State Bicycle Co. 4130 Trail Mountain Bike in Sagebrush Green, drive side profile
Front wheel of the Sagebrush Green 4130 Trail with the RockShox Psylo Silver RC fork lower, Tektro caliper and WTB Trailboss tire
4130 Trail Mountain Bike Sagebrush Green, drive side three quarter view
Rear wheel of the Sagebrush Green 4130 Trail with the 11 to 46T cassette and MicroShift rear derailleur
Bottom bracket junction of the Sagebrush Green 4130 Trail with the State 32T narrow wide chainring
Head on view of the Sagebrush Green 4130 Trail showing the 770mm low rise handlebar and the RockShox Psylo fork
Rear triangle of the Sagebrush Green 4130 Trail from behind, showing tire clearance between the seat stays
Seat tube and head tube of the Sagebrush Green 4130 Trail with the State logo, against a corten steel wall
4130 Trail Mountain Bike Sagebrush Green, front three quarter view
State Bicycle Co. 4130 Trail Mountain Bike in Sagebrush Green, drive side profile
Front wheel of the Sagebrush Green 4130 Trail with the RockShox Psylo Silver RC fork lower, Tektro caliper and WTB Trailboss tire
4130 Trail Mountain Bike Sagebrush Green, drive side three quarter view
Rear wheel of the Sagebrush Green 4130 Trail with the 11 to 46T cassette and MicroShift rear derailleur
Bottom bracket junction of the Sagebrush Green 4130 Trail with the State 32T narrow wide chainring
Head on view of the Sagebrush Green 4130 Trail showing the 770mm low rise handlebar and the RockShox Psylo fork
Rear triangle of the Sagebrush Green 4130 Trail from behind, showing tire clearance between the seat stays
Seat tube and head tube of the Sagebrush Green 4130 Trail with the State logo, against a corten steel wall
4130 Trail Mountain Bike Sagebrush Green, front three quarter view
State Bicycle Co.

State Bicycle Co. 4130 Trail Mountain Bike Sagebrush Green | 4130 Chromoly 11-Speed Hardtail

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Every State bike can come back within 30 days of purchase. It needs to be like new, unridden, and in its original packaging.

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Call before you order and we will walk you through the fit chart. It is the question we get asked most.

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Full Manufacturer Backing: State Bicycle Co.
Every bike we sell carries State Bicycle Co.’s own Limited Warranty against manufacturing defects, from the date you receive it. It covers the original purchaser and is not transferable.

Standard coverage, on every bike:

  • 5 years, frame and fork: steel, aluminium and titanium frames and forks.
  • 1 year, carbon frame and fork: extended to 2 years under ProBuild, below.
  • 1 year, components: non-consumable parts — crankset, pedals, bars, stem, seatpost, wheels, hubs and carbon forks.
  • 18 months, eBike system: motor, electronics and battery.

ProBuild: optional, free, and worth doing
ProBuild is not something you buy and it is not required for your warranty to be valid. It is an upgraded tier State unlocks when any professional bike shop assembles the bike and you register it with State within 30 days of delivery. Your local shop counts.

  • Carbon frames and forks go from 1 year to 2 years.
  • Priority claim review, ahead of unregistered bikes.
  • Free or discounted shipping on approved warranty parts.
  • Discounted replacement pricing for up to 5 years, even when the damage is a crash rather than a defect.

What is not covered
Normal wear and tear on any bike: tires, tubes, chains, brake pads, grips, bar tape, saddles, spokes, and paint or cosmetic finish. Nor is crash and impact damage, improper assembly or adjustment, lack of maintenance, modifications, or incompatible parts. Shop labour is the rider’s responsibility under either tier. RAW finish steel frames are not covered against rust — that is the finish behaving as intended.

Hassle-free registration
Don’t sweat the paperwork. Email your proof of assembly and order details to support@belcopia.com and our team will handle the registration with State for you, so the ProBuild tier is active before you need it. You will need your serial number, which is engraved on the underside of the bottom bracket shell.

FrameDouble butted 4130 chromoly steel with a UDH dropout and a 73mm threaded bottom bracket.
GearingMicroShift XLE 1x11, a 32T ring with an 11 to 46T cassette.
TiresWTB Trailboss TCS, 29 x 2.4 inch, tubeless ready.
BrakesTektro HD-M275 hydraulic disc, 180mm rotors front and rear.
Weight32 lb 3 oz on an XS/S, up to 32 lb 11 oz on an XL. Complete bike.
CompareFit & sizeSpecificationWhat's in the Box

Fit

Find your size

Sizes overlap on purpose. Between two, the smaller is the more playful bike and the larger is the more stable one at speed. Every size shares a 426.5mm chain stay, a 65 degree head angle and a 44mm fork offset, so the handling stays consistent across the range.

