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state bicycle co|SKU:796201649482

4130 Chromoly Steel Frame Set — Matte Olive Fixed Gear Platform

Built-to-Perform Chromoly for the All-Rounder Build

Chromoly steel construction — Double-butted for strength-to-weight ratio
Up to 45c tire available — Redesigned geometry fits wider rubber
Integrated chain tensioners — No aftermarket parts needed
Rack and bottle mounts — Fork and seat stay mounting points
Six size options — Fits riders from 5'3" to 6'7"
  • Free Shipping -- Ships free with no hidden freight charges
  • Free Price Match Guarantee -- Find it cheaper from an authorized dealer, we match it
  • Free Expert Consultation -- Talk to a real expert before you buy

$295.00

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4130 Steel - Fixed Gear / Single-Speed - Frame Set - Matte Olive
4130 Steel - Fixed Gear / Single-Speed - Frame Set - Matte Olive
$295.00

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Ships in 3–5 Days Heavy-duty crating included.
4.9/5 Stars 2,400+ verified reviews.

In the box

  • 4130 Chromoly Steel Frame
  • 4130 Chromoly Fork
  • 1 1/8" Threadless Headset
  • Seatpost Clamp
4130 Steel - Fixed Gear / Single-Speed - Frame Set - Matte Olive
4130 Chromoly Steel Frame Set — Matte Olive Fixed Gear Platform
$295.00

Built-to-Perform Chromoly for the All-Rounder Build

This 4130 Steel Frame Set delivers the kind of craftsmanship that belongs in any serious rider's garage. Double-butted chromoly steel maximizes strength without adding unnecessary weight, while the redesigned geometry opens up larger tire available and adds rack mounts for real utility. We vetted this frame because it's built-to-perform whether you're commuting daily or heading off-grid for the weekend. Includes seatpost clamp and 1 1/8" threadless headset — ready for your build.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
4130 Chromoly Steel
Horizontal Dropouts
Rack Mount Ready
2 Bottle Cage Mounts
6
Frame Sizes Available
45c
Max Tire available
7 lb 4 oz
Frame Weight (Size 55)
Vetted by Riders, Not Big-Box Shelf Stockers

Vetted by Riders, Not Big-Box Shelf Stockers

When you shop for a frame set at a generic online marketplace, you're gambling on reviews that might not even be for the right product. Volt Trek is different — we test what we sell, and if we wouldn't build on it, we don't list it. This 4130 chromoly frame earned its place through real field-tested miles, not a marketing sheet. The double-butted construction and TIG-welded joints speak to a level of craftsmanship that big-box stores simply don't carry. From the wishbone rear end to the horizontal dropouts, every detail is built-to-perform for riders who take their garage builds seriously.

One Frame, Every Surface You Ride

One Frame, Every Surface You Ride

The redesigned geometry opens up tire available up to 45c, with some riders fitting 50c-plus depending on wheel and tire choice. That means this fixed gear frame set isn't locked to smooth pavement — it handles gravel paths, rough city streets, and commuter routes with equal composure. Fork and seat stay rack mounts turn it into a legitimate daily hauler. Two water bottle cage mounts keep you hydrated on longer rides. This is the all-rounder that a Garage Architect reaches for when one bike needs to do it all without compromise.

Six Sizes, No Guesswork on Fit

Six Sizes, No Guesswork on Fit

Finding the right frame size online usually means cross-referencing three different brand charts and hoping for the best. Volt Trek gives you six clear options mapped directly to rider height — from 46 cm for riders 5'3" to 5'6" all the way up to 62 cm for riders 6'2" to 6'7". The 55 cm size pictured hits the sweet spot for most average-height adults. Horizontal dropouts with integrated chain tensioners mean you dial in your chainline without buying extra hardware. The included 1 1/8" threadless headset and seatpost clamp mean fewer trips to the hardware store and more time in the garage actually building.

Frame Fit Guide

Select your frame size based on rider height for optimal fit and handling.

  • Rider height falls within the specified range for the selected frame size
  • Build uses 1 1/8" threadless headset standard
  • Tire width does not exceed 45c recommended maximum

Built For

A frame designed to handle whatever your daily ride demands.

Urban Commuting
Weekend Cruising
Custom Fixed Gear Build

Full specifications

At a glance

Dimensions
Riders 5'3"-5'6"
Surface
Matte Olive
Warranty
See product page
Full specifications18 data points across 4 categories

Dimensions

Size 46 cmRiders 5'3"-5'6"
Size 49 cmRiders 5'5"-5'8"
Size 52 cmRiders 5'7"-5'10"
Size 55 cmRiders 5'9"-6'0"
Size 59 cmRiders 5'11"-6'3"
Size 62 cmRiders 6'2"-6'7"
Weight (Size 46)6 lb 14 oz
Weight (Size 49)6 lb 15 oz
Weight (Size 52)7 lb 2 oz
Weight (Size 55)7 lb 4 oz

Power & Performance

Max Recommended Tire Size45c
DropoutsHorizontal Dropouts ft. Integrated Chain-Tensioners
DrivetrainFixed Gear / Single-Speed

Materials

FrameDouble-Butted 4130 Chromoly Steel, TIG Welded w/ "Wishbone" Rear to Accommodate larger tiresets
Fork1 1/8in 4130 Chromoly
FinishMatte Olive

Compliance & Warranty

IncludedSeatpost clamp and headset included
WarrantySee product page

The Volt Trek Promise

We sell what we'd put in our own garage. This frame set is no exception.

