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2022 Polygon

HELIOS A8

A carbon frame race bike with high-end components and shimano ultegra hydraulic disc brakes.
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Manufacturer Price

$3,299
Weight1.9 lbs (frame)  
FrameCarbon
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 11
GroupsetUltegra
BrakesShimano Ultegra Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
HELIOS A8
Other Race 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)

41 mph

HELIOS A8

40 mph

Similar Bikes

Highest gear

(descending)

Sizing
XXS

4'11" – 5'4"

XS

5'0" – 5'5"

SM

5'3" – 5'7"

MD

5'6" – 5'10"

LG

5'8" – 6'0"

XL

5'10" – 6'2"

Rider Fit Notes
  • 6'1", size XL, Just right
Geometry
Specs
Build
Frame

carbon

BB StandardBB86/BB92, Press Fit

ColorNubium Grey

Fork

ACX PERFORMANCE UCI APPROVED, TAPER 1-1/8" TO 1-1/2"

Shock

-

Bottom Bracket

SHIMANO BB-RS500-PB, PRESSFIT BB86

Headset

INTEGRATED (IS) SEALED BEARING FOR OS HEAD TUBE, IS 52/28.6 | IS 52/40

Stem

FSA NS SMR, EXT: 90mm (XS, S) / 100mm (M, L) / 110mm (XL), BB: 31.8mm, B/R: 6degree

Handlebar

FSA ENERGY COMPACT, W: 400mm (XS, S) / 420mm (M, L) / 440mm (XL), BB: 31.8mm, R/D: 123.2mm, B/R: 78mm

Saddle

ENTITY FLUX2, CR-MO ø 7mm

Seatpost

CARBON, AERO 35 x 337mm (XS) / 357mm (S, M, L, XL)

TypeRigid

Pedals

-

Groupset
Rear Derailleur

SHIMANO ULTEGRA RD-R8000-GS

Crank

SHIMANO ULTEGRA FC-R8000 52/36T, CRANK ARM: 170mm (XS, S, M) / 172.5mm (L, XL)

Shifters

SHIMANO ULTEGRA ST-R8020, 2x11-SPEED DCL

Cassette

SHIMANO ULTEGRA CS-R8000-11 11-34T

Chain

SHIMANO CN-HG601-11

Brakes

SHIMANO ULTEGRA BR-R8070 FLAT

TypeShimano Ultegra Hydraulic Disc

Brake Levers

SHIMANO ULTEGRA ST-R8020

Wheels
Rims

CARBON 622-19 24H FOR TYRE 622-28/62 DISC TUBELESS READY

Front Hub

ALLOY THRU AXLE 12x100mm 24H SEALED BEARINGS CENTER LOCK

Rear Hub

ALLOY THRU AXLE 12x142mm 24H SEALED BEARINGS CENTER LOCK

Tires

SCHWALBE ONE ADDIX TLE 700x28C

Disc Rotors

SHIMANO SM-RT70 F:160mm / R:140mm CENTER LOCK

Rider Notes
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First added April 12

Last updated June 21

Not listed for 345 days