Geometry
4130 Trail Sagebrush Green

4130 Trail Sagebrush Green Overview

The State Bicycle Co. 4130 Trail in Sagebrush Green is the MicroShift build of State's chromoly hardtail. Frame, fork, brakes, wheels, tires, bar and geometry are identical to the Raw Phosphate 12 speed: a 65 degree head angle, 130mm of RockShox Psylo travel on 35mm stanchions, and Tektro hydraulics on 180mm rotors.

What changes is the drivetrain. This one runs a MicroShift XLE XPress Plus shifter with an Active Motion RD+ clutch derailleur, a Sunshine 11 to 46T cassette and a KMC X11 chain. Eleven gears instead of twelve, and 418 percent of range instead of 454. The clutch is the part that matters off road: it holds chain tension over rough ground so the chain stops slapping the stay and stops dropping off the ring.

Pick this one if you would rather have a cheaper chain and cassette to replace and do not need the 50 tooth bail out gear. Pick the 12 speed if you climb steep and loose, or you want Shimano parts availability.

Standards you can build on

Every interface on this bike is a current standard. A universal derailleur hanger, a 73mm BSA threaded bottom bracket, a 31.6mm seat tube with internal routing, Boost 110 and 148mm hub spacing, and a 35mm bar clamp. Nothing here is proprietary, so the upgrade path is open and a replacement part is a part any shop already stocks.

Questions before buying? Call 718.808.6415, Monday to Friday.

DOUBLE BUTTED CHROMOLY, AND A UDH

The frame is double butted 4130 chromoly. Thicker at the welds where the load goes, thinner in the middle of the tube where it does not, which is how a steel frame stays strong without turning into a girder. Steel also bends rather than cracks, so a rock strike that would write off a light aluminium frame usually just leaves a mark.

The dropout is a Universal Derailleur Hanger, the same part on this bike as on a few hundred other current frames, so a bent hanger is a shelf item rather than a special order. The bottom bracket is a 73mm BSA thread, which does not creak and unscrews with a tool every shop owns, and the seat tube is 31.6mm with dropper routing already run through the frame.

Bottom bracket junction of the Sagebrush Green 4130 Trail with the State 32T narrow wide chainringState Bicycle Co. 4130 Trail Mountain Bike in Sagebrush Green, drive side profile

130MM OF ROCKSHOX PSYLO

The fork is where cheap hardtails are usually cheap. A coil spring, 30mm legs and a damper that is really just a hole. Sagebrush Green gets the same RockShox Psylo Silver RC as the 12 speed: 130mm of travel on 35mm upper tubes, the diameter that stops the front end flexing when you brake hard into a rocky corner.

Inside it is a Solo Air spring you set with a shock pump to your own weight, and a Motion Control damper with an external compression adjuster. The steerer ships uncut so a shop can set your bar height before trimming it. Axle to crown is 550mm with a 44mm offset, on a 65 degree head angle.

Front wheel of the Sagebrush Green 4130 Trail with the RockShox Psylo Silver RC fork lower, Tektro caliper and WTB Trailboss tire4130 Trail Mountain Bike Sagebrush Green, drive side three quarter view
MicroShift XLE 1x11

MicroShift XLE 1x11

An XPress Plus shifter and an Active Motion RD+ clutch derailleur on an 11 to 46T cassette. The clutch is what stops chain slap off road.

770mm Low Rise Bar

770mm Low Rise Bar

A 35mm clamp, 12mm rise and 20mm of backsweep on a short forged stem. Wide enough to steer with.

Room For 2.6 Inch

Room For 2.6 Inch

The frame clears a 29 inch tire up to 2.6 inches, or a 27.5 up to 3.0. It ships on 29 x 2.4 inch.