Ships FreeFree shipping on your order, no conditions or minimums.
30-Day ReturnsInvest once — if it's not right, send it back on us.
Expert ConsultationTalk to a real expert before you buy — phone, chat, or email.
★★★★★
“Built up a fixed gear on this frame last month and I'm genuinely impressed. The chromoly rides smoother than any aluminum frame I've owned, and the integrated chain tensioners made the build way easier than I expected. Matte olive looks even better in person.”
J
Jake L.Austin, TX

The 4130 Steel Line earned its namesake from the double-butted 4130-grade chromoly steel used on the frame and fork that maximizes strength without making compromises on weight. Now with completely redesigned geometry to accommodate larger tire clearance and equipped with fork and seat stay rack mounts to be the perfect all-rounder.

[FEATURES]

  • FRAME: Double-Butted 4130 Chromoly Steel, TIG Welded w/ “Wishbone” Rear to Accommodate larger tiresets
  • DROPOUTS: Horizontal Dropouts ft. Integrated Chain-Tensioners
  • FORK:  1 1/8in 4130 Chromoly
  • HEADSET: 1 1/8″ Threadless
  • Integrated Chain Tensioners
  • Drilled for 2 Water Bottle Cage

[WEIGHT GUIDE]
[seatpost clamp and headset included]

    • SIZE 46: 6 lb 14 oz
    • SIZE 49: 6 lb 15 oz
    • SIZE 52: 7 lb 2 oz
    • SIZE 55: 7 lb 4 oz
    • SIZE 59: 7 lb 10 oz
    • SIZE 62: 7 lb 14 oz

SIZE: 6 Frame Sizes to fit any Rider Height from 5’3″ to 6’7″ (Size 55 cm Pictured)

Max Recommended Tire Size:  45c (sizes of up to 50c+ have been fitted by riders however fitment varies on wheels used, brand of tires, and other factors)

Additional information

Size

46 cm (Riders 5'3"-5'6"), 49 cm (Riders 5'5"-5'8"), 52 cm (Riders 5'7"-5'10"), 55 cm (Riders 5'9"-6'0"), 59 cm (Riders 5'11"-6'3"), 62 cm (Riders 6'2"-6'7")

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Frequently Asked Questions

This is a frame set only — you get the 4130 chromoly steel frame, matching fork, 1 1/8" threadless headset, and seatpost clamp. Wheels, drivetrain, handlebars, and other components are not included. It's designed for riders who want to spec their own fixed gear or single-speed build from the ground up. If you're unsure where to start, our expert consultation is included with every order.
Volt Trek provides six sizes mapped directly to rider height. The 46 cm fits riders 5'3" to 5'6", 49 cm fits 5'5" to 5'8", 52 cm fits 5'7" to 5'10", 55 cm fits 5'9" to 6'0", 59 cm fits 5'11" to 6'3", and 62 cm fits 6'2" to 6'7". If you fall between sizes, consider your riding style — a smaller frame feels more responsive, while a larger frame offers a more relaxed position. Call us and we'll help you decide.
4130 chromoly steel has a higher strength-to-weight ratio than aluminum at this price point, and it absorbs road vibration better over long rides. Steel also has a much higher fatigue limit — it can handle stress cycles that would eventually crack aluminum. The double-butting removes material where it's not needed, keeping the frame weight between 6 lb 14 oz and roughly 7+ lb depending on size. This is an investment that holds up.
The product listing doesn't specify brake mounts, and this frame set is built around a fixed gear / single-speed configuration. Check the frame and fork for drillings if you plan to run a front or rear brake. Many fixed gear riders rely on the drivetrain for stopping, but if you need braking capability, reach out to our team before ordering and we'll confirm compatibility.
If you find this same 4130 Steel Frame Set listed for less at any MAP-compliant authorized dealer, contact Volt Trek and we'll match that price. No hoops, no runaround. We believe in straightforward pricing that respects your investment — not artificial markups followed by fake promotions. Find a better price, tell us, and we'll take care of it.
Inspect your frame set upon delivery. If anything arrives damaged or defective, contact us within 30 days and we'll arrange a return with free return freight — unused and in original packaging. Volt Trek stands behind every product we ship because we vet what we sell before it ever reaches our warehouse. You're not dealing with a faceless marketplace here.
The max recommended tire size is 45c. Some riders have fitted tires up to 50c-plus, but fitment varies based on the wheels and tire brand you choose. The redesigned wishbone rear end was specifically created to open up that available compared to previous geometry. If you have a specific wheel and tire combo in mind, our team can help you confirm fitment before you build.
SKU: 4130-steel-fixed-gear-single-speed-frame-set-matte-olive Category: Brand:

The Volt Trek Promise

We sell what we'd put in our own garage. This frame set is no exception.

Ships Free Free shipping on your order, no conditions or minimums.
30-Day Returns Invest once — if it's not right, send it back on us.
Expert Consultation Talk to a real expert before you buy — phone, chat, or email.

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