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    402025 Principia
    Recommended
    MSRP
    ($2,315)
    Where to Buy
    —
    $1

    At

    Category
    		Gravel
    Weight
    		23.8 lbs
    4.0
    Frame
    		Aluminum
    		Carbon
    Wheels
    		Aluminum
    Wheel Size
    		700c
    		Shimano Hydraulic Disc
    		GRX 800, GRX 600
    Drivetrain
    		1 × 12
    Brand Site

    principiabikes.com

    Summary
    		The Principia 40 is an aluminum frame gravel bike with upper mid-range components and shimano hydraulic disc brakes.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    40
    Other Gravel 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)

    35 mph

    40

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    402025 Principia
    Frame

    Principia PC-26 700C Gravel, double butted aluminium (AL-6061)

    BB Standard: BSA, 68mm, Threaded

    Colors: Bronze; Graphite

    Fork

    Carbon

    Bottom Bracket

    Shimano BB-RS501 BSA

    Stem

    LiTE aluminium 31,8x90mm, black

    Handlebar

    LiTE aluminium, 31,8x420mm, black

    Saddle

    LiTE black with steel rails

    Seatpost

    LiTE aluminium 27,2x350mm, black

    Type: Rigid

    Groupset
    Rear Derailleur

    Shimano GRX RX822

    Crank

    Shimano FC-RX610 40T

    Shifters

    Shimano GRX ST-RX610 1x12sp

    Cassette

    Shimano CS-M7100 12sp 10-45T

    Chain

    Shimano CN-M6100, 116L

    Brakes

    Front: Shimano SM-RT64 hydraulic disc brake, 160 mm. rotor, Rear: Shimano SM-RT64 hydraulic disc brake, 160 mm. rotor

    Type: Shimano Hydraulic Disc

    Wheels
    Rims

    28in (700)

    Tires

    Schwalbe G-One Comp 700x45C

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