Frame Double butted 4130 chromoly steel, UDH dropout, Boost 148mm thru axle, internal dropper routing
Fork RockShox Psylo Silver RC, 130mm travel, 35mm stanchions, Solo Air with Motion Control damper, 550mm axle to crown
Headset SBC 1 1/8 inch, 44 x 39.8mm, 44mm steel, sealed bearing
Bottom Bracket 73mm BSA threaded, 29mm diameter
Crankset SBC 32T narrow wide, 29mm DUB spindle, direct mount
Cassette Sunshine MTB-CS-HR, 11 to 46T, 11 speed
Chain KMC X11, 11 speed
Shifter MicroShift XLE XPress Plus, 11 speed
Rear Derailleur MicroShift Active Motion RD+ with clutch, direct cable pull, 46T max
Brakes Tektro HD-M275 hydraulic disc, 2 piston, 180mm rotors front and rear
Rims WTB i30 TCS 29 inch tubeless ready, 32h, tubeless valves included
Spokes Stainless steel, 14 gauge
Hubs Sealed bearing, Boost 15 x 110mm front / 12 x 148mm rear
Tires WTB Trailboss TCS, 29 x 2.4 inch, tubeless ready
Handlebar SBC low rise alloy, 770mm width, 35mm clamp, 12mm rise, 20mm backsweep
Stem SBC 3D forged alloy, 35mm clamp
Seatpost SBC 31.6mm x 350mm
Saddle Polyurethane with steel rails
Pedals Not included
Max Tire Clearance Frame 29 x 2.6 inch or 27.5 x 3.0 inch, fork 29 x 2.6 inch
Weight 32 lb 3 oz (XS/S) to 32 lb 11 oz (XL), complete bike
— Frame geometry — XS/S / S/M / M/L / XL
Chain Stay 426.5mm / 426.5mm / 426.5mm / 426.5mm
Fork Offset 44mm / 44mm / 44mm / 44mm
Head Tube 100mm / 110mm / 120mm / 130mm
Head Tube Angle 65° / 65° / 65° / 65°
Seat Tube 380mm / 405mm / 430mm / 460mm
Seat Tube Angle 74.5° / 74.4° / 74.4° / 74.4°
Top Tube (Effective) 594.7mm / 622.6mm / 645.5mm / 673.3mm
— Rider height — 5'1" - 5'5" / 5'5" - 5'10" / 5'10" - 6'1" / 6'1" - 6'5"

WHAT'S IN THE BOX

4130 Trail Complete Bike

Ships partially unassembled. It needs the crank and front wheel fitted, the fork set up and the steerer cut to your height, plus derailleur indexing. State recommends professional assembly and so do we.

Tubeless Valves

The WTB i30 rims and Trailboss tires are both tubeless ready and the valves are in the box. Sealant is not included.

Belcopia Support

We are an authorized State Bicycle Co. dealer, so every bike is backed by State’s own warranty. Questions before or after the sale, call 718.808.6415, Monday to Friday.

Questions before buying

What is different between the Sagebrush Green and the Raw Phosphate?

The drivetrain and the colour, nothing else. Sagebrush Green runs a MicroShift XLE 1x11 with an 11 to 46T cassette. Raw Phosphate runs a Shimano Deore 1x12 with an 11 to 50T. Frame, fork, brakes, wheels, tires, bar, stem and geometry are the same on both, and so is the price.

What size 4130 Trail should I get?

State lists the XS/S for riders 5 foot 1 to 5 foot 5, the S/M for 5 foot 5 to 5 foot 10, the M/L for 5 foot 10 to 6 foot 1, and the XL for 6 foot 1 to 6 foot 5. Sizes overlap on purpose. Between two, the smaller is the more playful bike and the larger is the more stable one at speed.

Is eleven speeds enough?

The 11 to 46T cassette against the 32T ring gives 418 percent of range, with a low gear of 0.70 to 1. That covers most climbing. The 12 speed build's 11 to 50T gives 454 percent and a 0.64 to 1 low gear, which is the one to have if you ride steep and loose regularly.

What does the clutch on the derailleur do?

It adds friction to the derailleur cage so the chain stays under tension over rough ground. Without one the chain slaps the chain stay and can bounce off the chainring. The MicroShift Active Motion RD+ has one, and the 32T narrow wide ring helps hold the chain as well.

Can I fit a dropper post?

Yes. The seat tube is 31.6mm with internal routing already in the frame, so a cabled dropper routes through it and a wireless post needs no routing at all. State sizes dropper travel by frame: 125mm on an XS/S, 150mm on an S/M and M/L, and 175mm on an XL.

How much does it weigh?

State lists complete bike weights of 32 lb 3 oz on an XS/S, 32 lb 4 oz on an S/M, 32 lb 8 oz on an M/L and 32 lb 11 oz on an XL, the same as the 12 speed build.

4130 Trail on video

First Look: 4130 Trail Mountain Bike

State Bicycle Co.

State's first look film covers the 4130 Trail platform

Complete Your Ride

State Bicycle All-Road hydraulic disc brake set for flat bars — flat lay showing front and rear levers, calipers, and hydraulic lines
State Bicycle Co. - All-Road Hydraulic Disc Brake Set (For Flat Bars)
$89.99
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
Fizik Terra Argo X7 gravel saddle 150mm in black, three-quarter top view showing short-nose design and center cutout
Fizik Terra Argo X7 Saddle – 150mm
$89.99
State Bicycle Co. All-Road road saddle in black with narrow profile and chrome steel rails
All-Road Saddle
$34.99

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