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2025 Polygon

PREMIER 4

A 27.5″ aluminum frame hardtail trail bike with modest components.
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Manufacturer Price

$399
FrameAluminum
SuspensionHardtail, 120mm
ForkSuntour XCM
Wheels27.5″
Drivetrain2 × 8
GroupsetAcera, Altus
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
PREMIER 4
Other Trail 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)

25 mph

PREMIER 4

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

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

Sizing
SM

4'11" – 5'5"

MD

5'3" – 5'9"

LG

5'7" – 6'1"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Price History
Geometry
Specs
Build
Frame

aluminum

Fork

SUNTOUR XCM 120mm (27.5") / 100mm (29") TRAVEL

Travel120mm

Spring TypeCoil

Shock

-

Bottom Bracket

CARTRIDGE BEARING 68x127mm

Headset

ZERO STACK (ZS) THREADLESS, ZS 44/28.6 | 44/30

Stem

Entity Sport Alloy, 45mm, 31.8mm Clamping Diamter

Handlebar

ENTITY SPORT ALLOY, EXT: 740mm, BB: 31.8mm, R/D: 20mm, B: 6degree

Saddle

ENTITY VOID SADDLE, STEEL ø7mm

Seatpost

ALLOY SEATPOST, 27.2x350mm

TypeRigid

Pedals

PP PEDALS W/ PP CAGE

Grips

Entity

Groupset
Rear Derailleur

SHIMANO ACERA RD-M3020 DIRECT ATTACH

Front Derailleur

Shimano Acera M315, Top-Swing Dual-Pull

Crank

ALLOY CRANK 36/22T, 170MM

Shifters

SHIMANO ALTUS SL-M315, 2x8-SPEED TRIGGER

Cassette

SHIMANO CS-HG200 12-32T

Chain

KMC Z-8.3

Brakes

HYDRAULIC DISC BRAKE

TypeHydraulic Disc

Brake Levers

HYDRAULIC DISC BRAKE

Wheels
Rims

-

Spokes

-

Front Hub

-

Rear Hub

-

Tires

DELI 27.5/29" "x2.25"

Disc Rotors

1600mm 6-BOLTS

Rider Notes
Riders Also Viewed

First added August 31

Last updated June 1