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2022 Polygon

MT BROMO N7

A 29″ aluminum frame full suspension enduro e-bike with upper mid-range components.
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Manufacturer Price

$4,599
Weight10.5 lbs (frame)  
FrameAluminum
SuspensionFull, 160 / 160mm
ForkSuntour DUROLUX
ShockFox Float DPS Performance
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetDeore
MotorShimano 250W 60Nm mid-drive
BatteryShimano 504Wh
BrakesShimano Hydraulic Disc
SeatpostDropper
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
MT BROMO N7
Other Enduro 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)

29 mph

MT BROMO N7

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

4'11" – 5'5"

MD

5'3" – 5'9"

LG

5'7" – 6'1"

XL

5'11" – 6'5"

Rider Fit Notes

None yet.

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Reviews

Summary

The Polygon MT family, particularly in the enduro category, is praised for its aggressive geometry and suspension performance, offering a comfortable yet nimble ride. Reviews highlight its value and the effectiveness of its Independent Floating Suspension (IFS) design, though some note issues with weight and battery life. Comparisons often place it alongside bikes like the Ibis and Pivot, emphasizing its competitive edge in handling and suspension technology.

Pros
  • Aggressive geometry for a comfortable ride

  • Highly adjustable, rock-gobbling suspension performance

  • Excellent value

  • Independent Floating Suspension (IFS) design

  • Short chainstays for better maneuverability

Cons
  • Heavy

  • Battery life is below standards, drains quickly

  • Suspension requires significant maintenance

  • Underpowered brakes

  • Limited range of 504WH battery

Key Quotes
Every single number on Mt. Bromo could go toe to toe with any modern 29-inch enduro bike, e- or not.
Beta logoBeta
The Mt Bromo is a big and burly e-MTB with forward-thinking geometry and a totally new, if somewhat head-scratching suspension platform.
Flow Mountain Bike logoFlow Mountain Bike
The Polygon Mt Bromo is the hardest charging, fastest and confident rig we have ridden in recent memory.
Vital MTB logoVital MTB

Feedback?

View all reviews

Pinkbike
First Ride: 2022 Polygon Mt Bromo - A Relatively Affordable eMTB With Six-Bar Suspension

Apr 2021 · Seb Stott

Polygon's first full-suspension eMTB could hardly be accused of following the crowd.

Read Review

Vital MTB
2021 Polygon Mt Bromo N8 E-Bike

Apr 2021 · Sspomer

A bump gobbler with a complex suspension system.

Read Review

Flow Mountain Bike
Polygon Mt Bromo Review | Polygon's first full suspension e-MTB is not what we expected

Apr 2021

The Polygon Mt Bromo is the brand's first full suspension electric mountain bike. As expected, it features a mighty impressive package for the money. What we didn't expect though was the head-scratching suspension design. So how does it work? And what's it like to ride? Read on for our Polygon Mt Bromo review.

Highs
  • Finger-on-the-pulse geometry

  • Highly adjustable, rock-gobbling suspension performance

  • Short rear end boosts agility for such a big bike

  • Stupendously well-considered & desirable spec for the money

  • Grippy and tough tyres

  • Powerful Shimano braking and punchy shifting

Lows
  • Small battery may be a non-starter for some

  • Shock damper failed

  • Leaky fork seal

  • Rear wheel de-tensioning

  • Frame won't fit a water bottle

Read Review

Geometry
Specs
Build
Frame

aluminum

ColorBlack / Red/orange

Fork

SUNTOUR DUROLUX36 BOOST RC-PCS, 160MM

Travel160mm

Spring TypeAir

Shock

FOX FLOAT DPS, E2E: 205x65MM

Travel160mm

Bottom Bracket

SHIMANO DU-E7000

Headset

ZERO STACK THREADLESS, ZS 44/28.6 | ZS 56/40

Stem

Entity Expert Alloy, Barbore: 35mm

Handlebar

ENTITY EXPERT ALLOY, W: 780MM, BARBORE: 35MM, RISE: 25MM, BEND: 9DEGREE

Saddle

ENTITY SADDLE, CR-MO ø7mm

Seatpost

TRANZ X JD-YSP23JL 150MM (S-M) / 170MM (L-XL)

TypeDropper

Pedals

FLAT ALLOY W/ REPLACEABLE PIN

Groupset
Rear Derailleur

SHIMANO DEORE RD-M6100 1x12

Crank

ALLOY CRANK, 34T, 165MM

Shifters

SHIMANO DEORE SL-M6100 1x12 TRIGGER

Cassette

SHIMANO CS-M6100 10-51T

Chain

SHIMANO CN-M6100

Brakes

SHIMANO BR-MT420 W/ ADAPTER

TypeShimano Hydraulic Disc

Brake Levers

SHIMANO BL-MT401

Wheels
Rims

Entity XL2 Disc 32H, 622-35 (29”), Tubeless Ready

Spokes

Entity Stainless, Brass Nipple, F: 296/294mm, R: 294/292mm

Front Hub

SHIMANO HB-MT400-B BOOST THRU AXLE 15x110mm 32H CL

Rear Hub

SHIMANO FH-MT410-B BOOST THRU AXLE 12x148mm 32H CL

Tires

SCHWALBE MAGIC MARY 29x2.6 EVO SUPER GRAVITY ADDIX SOFT

Disc Rotors

SHIMANO 203mm W/ CENTER LOCK RING

Electric Components
Motor

SHIMANO DU-E7000 Mid Motor

Battery

SHIMANO BT-E8035, 504W/H, Internal Battery

Rider Notes
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First added September 23

Last updated September 17

Not listed for 1,353 days