State Bicycle Co. NFL Collection Core-Line in Seattle Seahawks colors, a navy and grey single speed fixed gear bike, drive side profile
State NFL Collection Core-Line Seattle Seahawks single speed bike, front three quarter view with chrome rims
State Core-Line fixed gear bike in Seattle Seahawks navy and grey, rear three quarter view
State NFL Core-Line Seattle Seahawks fixed gear bike seen head on with riser bars
Navy and grey frame, SEAHAWKS top tube lettering and 44T chainring of the State Core-Line single speed
Seattle Seahawks top tube graphics, crank and chain of the State NFL Core-Line fixed gear bike
SEATTLE SEAHAWKS lettering and green pinstripe on the grey top tube of the State Core-Line
Riser bars, brake levers and Seahawks head tube badge on the State NFL Collection Core-Line

State Bicycle Co. NFL Collection Core-Line, Seattle Seahawks | Single Speed & Fixed Gear Bike

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Regular price $499.99 Sale price$375.00 Save $124.99
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30 days to decide

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

Not sure on size?

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

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Belcopia is committed to deliver the product in perfect condition at the address indicated by the customer in the checkout page. In order to optimize delivery, we thank the customer for indicating an address in which the order can be delivered within normal business hours.

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Your money means nothing to us if you are unhappy with your purchase with us. Customer satisfaction with our products is important to us, which is why we do returns and refunds, if the customer is not satisfied with our products. Simply send us an email, contact us on live chat, or if it can’t wait, call us and we’ll make things right.

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Give us a call at (718) 808-6415, or email: support@belcopia.com.

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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.

FrameHi tensile steel frame and fork with a five year warranty and rack mounts.
Gearing44x16 on a flip flop hub. A 16T freewheel and a fixed cog are both in the box.
Tires700 x 28c on chrome deep V rims with 40mm high flange, sealed bearing hubs.
BrakesDual pivot forged alloy calipers, front and rear, fitted before it ships.
SizesThree sizes, 50 to 58cm, for riders 5'4" to 6'2".

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 405mm chain stay, a 45mm fork offset, a 50mm bottom bracket drop and a 170mm crank, so the handling stays the same across the range.

Geometry
Core-Line

Core-Line Overview

The State Bicycle Co. NFL Collection Core-Line in Seattle Seahawks colors is State's Core-Line single speed and fixed gear bike in officially licensed NFL throwback graphics: a navy frame with a grey top tube, head tube and fork, SEATTLE SEAHAWKS lettering on the top tube and a navy and green pinstripe. It is a limited edition at $499.99, and State list it at 24 lb 8 oz in a 54cm.

Underneath it is the Core-Line: a steel frame with rack mounts and cable stops, geared 44x16 on a sealed bearing flip flop hub with both a fixed cog and a 16T freewheel, riser bars, front and rear hand brakes, platform pedals and a synthetic leather saddle. The NFL build rolls on chrome deep V wheels with 40mm high flange hubs and a chrome finishing kit.

Want the regular Core-Line colors, bullhorn or drop bars, or a 46cm frame? The Core-Line starts at $449.99 in four sizes. Skip either if you want gears, discs or a chromoly frame.

Standards you can build on

Every interface on this bike is an established size. 27.2mm seatpost, 68mm English threaded bottom bracket, a 130 BCD chainring, 100mm front and 120mm rear spacing, and a flip flop hub threaded for a standard freewheel. State back the frame and fork with a five year warranty.

Questions before buying? Call or text 718.808.6415, Monday to Friday.

OFFICIAL SEAHAWKS THROWBACK GRAPHICS

State finish the NFL Collection in officially licensed team graphics inspired by vintage uniforms. The Seahawks bike pairs a navy frame with a grey top tube, head tube and fork, with SEATTLE SEAHAWKS on the top tube and a thin navy and green pinstripe running through the tubes.

The team badge sits on the head tube, and the chrome deep V rims, chrome finishing kit and silver riser bars keep the look old school. It is a limited edition series, so when a team's run sells through at State, it is gone.

SEATTLE SEAHAWKS lettering and green pinstripe on the grey top tube of the State Core-LineRiser bars, brake levers and Seahawks head tube badge on the State NFL Collection Core-Line

ONE GEAR, FIXED OR FREE

It is geared 44x16 on a sealed bearing flip flop hub, with a fixed cog on one side and a 16T freewheel on the other. Ride it fixed, or flip the rear wheel around and coast. The frame has horizontal dropouts, so chain tension is set without a derailleur.

