really outline the assembly of the end panels clearly, and I can see someone accidentally using the wrong poles. I've drawn over a photo to show what you should do to try and make it clearer. Additionally, the manual shows a flathead screw for bolting the feet into position, but the actual screw is not a flathead. It also does not point out the counterbore, so if you aren't paying attention you may put the foot pads onto the wrong side of the foot. It's also missing the fact that you need to use another one of the plastic pieces when you finish assembling a panel.
ACTUAL ASSEMBLY & MATERIALS:
To their credit, all of my bags were clearly labeled. The assembly process wasn't difficult. It's mostly just tedious and requires a fair amount of space. I was able to assemble it by myself without any real difficulty. However, the way it's assembled means two things.
One, the fabric parts aren't removable without disassembly. So if you want to use this in an environment where they would require cleaning, I would seriously recommend looking for another option. Or, you could buy this just to use the frame pieces and then somehow buy or make your own fabric pieces designed to be removable with velcro or something.
Two, because of the materials I really don't have a lot of faith in this thing surviving disassembly and reassembly. Like a lot of sorta-cheap-but-convenient furniture, it uses those spring-button connections and plastic inserts with self-tapping screws. Those things are not really meant to be disassembled and rethreaded. It also relies a lot on the tension of the poles and the fabric to keep everything rigid and squared, which I think puts a lot of pressure on the aforementioned buttons, plastic inserts, and the hollow metal rods. So I feel like that will also cause issues with disassembly and reassembly.
Basically once this thing is assembled, it's not really meant to be disassembled. The best you can do is spot-clean the fabric if you need to.
Speaking of the fabric, I didn't see any labels on them or anything in the manual that says what they are, but they feel like some kind of polyester. They generate static electricity pretty easily, and pet hair and debris sticks easily. So that's another downside of them not being easily removable.
For the most part it does seem pretty stable. The poles seem to be pretty uniform in length so they're all making contact with my floor. Obviously this isn't structural so it shouldn't be supporting anything, but the two main feet seem to be doing fine with keeping this thing upright.
CLOSING THOUGHTS:
Really, it's fine for what it is, but it could be better in a lot of little ways and the substandard quality of the instructions just seems unprofessional to me, which is why I'm being so harsh with my rating. Depending on your needs and environment you may want to consider a different option. Preferably one that is made to be disassembled with better materials, and/or one with fabric pieces made to be removed easily.
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Reviewed in the United States on May 28, 2023