2021 Breezer

Doppler Pro

A steel frame gravel bike with mid-range components and hydraulic disc brakes.

MSRP$1,499
FrameSteel
SuspensionRigid
ForkSteel
Wheels650b Aluminum
Drivetrain2 × 10
GroupsetTiagra
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Doppler Pro
Other Gravel bikes
Gearing

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

Doppler Pro

36 mph

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Highest gear

(descending)

Spec Level

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

Sizing
XS

5'2" – 5'6"

SM

5'4" – 5'9"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

XL

6'0" – 6'4"

XXL

6'1" – 6'5"

🐐 Estimated

Rider Fit Notes

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

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

BB StandardBSA, 68mm, Threaded

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

TypeRigid

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

TypeHydraulic Disc

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

Accessories
Lights

N/A

Rider Notes
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Last updated December 19
Not listed for 1,189 days