Front and rear hand brakes come fitted, the riser bar keeps you upright in traffic, and the frame carries rack mounts and cable stops, so a rack bolts on rather than clamping around a tube. It is built for city streets, neighborhood laps and the ride home after the game.

Seattle Seahawks top tube graphics, crank and chain of the State NFL Core-Line fixed gear bikeNavy and grey frame, SEAHAWKS top tube lettering and 44T chainring of the State Core-Line single speed
Frame Hi tensile steel with seat stay rack mounts, fork eyelet mounts and cable stops. Five year frame and fork warranty
Graphics Officially licensed NFL throwback graphics, Seattle Seahawks, with a chrome finishing kit
Fork Hi tensile steel, 1 1/8 inch threadless steerer, 402mm length, 45mm offset
Dropouts Horizontal with integrated chain tensioners
Headset 1 1/8 inch threadless
Bottom Bracket Sealed cartridge, JIS square taper, English threaded, 68mm x 103mm
Crankset Forged 6061 aluminium, 170mm arms on every size
Chainring 44T, 130 BCD
Gearing 44 x 16
Cog 16T freewheel and a fixed cog, both included
Chain YAB
Hubs Sealed bearing flip flop, 40mm high flange, 100mm front / 120mm rear
Brakes Dual pivot forged alloy calipers front and rear, 23.8mm lever clamp, fitted before the bike ships
Wheels 700c chrome deep V rims
Spokes 14 gauge steel, 3 cross, 269mm
Tires 700 x 28c standard. State note some riders fit up to 32c depending on the tire brand
Handlebar Riser bars with grips
Stem Steel, 25.4mm clamp, 90mm length, plus or minus 7 degrees
Seatpost Alloy, 27.2mm x 220mm
Seatpost Clamp Aluminium, 29.5mm
Saddle Synthetic leather with steel rails
Pedals Platform pedals, included
Weight State list 24 lb 8 oz for a 54cm
— Frame geometry — 50cm / 54cm / 58cm
Chain Stay 405mm / 405mm / 405mm
Fork Offset 45mm / 45mm / 45mm
Head Tube 105mm / 105mm / 135mm
Head Tube Angle 72° / 71° / 73°
Seat Tube 500mm / 540mm / 580mm
Seat Tube Angle 74° / 73° / 73°
Top Tube (Effective) 522mm / 538mm / 555mm
— Rider height — 5'4" - 5'7" / 5'7" - 5'11" / 5'11" - 6'2"

WHAT'S IN THE BOX

NFL Core-Line Complete Bike

Ships partially assembled. Attach the front wheel, handlebars and seatpost, then set your saddle height. Budget about 30 minutes with basic tools.

Freewheel, Cog And Pedals Included

The flip flop hub ships with both a 16T freewheel and a fixed cog, platform pedals are in the box, and the front and rear brakes come fitted.

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 or text 718.808.6415, Monday to Friday.

Questions before buying

Does it come with a freewheel, or only a fixed cog?

Both. State ship a 16T freewheel and a fixed cog, one on each side of the flip flop hub. Ride it fixed, or flip the rear wheel around to coast. Platform pedals are included and the front and rear brakes come fitted.

Is it the same bike as the regular State Core-Line?

Underneath, yes: the same steel Core-Line platform, the same 44x16 flip flop hub and brakes front and rear. The NFL build adds officially licensed Seahawks throwback graphics, chrome deep V wheels and a chrome finishing kit, comes with riser bars only, in three sizes from 50cm, at $499.99 against $449.99 for the Core-Line.

Is the Core-Line frame 4130 chromoly?

No. The Core-Line is State's steel single speed platform and the reason it costs less than the 4130. If you want chromoly, that is the State 4130 single speed.

Can I fit a rack?

Yes. State build the frame with rack mounts and cable stops, so a rack bolts on rather than clamping around a tube.

What is the widest tire that fits?

It ships on 700 x 28c tires. State note that some riders have fitted up to 32c, depending on the tire brand. This is a road width bike, not a gravel one.

What size State NFL Core-Line should I get?

State build three sizes: 50cm for riders 5'4" to 5'7", 54cm for 5'7" to 5'11" and 58cm for 5'11" to 6'2". Between two, the smaller rides more upright and the larger stretches you out. If you are under 5'4", the regular Core-Line comes in a 46cm.

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