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Diamondback

Diamondback El Oso Uno Mountain Bike

Green

Diamondback

Diamondback El Oso Uno Mountain Bike

$799.99 + Free Shipping!
Color:
Green
CG Rewards Members Earn 799.99 Points w/ Purchase of This Product!   Learn More
If you had one bike that could survive a theoretical zombie apocalypse, it’d be the Diamondback el Oso Uno. Oddly enough, you’d be riding through said apocalypse with a great big smile on your face, because in addition to being durable and capable of carrying you and your gear over any kind of terrain (check out the rack mounts), this fat bike is just plain fun to ride. The extra wide tires on el Oso Uno provide outstanding traction, and you can mount tires up to 26x5” wide for extra float over soft surfaces. Aboard el Oso Uno, you can survive anything the trail throws your way, including the occasional zombie horde.
Frame:El Oso Butted Heat Treated Steel, 1-1/8" Headtube, 170mm Rear OLD, w/Laser Cut Disc Drop Outs, Fits up to 26x5" tire
Fork:DB El Oso Custom Rigid Steel Fork, 1-1/8" Steerer Tube, 135mm QR Disc Dropouts
Crankset:SR Suntour XCM, 36/22T
Shifters:Shimano Acera M3000, 2x9 Speed Rapidfire
Headset:FSA Orbit, No.8B
Wheelset:Diamondback 73mm Wide w/28mm Cutouts, 32h Alloy Singlewall
Seatpost:DB Alloy Micro Adjust, 30.9mm
Pedals:DB4L Alloy Platform
Stem:DB 3D Forged, 7° Rise, 31.8 Bar Bore
Handlebars:Diamondback, 740mm Wide, 15mm Rise, 31.8 Bar Bore
Saddle:DB Race M-series Saddle
Cassette:Shimano HG200, 9 Speed, 11-36T
Brakes:Tektro Aires Mechanical Disc, w/180mm Front / 160mm Rear Rotors
Tires:Chaoyang Cruiser 26x4.0"
Bottom Bracket:Sealed Cartridge
Extras:Tool Kit
size guide

All bikes purchased through City Grounds MUST be assembled by a certified bike shop mechanic. If the bike is NOT built by a certified bike shop mechanic, any warranty will be VOID. We will request for an assembly receipt as proof of professional installation.

For all warranty claims, please contact our Warranty Team at warranty@citygrounds.com. So that we can help you in a timely manner, make sure to include the following:

  • 1. Order Number (we will confirm date of purchase and determine if the item is still under the manufacturer’s warranty time limit)
  • 2. Brief description of the claim
  • 3. Photographs
  • 4. If the item is a bike or frame, include the serial number

We evaluate all warranties case-by-case to determine the best course of action and get you serviced to the best of our ability!

Warranty does not apply to the following:

  • • Any part of a product that has been installed, altered, repaired, or misused
  • • Damage from unintended style of riding, abuse, neglect, accident, and racing
  • • Normal wear and tear of any product (including but not limited to - saddles, grips, tires, tubes, cables, brake pads, chains)
  • • Failure to provide regular maintenance of any product

Labor and shipping are the responsibility of the customer. We do not cover parts purchased and labor performed by another bike shop.

Note: Warranty is for original owner only.

If you had one bike that could survive a theoretical zombie apocalypse, it’d be the Diamondback el Oso Uno. Oddly enough, you’d be riding through said apocalypse with a great big smile on your face, because in addition to being durable and capable of carrying you and your gear over any kind of terrain (check out the rack mounts), this fat bike is just plain fun to ride. The extra wide tires on el Oso Uno provide outstanding traction, and you can mount tires up to 26x5” wide for extra float over soft surfaces. Aboard el Oso Uno, you can survive anything the trail throws your way, including the occasional zombie horde.
Frame:El Oso Butted Heat Treated Steel, 1-1/8" Headtube, 170mm Rear OLD, w/Laser Cut Disc Drop Outs, Fits up to 26x5" tire
Fork:DB El Oso Custom Rigid Steel Fork, 1-1/8" Steerer Tube, 135mm QR Disc Dropouts
Crankset:SR Suntour XCM, 36/22T
Shifters:Shimano Acera M3000, 2x9 Speed Rapidfire
Headset:FSA Orbit, No.8B
Wheelset:Diamondback 73mm Wide w/28mm Cutouts, 32h Alloy Singlewall
Seatpost:DB Alloy Micro Adjust, 30.9mm
Pedals:DB4L Alloy Platform
Stem:DB 3D Forged, 7° Rise, 31.8 Bar Bore
Handlebars:Diamondback, 740mm Wide, 15mm Rise, 31.8 Bar Bore
Saddle:DB Race M-series Saddle
Cassette:Shimano HG200, 9 Speed, 11-36T
Brakes:Tektro Aires Mechanical Disc, w/180mm Front / 160mm Rear Rotors
Tires:Chaoyang Cruiser 26x4.0"
Bottom Bracket:Sealed Cartridge
Extras:Tool Kit

All bikes purchased through City Grounds MUST be assembled by a certified bike shop mechanic. If the bike is NOT built by a certified bike shop mechanic, any warranty will be VOID. We will request for an assembly receipt as proof of professional installation.

For all warranty claims, please contact our Warranty Team at warranty@citygrounds.com. So that we can help you in a timely manner, make sure to include the following:

  • 1. Order Number (we will confirm date of purchase and determine if the item is still under the manufacturer’s warranty time limit)
  • 2. Brief description of the claim
  • 3. Photographs
  • 4. If the item is a bike or frame, include the serial number

We evaluate all warranties case-by-case to determine the best course of action and get you serviced to the best of our ability!

Warranty does not apply to the following:

  • • Any part of a product that has been installed, altered, repaired, or misused
  • • Damage from unintended style of riding, abuse, neglect, accident, and racing
  • • Normal wear and tear of any product (including but not limited to - saddles, grips, tires, tubes, cables, brake pads, chains)
  • • Failure to provide regular maintenance of any product

Labor and shipping are the responsibility of the customer. We do not cover parts purchased and labor performed by another bike shop.

Note: Warranty is for original owner only.

size guide

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Delivery Options

City Grounds now offers multiple options for getting your bike to you! Get hands on and build up your bike yourself, or avoid the hassle and get the bike delivered completely ready to ride to your door!

Assembled & Delivered

$125
  • Professionally assembled and delivered right to your door.
  • Our trusted mechanic will contact you for a convenient delivery time.
  • Automatically activates warranty - learn more.
  • *Available in most metropolitan markets.
    Contact us to confirm.

DIY

FREE
  • Save money with the Do-It-Yourself option.
  • Perfect for DIY-ers who are unafraid of a little grease!
  • Tools are required.
  • Activates limited warranty - learn more

DIY

FREE
  • Save money with the Do-It-Yourself option.
  • Perfect for DIY-ers who are unafraid of a little grease!
  • Tools are required.
  • Activates limited warranty - learn more
  • Shipping is free!

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