Bike Comparison
    MSRP
    Where to Buy
    $1

    At

    Category
    Crosscountry
    2.6
    Aluminum
    Fork
    Suntour XCT
    Wheels
    Aluminum
    27.5″
    Brakes
    Mechanical Disc
    Groupset
    Acera, Tourney
    Drivetrain
    3 × 8
    Suspension
    Hardtail
    Front Travel
    80mm
    Brand Site

    diamondback.com

    Summary
    The Diamondback Overdrive ST 27.5 is a 27.5″ aluminum frame hardtail crosscountry bike with modest components and mechanical disc brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Overdrive ST 27.5
    Other Crosscountry 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)

    31 mph

    Overdrive ST 27.5

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Overdrive 27" Butted 6061-T6 Aluminum w/ Formed Top / Down Tube, machined headtube, forged drop outs w/replaceable hanger, disc only

    Fork

    SR Suntour XCT 27.5 coil spring 80 mm travel, Preload Adjust

    Bottom Bracket

    Square Taper - 5pc

    Headset

    Integrated FSA Drop-in ACB upper, Zero Stack lower internal cup and cartridge bearing, 1 1/8"

    Stem

    DB AL6061 Ahead, 31.8mm, 7°

    Handlebar

    DB Flat Bar, 720mm wide, Flat Bar,31.8mm

    Saddle

    DB Race s M-series Saddle

    Seatpost

    DB Laser Micro Adjust 30.9mm

    Pedals

    Alloy Forged

    Grips

    DB4L 135mm Kraton

    Groupset
    Rear Derailleur

    Shimano Acera M360, 8 Speed

    Front Derailleur

    Shimano Tourney, top pull, 31.8

    Crank

    Suntour XCT, 42/32/22T

    Shifters

    Shimano Altus EF-51 3x8spd

    Cassette

    Shimano HG-31, 8 Speed, Cassette, 11-32T

    Chain

    KMC Z82

    Brakes

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

    Brake Levers

    Shimano Altus EF-51

    Wheels
    Rims

    DB SL7 27.5" 32h, Doublewall

    Spokes

    14g Stainless

    Front Hub

    32h SL-7 Alloy w/ CNC Disc Mount

    Rear Hub

    32h SL-7 Alloy w/ CNC Disc Mount, Cassette

    Tires

    Chaoyang Hornet 27.5x2.1

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