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The 2021 Breezer Doppler Pro is a steel frame gravel bike with mid-range components and hydraulic disc brakes.

2021 Breezer Doppler Pro
MSRP$1,499
Online Price
$1

At

CategoryGravel
FrameSteel
ForkSteel
Wheel Size650b
Wheel MaterialAluminum
Brake TypeHydraulic Disc
GroupsetTiagra
Drivetrain2 × 10
Gear Range

Breezer Doppler Pro

36 mph
SeatpostRigid
Brand Sitebreezerbikes.com
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Doppler Pro

Geometry

Specs
Frame

Breezer butted-chromoly steel, 44mm headtube, BSA Threaded BB, 142 x 12mm

Fork

Chromoly disc, 1 1/8", rack / fender & side bottle mounts, 100 x 12mm through-axle

Bottom Bracket

Praxis BSA M24

Headset

FSA 1 1/8”, No.10 ZS44

Stem

Breezer B-Road, 3D-forged 6061 stem body, +/-7°

Handlebar

Breezer B-Road, 6061 alloy, 31.8mm clamp, 133mm drop

Saddle

WTB Volt Comp 142x265, steel rail

Seatpost

Breezer, 6061 alloy, 27.2mm diameter

Pedals

N/A

Groupset
Rear Derailleur

Shimano Tiagra

Front Derailleur

Shimano Tiagra

Crank

Oval 300, 48/32T

Shifters

Shimano Tiagra, 2x10-speed

Cassette

Shimano, HG500, 11-34T, 10-speed

Chain

Shimano CN-4601 10-speed

Brakes

Tektro HY/RD C hydraulic disc, 160mm rotor

Brake Levers

Shimano Tiagra

Wheels
Rims

650B WTB ST Light i23 disc, tubeless compatible, 14g SS spokes, 32H

Tires

WTB Venture TCS Tubeless Ready, 650 x 47c, folding bead