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    FORTITUDE 1052026 Opus
    Recommended
    MSRP
    ($1,909)
    Where to Buy
    —
    $1

    At

    Category
    		Endurance
    Weight
    		20.7 lbs
    4.0
    Frame
    		Aluminum
    		Carbon
    Wheels
    		Aluminum
    Wheel Size
    		700c
    Clearance
    		35c
    		Shimano Hydraulic Disc
    		105
    Drivetrain
    		2 × 12
    Brand Site

    opusbike.com

    Summary
    		The Opus FORTITUDE 105 is an aluminum frame endurance bike with upper mid-range components and shimano hydraulic disc brakes.

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    Similar Bikes
    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    FORTITUDE 105
    Other Endurance 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)

    39 mph

    FORTITUDE 105

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    FORTITUDE 1052026 Opus
    Frame

    Aluminum

    Tire Clearance: 35c

    Color: Crystal Red

    Fork

    Full Carbon Tapered 1-1/2 to 1-1/8 in

    Bottom Bracket

    Shimano sealed cartridge

    Headset

    FSA Orbit integrated sealed

    Stem

    Promax

    Handlebar

    X-Race Aero 8° flare

    Saddle

    Opus Endurance

    Seatpost

    Promax alloy 27.2 x 300

    Type: Rigid

    Pedals

    N/A

    Groupset
    Rear Derailleur

    Shimano 105 R7100

    Front Derailleur

    Shimano 105 R7100

    Crank

    Shimano 105 R7100

    Shifters

    Shimano 105 2 x 12

    Cassette

    Shimano 11-34t

    Chain

    Shimano HG12 M7100

    Brakes

    Shimano BRR7100 Flat Mount Hydraulic disc

    Type: Shimano Hydraulic Disc

    Brake Levers

    Shimano R7100

    Wheels
    Rims

    Weinmann U27TL

    Front Hub

    Alex Bear Pawls through axle 12 mm fr/rr

    Rear Hub

    Alex Bear Pawls through axle 12 mm fr/rr

    Tires

    Kenda Fortitude Pro 700 x 32

    Accessories
    Racks

    Rear rack and fender mounts

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