2025

Polygon HELIOS A8 Di2 POWERMETER

Name: 2025 Polygon HELIOS A8 Di2 POWERMETER
Brand: Polygon

race

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Size / XXXS, XXS, XS, SM, MD, LG, XL

Manufacturer Website

At a glance

The 2025 Polygon HELIOS A8 Di2 POWERMETER is an race carbon road bike. It is priced at $5,399 USD, comes in a range of sizes, including XXXS, XXS, XS, SM, MD, LG, XL and a shimano drivetrain. The bike is part of Polygon's HELIOS range of road bikes.

Where To Buy

Polygon

Polygon HELIOS A8 Di2 POWERMETER

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Reviews

Specifications

Frameset

Frame

carbon
Fork

ACX PERFORMANCE UCI APPROVED

Wheels

Hubs

F: ALLOY THRU AXLE 12x100mm 20H SEALED BEARINGS CENTER LOCK / R: ALLOY THRU AXLE 12x142mm 24H SEALED BEARINGS CENTER LOCK
Wheels

F: CARBON 622-22 20H FOR TYRE 622-28/62 DISC TUBELESS READY / R: CARBON 622-22 24H FOR TYRE 622-28/62 DISC TUBELESS READY
Spokes

F: STAINLESS DOUBLE BUTTED NDS:278mm DS:280mm / R: STAINLESS DOUBLE BUTTED NDS:272mm DS:274mm
Tires

PIRELLI PZERO ROAD TLR 700x28C

Drivetrain

Chain

KMC X12 EPT 12-SPEED
Crank

SHIMANO ULTEGRA FC-R8100-P 52/36T POWERMETER
Bottom Bracket

TOKEN T47 85.5 FOR 24mm SPINDLE
Rear Derailleur

SHIMANO ULTEGRA Di2 RD-R8150 DIRECT ATTACH
Shifters

SHIMANO ULTEGRA Di2 ST-R8170, 2x12-SPEED

Components

Brakeset

SHIMANO ULTEGRA HYDRAULIC DISC
Handlebar

LINC CARBON, W: 400mm (XXXS, XXS, XS) / 420mm (S, M) / 440mm (L, XL), BB: 31.8mm, R/D: -134.2 mm (XXXS, XXS, XS) / -138.2mm (S, M, L, XL), B/R: 92.5mm (XXXS, XXS, XS) / 89.7mm (S, M, L, XL)
Saddle

LINC FLUX2, CR-MO ø 7mm
Seatpost

CARBON AERO, DxL: AERO 35 x 351mm
Headset

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

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Geometry

Frame Size	XXXS	XXS	XS	SM	MD	LG	XL
Bottom Bracket Drop	78mm	78mm	75.5mm	73mm	73mm	71.5mm	71.5mm
Bottom Bracket Height	266mm	266mm	268.5mm	271mm	271mm	272.5mm	272.5mm
Chainstay Length	410mm	410mm	410mm	410mm	410mm	410mm	410mm
Front Center	572mm	579mm	590mm	586mm	597mm	606mm	624mm
Head Tube Angle	71°	71.3°	71.5°	72.3°	72.5°	72.8°	73°
Head Tube Length	90mm	100mm	110mm	120mm	130mm	150mm	170mm
Rake	51mm	52mm	51mm	46mm	45mm	46mm	45mm
Reach	370mm	375mm	385mm	390mm	400mm	405mm	420mm
Seat Tube Angle	75°	74.7°	74.3°	74°	73.7°	73.3°	73°
Seat Tube Length	395mm	420mm	457mm	489mm	499mm	518mm	536mm
Stack	493mm	503mm	511mm	523mm	533mm	551mm	571mm
Stack Reach Ratio	1.332	1.341	1.327	1.341	1.333	1.36	1.36
Standover Height	662mm	685mm	720mm	752mm	761mm	780mm	799mm
Top Tube Length	502mm	513mm	529mm	540mm	556mm	570mm	598mm
Trail	62mm	59mm	59mm	59mm	59mm	56mm	56mm
Wheel Kind Front	700	700	700	700	700	700	700
Wheel Kind Rear	700	700	700	700	700	700	700
Wheelbase	969mm	976mm	988mm	985mm	996mm	1005mm	1024mm

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FAQ

Q: How much is a 2025 Polygon HELIOS A8 Di2 POWERMETER?

A 2025 Polygon HELIOS A8 Di2 POWERMETER is typically priced around $5,399 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.

Q: Where to buy a 2025 Polygon HELIOS A8 Di2 POWERMETER?

The 2025 Polygon HELIOS A8 Di2 POWERMETER may be purchased directly from Polygon.

Q: What size 2025 Polygon HELIOS A8 Di2 POWERMETER should I get?

The 2025 Polygon HELIOS A8 Di2 POWERMETER comes in sizes XXXS, XXS, XS, SM, MD, LG, XL. After measuring your height, use the size chart below to find the typical Polygon HELIOS A8 Di2 POWERMETER size for your height. Remember that these sizes are a general guide and bike sizes can vary between riders and bikes. The best way to find your size is to go for a test ride.

Rider Height (cm)	Rider Height (in)	Frame Size
148cm - 158cm	4'10" - 5'2"	XS
158cm - 168cm	5'2" - 5'6"	S
168cm - 178cm	5'6" - 5' 10"	M
178cm - 185cm	5'10" - 6'1"	L
185cm - 193cm	6'1" - 6'4"	XL
193cm - 198cm	6'4" - 6'6"	XXL