Earthstone - Core-Line
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Earthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-LineEarthstone - Core-Line
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Customer Reviews

Based on 8 reviews
100%
(8)
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J
J. (Indianapolis, US)
Second season cyclist

While my opinion on what’s great, good, fair or junk isn’t exactly credible, I can still use my voice as to what is good for me personally. After a new saddle and some (very slight) thicker tires, this baby rides like a fantasy. And for a little under 500$ ( not counting shipping & tax) it’s well worth it. Future buyers will most definitely want to opt for the bigger tires and more comfortable saddle. I paid a little extra for drop bars and upgraded pedals. Bottom line, this machine kills fascists.

M
Mark G (Chicago, US)
Solid value

I ordered the bike for my daughter who wanted a simple, low maintenance, single speed bike. The stock tires measured 23 mm on the calipers, even though they say 28 mm on the side wall. (stock tires are not the greatest.). I ordered a set of Ritchey Alpine JB’s in 30mm with a tan sidewall. They fit great (with a little room to spare) and look awesome! The other short coming on the bike if I’m being honest is the seat which is hard and cheap, so I ordered a comfort saddle off Amazon those two improvements have made the bike near perfect for her. She loves it!! it’s a solid performer in a great value !

L
Lee Southwell (Washington, US)
Great bike

Perfect, nimble bike for getting around a city

R
RAM2500 (Lawton, US)
Picked up used and is a home run!

I picked up a 2019 model Core line for really really cheap. Sometimes without even trying, I am able to smash my PRs that I made with very expensive carbon fibre bikes like my Roubaix and Domane. I did fit my Core with some drops. I really enjoy riding this bike.

B
Bob C (Harrisburg, US)
WAY nicer than I expected!

My new Earthstone Core-Line looks and feels much better than I expected! Feels super solid and looks sleek & sultry, and I love the red anodized hubs! It received some minor boo-boos during shipping, but the friendly local mechanic fixed the spoke, rim tape and added some lube where needed. Can't wait for the sun to rise so I can get on it again!

M
M.H. (Rockvale, US)
Great deal on a great bike

I scored this bike for under $400 and I couldn’t be more happy. The bike feels like high quality, no issues when shipped as it was secured great. The bike rides smooth and loving the simplicity.

D
D.S. (Denver, US)
coreline fixie

feels super smooth and the stock riser handlebars feel a lot better than expected.

S
SeanCo (Fresno, US)
Fantastic and Comfy Ride

I went on a few short rides (less than a few miles) before giving this new bike a true test by going on a 10.5 mile ride through town. It felt great. It rode great. It looked great. As someone getting back into riding on a consistent basis again, I couldn’t have asked for a better entry level bike. No regrets on this purchase.

Earthstone - Core-Line
Conquer the urban landscape in style with the Earthstone Core-Line Bike

Crafted with a durable steel frame and adorned in a captivating greyish-green hue, this high-gloss earth-toned masterpiece features sleek black components with striking red hubs, making it the ultimate combination of toughness, versatility, and style, all at an unbeatable price under $400.

See What the Experts Have to Say! (Read The Reviews):
6883604824151

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This bike was tested by 9 independent cyclists picked by Bicycling Magazine, read the Field Test report here.

Our Core-Line fixed gear and single speed bicycles are what we're best known for. Built on a durable steel frame with seat stay rack mounts, eyelet mounts on the fork and cable stops, the Core Line models are as stylish as they are versatile. Quality components, a flip-flop hub that will allow you to ride fixed gear or freewheel and Cult x Vans ‘waffle pattern” grips will keep you comfortable and riding hassle-free for years to come.

If you want a fun and well-built bicycle but aren't yet looking for something “race-ready”, the Core-Line series is for you.

