Bike Comparison
    Checkpoint ALR 42019 Trek
    Recommended
    MSRP
    $1,889
    Where to Buy
    —
    $1

    At

    Category
    		Gravel
    Weight
    		22.3 lbs
    3.5
    Frame
    		Aluminum
    Fork
    		Carbon
    Wheels
    		Aluminum
    Wheel Size
    		700c
    Clearance
    		45c
    Brakes
    		Hydraulic Disc
    Motor
    Battery
    Groupset
    		Tiagra, Shimano
    Drivetrain
    		2 × 10
    Brand Site

    trekbikes.com

    Summary
    		The Trek Checkpoint ALR 4 is an aluminum frame gravel bike with mid-range components and hydraulic disc brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    Checkpoint ALR 4
    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)

    39 mph

    Checkpoint ALR 4

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Checkpoint ALR 42019 Trek
    Frame

    300 Series Alpha Aluminum, tapered head tube, BB86.5, flat mount disc brakes, Stranglehold dropouts, 12mm thru axle, Control Freak, internal cable routing, 3S chain keeper

    BB Standard: BB86/BB92, Press Fit

    Tire Clearance: 45c

    Fork

    Checkpoint carbon disc, alloy tapered steerer, flat mount disc brakes, rack mounts, hidden fender mounts, 12mm thru axle

    Bottom Bracket

    Shimano press-fit

    Headset

    Integrated, cartridge bearing, sealed, 1-1/8˝ top, 1.5˝ bottom

    Stem

    Bontrager Elite, 31.8mm, 7 degree, w/computer & light mounts

    Handlebar

    Bontrager RL IsoZone VR-CF, 31.8mm

    Saddle

    Bontrager Montrose Comp

    Seatpost

    Bontrager Approved, 2-bolt head, 27.2mm, 8mm offset

    Pedals

    Not included

    Grips

    Bontrager tape

    Groupset
    Rear Derailleur

    Shimano Tiagra

    Front Derailleur

    Shimano Tiagra

    Crank

    Shimano Tiagra, 50/34 (compact)

    Shifters

    Shimano RS405, 10 speed

    Cassette

    Shimano Tiagra, 11-34, 10 speed

    Chain

    KMC X10

    Brakes

    Shimano RS505 flat mount hydraulic disc

    Wheels
    Rims

    Bontrager Tubeless Ready

    Front Hub

    Bontrager alloy sealed bearing, 12mm alloy axle, centerlock

    Rear Hub

    Bontrager alloy sealed bearing, 12mm alloy axle, centerlock

    Tires

    Bontrager GR1 Comp, 60tpi, wire bead, 700x40c

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