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Bike Comparison
    QUARTIER 72026 Opus
    QUARTIER 82026 Opus
    MSRP
    ($636)
    ($707)
    Where to Buy
    —
    $1

    At

    —
    $1

    At

    Category
    		FitnessFitness
    Weight
    		29.1 lbs29.1 lbs
    		AluminumAluminum
    Wheels
    		AluminumAluminum
    Wheel Size
    		650b650b
    		Tektro Mechanical DiscShimano Hydraulic Disc
    		Tourney, AltusTourney, Acera
    Drivetrain
    		1 × 72 × 8
    Brand Site

    opusbike.com

    opusbike.com

    Summary
    		The Opus QUARTIER 7 and Opus QUARTIER 8 are both 650b fitness bikes. The QUARTIER 7 has better components, while the QUARTIER 8 has a 2 × 8 drivetrain providing a wider range of gears.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    QUARTIER 7
    QUARTIER 8
    Other Fitness 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

    QUARTIER 7

    34 mph

    QUARTIER 8

    Highest gear

    (descending)

    Geometry
    Specs
    QUARTIER 72026 Opus
    QUARTIER 82026 Opus
    Frame

    Low step-through frame for everyone to enjoy

    BB Standard: BSA, 73mm, Threaded

    Colors: Black; Dusk Blue

    Low step-through frame for everyone to enjoy

    BB Standard: BSA, 73mm, Threaded

    Colors: Powder Grey; Sage Green

    Fork

    Meta 10 Aluminum

    Meta 10 Aluminum

    Bottom Bracket

    BB-73 BSA

    BB-73 BSA

    Headset

    FSA 42/48/ACB

    FSA 42/48/ACB

    Stem

    Opus Gold

    Opus Gold

    Handlebar

    MJ HB-T321

    MJ HB-T321

    Saddle

    Opus Lifestyle Wide

    Opus Lifestyle Wide

    Seatpost

    Opus Bronze 27.2 x 350, 400(L, XL)

    Type: Rigid

    Opus Bronze 27.2 x 350, 400(L, XL)

    Type: Rigid

    Pedals

    FPD NW-99K

    FPD NW-99K

    Groupset
    Rear Derailleur

    Shimano Tourney TY-500 7

    Shimano Acera M3020

    Front Derailleur

    N/A

    N/A

    Crank

    Chainway SA-C08

    Shimano FC-TY501

    Shifters

    Shimano Altus M315 1x7

    Shimano Altus M315 2x8

    Cassette

    Shimano HG200-7 12-32t

    Shimano HG31 11-34t

    Chain

    KMC Z7

    KMC Z8.3

    Brakes

    Tektro MD-U310 Mechanical disc

    Type: Tektro Mechanical Disc

    Shimano BR-U300 flat-mount hydraulic disc

    Type: Shimano Hydraulic Disc

    Brake Levers

    Tektro CL-525 w/integrated bell

    Shimano BL-M200

    Wheels
    Rims

    DW-002 650b

    Weinmann U28 650b

    Front Hub

    Joytech

    Joytech disc

    Rear Hub

    Joytech

    Joytech disc

    Tires

    Kenda Kwick Seven.5 650bx50c

    Kenda Kwick Seven.5 650bx50c

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