 

[SPECS]

  • FRAME:  Durable Steel Frame ft. Seat Stay Rack Mounts and Cable Stops
  • DROPOUTS:  Horizontal Dropouts ft. Integrated Chain-Tensioners
  • WHEEL SET:  Deep V Wheel Set ft. 40 mm High-Flange Hubs w/ Sealed Bearings
  • FLIP-FLOP HUB:  Includes 16T Freewheel and Fixed Gear Cog - Easily Ride Fixed Gear or Single Speed
  • GEAR RATIO:  44x16
  • HANDLEBARS:  Choose Riser Bars w/ Vans Grips (Standard) or Bullhorn or Drop Bars w/ Bar Tape
  • BRAKES:  Front & Rear Caliper Hand Brakes
  • PEDALS:  Platform Pedals
  • SADDLE:  Synthetic Leather Saddle w/ Steel Rails

SIZE:  4 Frame Sizes to fit any Rider Height from 5'0" to 6'2" (Size 54 cm Pictured)

Max Recommended Tire Size:  28c (sizes of up to 32c have been fitted by riders however fitment varies on wheels used, brand of tires, and other factors)

WEIGHT:  24 lb 8 oz
*(Size 54cm Frame as Pictured)


 

Click Here for Size Chart and Specs

RETURNS & Exchanges: State Bicycle Co. proudly offers FREE RETURNS for EXCHANGES - please see details of our Return Policy here.

SHIPPING:  Most in-stock items ship within 1 business day! Tracking information is provided upon shipment. Learn more about our Shipping Policy

ASSEMBLY: Complete Bicycles will ship 90% built and require only basic tools and knowledge to complete the build. However, a fully assembled bicycle also needs to be tuned and adjusted (oftentimes with specialty tools). We strongly encourage having your bike professionally assembled to validate your warranty and to ensure a safe and lasting ride.

WARRANTY:  Warranty activated when you submit proof of professional assembly. 

  • 5-year Warranty on all bicycle frames
  • 1-year Warranty non-consumable parts
  • 2-year Warranty on Essor USA products

Learn more about our Warranty Policy.

Size Charts and Specs:  Detailed Size Charts and Specs can be found here:  Size Charts & Specs.

SUPPORT:  We pride ourselves on having a friendly and knowledgeable staff. Contact us and we'd be happy to help you out in any way we can.

Customer Reviews

Based on 8 reviews
100%
(8)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
J
J. (Indianapolis, US)
Second season cyclist

While my opinion on what’s great, good, fair or junk isn’t exactly credible, I can still use my voice as to what is good for me personally. After a new saddle and some (very slight) thicker tires, this baby rides like a fantasy. And for a little under 500$ ( not counting shipping & tax) it’s well worth it. Future buyers will most definitely want to opt for the bigger tires and more comfortable saddle. I paid a little extra for drop bars and upgraded pedals. Bottom line, this machine kills fascists.

M
Mark G (Chicago, US)
Solid value

I ordered the bike for my daughter who wanted a simple, low maintenance, single speed bike. The stock tires measured 23 mm on the calipers, even though they say 28 mm on the side wall. (stock tires are not the greatest.). I ordered a set of Ritchey Alpine JB’s in 30mm with a tan sidewall. They fit great (with a little room to spare) and look awesome! The other short coming on the bike if I’m being honest is the seat which is hard and cheap, so I ordered a comfort saddle off Amazon those two improvements have made the bike near perfect for her. She loves it!! it’s a solid performer in a great value !

L
Lee Southwell (Washington, US)
Great bike

Perfect, nimble bike for getting around a city

R
RAM2500 (Lawton, US)
Picked up used and is a home run!

I picked up a 2019 model Core line for really really cheap. Sometimes without even trying, I am able to smash my PRs that I made with very expensive carbon fibre bikes like my Roubaix and Domane. I did fit my Core with some drops. I really enjoy riding this bike.

B
Bob C (Harrisburg, US)
WAY nicer than I expected!

My new Earthstone Core-Line looks and feels much better than I expected! Feels super solid and looks sleek & sultry, and I love the red anodized hubs! It received some minor boo-boos during shipping, but the friendly local mechanic fixed the spoke, rim tape and added some lube where needed. Can't wait for the sun to rise so I can get on it again!

M
M.H. (Rockvale, US)
Great deal on a great bike

I scored this bike for under $400 and I couldn’t be more happy. The bike feels like high quality, no issues when shipped as it was secured great. The bike rides smooth and loving the simplicity.

D
D.S. (Denver, US)
coreline fixie

feels super smooth and the stock riser handlebars feel a lot better than expected.

S
SeanCo (Fresno, US)
Fantastic and Comfy Ride

I went on a few short rides (less than a few miles) before giving this new bike a true test by going on a 10.5 mile ride through town. It felt great. It rode great. It looked great. As someone getting back into riding on a consistent basis again, I couldn’t have asked for a better entry level bike. No regrets on this purchase.