Bike Comparison
    El Oso Uno2019 Diamondback
    Recommended
    MSRP
    $799
    Where to Buy
    —
    $1

    At

    Category
    		Fat
    2.0
    Frame
    		Steel
    Fork
    		Steel
    Wheels
    		Aluminum
    Wheel Size
    		26″
    Brakes
    		Mechanical Disc
    Motor
    Battery
    Groupset
    		Acera, Alivio
    Drivetrain
    		2 × 9
    Brand Site

    diamondback.com

    Summary
    		The Diamondback El Oso Uno is a 26″ steel frame rigid fat bike with mid-range components and mechanical disc brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    El Oso Uno
    Other Fat bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    25 mph

    El Oso Uno

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    El Oso Uno2019 Diamondback
    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

    Bottom Bracket

    Sealed Cartridge

    Headset

    FSA Orbit, No.8B

    Stem

    DB 3D Forged, 7° Rise, 31.8 Bar Bore

    Handlebar

    Diamondback, 740mm Wide, 15mm Rise, 31.8 Bar Bore

    Saddle

    DB Race M-series Saddle

    Seatpost

    DB Alloy Micro Adjust, 30.9mm

    Pedals

    DB4L Alloy Platform

    Grips

    DB High Density Foam Grip

    Groupset
    Rear Derailleur

    Shimano Acera M3000, Shadow, 9 Speed, SGS

    Front Derailleur

    Shimano Alivio M4020-D, Side Swing, Front Pull, Direct Mount

    Crank

    SR Suntour XCM, 36/22T

    Shifters

    Shimano Acera M3000, 2x9 Speed Rapidfire

    Cassette

    Shimano HG200, 9 Speed, 11-36T

    Chain

    KMC X9 EPT Anti-Rust

    Brakes

    Tektro Aires Mechanical Disc, w/180mm Front / 160mm Rear Rotors

    Brake Levers

    Tektro 2 Finger Alloy

    Wheels
    Rims

    Diamondback 73mm Wide w/28mm Cutouts, 32h Alloy Singlewall

    Spokes

    14g Stainless Steel

    Front Hub

    32h Alloy, 3/8" Nutted

    Rear Hub

    32h Alloy, 3/8" Nutted, Cassette

    Tires

    Chaoyang Cruiser 26x4.0"

    Riders Also Compared