Bike Comparison
    MSRP
    $750
    $1,499
    Where to Buy
    $1

    At

    $1

    At

    Category
    FatFat
    Weight
    37.9 lbs
    2.0
    2.7
    SteelAluminum
    Fork
    SteelAluminum
    Wheels
    AluminumAluminum
    Wheel Size
    26″26″
    Brakes
    Mechanical DiscMechanical Disc
    Groupset
    Acera, ShimanoDeore, FSA
    Drivetrain
    2 × 92 × 10
    Brand Site

    diamondback.com

    Summary
    The Diamondback El Oso Uno and Diamondback El Oso Dos are both 26″ rigid fat bikes with mechanical disc brakes. The El Oso Uno has a steel frame and steel fork, while the El Oso Dos has an aluminum frame, aluminum fork, and better components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    El Oso Uno
    El Oso Dos
    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

    25 mph

    El Oso Dos

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Frame

    Steel

    El Oso 6061-T6 Double Butted Aluminum, Formed Top / Down Tube, 1.5" Tapered Machined Headtube, 197mm Thru Axle, Fits up to 26x5" Tire

    Fork

    Steel

    DB El Oso Custom Rigid Air Formed Alloy Fork, 1.5 Taper Steerer, 150mmx15mm Thru-axle

    Bottom Bracket

    Sealed cartridge

    FSA Mega Exo

    Headset

    FSA No.8B, orbit sealed

    FSA No.57, Sealed Cartridge

    Stem

    DB Race M-series

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

    Handlebar

    Diamondback

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

    Saddle

    DB Race M-series

    DB Race M-series Saddle

    Seatpost

    DB Alloy micro adjust

    DB Alloy Micro Adjust, 30.9mm

    Pedals

    DB4L alloy platform

    DB4L Alloy Platform w/ Replaceable Pins

    Grips

    DB High Density Foam Grip

    Groupset
    Rear Derailleur

    Shimano Acera M3000

    Shimano Deore M6000 Shadow Plus, 10 Speed

    Front Derailleur

    Shimano MT400

    Shimano Deore M6020, Side Swing, Front Pull, Direct Mount

    Crank

    SR Suntour XCM, 36/22T

    FSA Comet Mega Exo, 36/24T

    Shifters

    Shimano Acera M3000

    Shimano Deore M6000, 10 Speed Without Gear Display

    Cassette

    Shimano HG200, 11-36T, 9-speed

    Shimano HG500, 10 Speed, 11-42T

    Chain

    KMC X9 EPT

    KMC X10, 10 Speed, EPT Anti-Rust

    Brakes

    Tektro Novela Mechanical Disc Brake

    TRP Spyke Dual Piston Mechanical Disc, w/ 160mm Front and Rear Rotors

    Brake Levers

    Tektro 2-finger alloy

    TRP ML800 Spyke

    Wheels
    Rims

    14g stainless-steel

    Diamondback 95mm Wide w/50mm Cutouts, 32h Alloy Singlewall

    Spokes

    14g Stainless Steel

    Front Hub

    Alloy, 32h

    32h Alloy, Sealed Cartridge Bearing, 150mmx15mm Thru-axle

    Rear Hub

    Alloy, 32h

    32h Alloy, Sealed Cartridge Bearing, 197mmx12mm Thru-axle, Cassette

    Tires

    Chaoyang Cruiser

    Kenda Juggernaut 26x4.5"

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