Bike Comparison
    MSRP
    $969$1,799
    Where to Buy
    $1

    At

    $1,799

    At Trek

    $1,799

    At Biloxi Bicycle Works

    Category
    GravelGravel
    Weight
    21.6 lbs
    3.3
    3.0
    SteelAluminum
    Fork
    SteelCarbon
    Wheels
    AluminumAluminum
    Wheel Size
    700c700c
    Brakes
    Mechanical DiscMechanical Disc
    Groupset
    Deore, AlivioApex
    Drivetrain
    2 × 91 × 11
    Brand Site

    breezerbikes.com

    trekbikes.com

    Summary
    The Breezer RADAR Expert is a steel frame gravel bike with mid-range components and mechanical disc brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    2020 RADAR Expert
    2025 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)

    36 mph

    2020 RADAR Expert

    31 mph

    2025 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
    Frame

    Breezer butted chromoly steel, BSA threaded BB , Apex disc mount 135mm QR

    BB StandardBSA, 68mm, Threaded

    300 Series Alpha Aluminum, tapered head tube, Internal cable routing, 3S chain keeper, T47 BB, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm thru axle

    BB StandardBSA, 68mm, Threaded

    Fork

    Chromoly disc, 1 1/8", QR w/rack, fender & side bottle mounts

    Checkpoint, full carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle

    Bottom Bracket

    Sealed-bearing

    SRAM DUB, T47 threaded, internal bearing

    Headset

    FSA 1 1/8" Threadless, 6.5mm aluminum top cover

    Stem

    Breezer B-Road, 3D-forged 6061 stem body, +/-6 degree

    Size: 49, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: 52, 54, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: 56, 58, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length; Size: 61, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length

    Handlebar

    Oval Concepts 325, 6061 alloy, 31.8mm clamp, 125mm drop, 25 degree flare, 4 degree sweep

    Size: 49, Bontrager Elite Gravel, 38cm width; Size: 52, Bontrager Elite Gravel, 40cm width; Size: 54, 56, Bontrager Elite Gravel, 42cm width; Size: 58, 61, Bontrager Elite Gravel, 44cm width

    Saddle

    WTB Volt Sport, Satin steel rail

    Size: 49, 52, Bontrager Verse Comp, steel rails, 155mm width; Size: 54, 56, 58, 61, Bontrager Verse Comp, steel rails, 145mm width

    Seatpost

    Breezer setback, 6061 alloy, 27.2mm diameter

    Bontrager alloy, 27.2mm, 12mm offset, 330mm length

    Pedals

    na

    Groupset
    Rear Derailleur

    Shimano Deore, long cage

    SRAM Apex 1, long cage, 42T max cog

    Front Derailleur

    Shimano T4000

    Crank

    Breezer 2-pc w/hollow axle, 46/30T

    Size: 49, SRAM Apex 1, 40T, DUB Wide, 165mm length; Size: 52, SRAM Apex 1, 40T, DUB Wide, 170mm length; Size: 54, 56, SRAM Apex 1, 40T, DUB Wide, 172.5mm length; Size: 58, 61, SRAM Apex 1, 40T, DUB Wide, 175mm length

    Shifters

    Shimano Sora, 9-speed

    SRAM Apex, 11 speed

    Cassette

    Shimano HG, 11-36t, 9-Speed

    SRAM PG-1130, 11-42, 11 speed

    Chain

    KMC X9

    SRAM PC-1130, 11 speed

    Brakes

    Tektro Spyre C , mechanical disc, 160mm rotors

    Tektro C550 mechanical disc brake, dual piston, flat mount

    Brake Levers

    Shimano Sora

    Wheels
    Rims

    WTB STP i23 TCS disc, tubeless compatible, Formula sealed bearing hubs, 14g SS spokes, 32H

    Bontrager Paradigm, Tubeless Ready, 24-hole, 21mm width, Presta valve

    Spokes

    14g stainless steel, black

    Front Hub

    Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle

    Rear Hub

    Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle

    Tires

    WTB Riddler Race, 700 x 45c, wire bead

    Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40mm

    Disc Rotors

    Tektro, centerlock, 160mm

    Accessories
    Lights

    Front: N/A, Rear: N/A

    Fenders

    N/A

    Racks

    Rear: N/A

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