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2022 Polygon

SIERRA OOSTEN26

A 26″ aluminum frame comfort bike with modest components and rim brakes.
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Manufacturer Price

$519
Weight30.0 lbs  
FrameAluminum
SuspensionRigid
ForkSteel
Wheels26″ Aluminum
Drivetrain1 × 8
GroupsetTourney, Altus
BrakesRim
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Insights
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)

25 mph

SIERRA OOSTEN26

29 mph

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Highest gear

(descending)

Sizing
MD

5'2" – 5'8"

LG

5'6" – 5'11"

Rider Fit Notes

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Geometry
Specs
Build
Frame

aluminum

Fork

HI-TEN STEEL RIGID FORK

Shock

-

Bottom Bracket

CARTRIDGE BB

Headset

EXTERNAL THREADED

Handlebar

ALLOY, 620MM

Saddle

SELLE ROYAL ONDINA, STEEL RAIL

Seatpost

ALLOY, 27.2X250MM

TypeRigid

Pedals

-

Groupset
Rear Derailleur

SHIMANO ALTUS RD-M310

Crank

STEEL CRANK 36T, 165MM

Shifters

SHIMANO TOURNEY SL-RS47

Cassette

SHIMANO ALTUS CS-HG31 8-SPEED 11-32T

Chain

KMC Z-7

Brakes

ALLOY V-BRAKE

TypeRim

Brake Levers

ALLOY V-BRAKE

Wheels
Rims

ALLOY DOUBLE WALL RIMS ALLOY HUB 36H

Tires

DELI S-151, 26X1-3/8

Disc Rotors

ALLOY V-BRAKE

Rider Notes
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First added July 7

Last updated April 29

Not listed for 1,135 days