Bicycle Archive · Specification report

2026 Polygon STRATTOS C8 Di2

Velopedia Archive ID 900001554

Overview

Model year	2026
Brand	Polygon
Model	STRATTOS C8 Di2
Bicycle type	Road
Archive ID	900001554
Original MSRP	$3,999.99
Colors	White
Sizes	XXS; XS; S; M; L; XL; XXL

Frameset

Frame construction	ACX All-Round
Frame material	Carbon Fiber
Fork	ACX All-Round Full Carbon
Fork material	Carbon Fiber

Drivetrain

Shifters	Shimano Ultegra Di2 ST-R8170, 2X12-Speed
Rear derailleur	Shimano Ultegra Di2 RD-R8150 Direct Attach
Crankset	Shimano Ultegra FC-R8100 50/34T
Bottom bracket	Token T47 68 for 24mm Spindle
Cassette	Shimano Ultegra CS-R8101-12 11-34T
Chain	KMC X12 EPT 12-speed

Brakes

Brakes	Shimano Ultegra Hydraulic Disc; Levers: Shimano Ultegra ST-R8170; Rotors: Shimano Ultegra CL800 F:160mm / R:160mm Center Lock

Cockpit & contact points

Headset	Integrated (IS) Sealed Bearing for OS Head Tube, IS 52/28.6 \| IS 52/40
Handlebar	Linc Carbon Integrated, W: 380mm (XXS, XS, S) / 400mm (M, L) / 420mm (XL, XXL), BB: Integrated, R/D: 125mm, B/R: 75mm
Stem	Linc Carbon Integrated, EXT: 90mm (XXS) / 100mm (XS, S) / 110mm (M, L) / 120mm (XL, XXL), BB: Integrated, R/D: 10DEGREE
Saddle	Linc Glyd, CR-MO Ø 7mm
Seatpost	Polygon Xpert Alloy, DXL: 27.2 X 350mm

Wheels & tires

Hubs	F: Alloy Thru Axle 12x100mm 24H Sealed Bearings CL, R: Alloy Thru Axle 12x142mm 24H Sealed Bearings CL
Wheels	Polygon WR4 Carbon Disc
Rims	F: Cacrbon 622-21 24H for Tyre 622-28/62 45mm Depth, Disc Tubeless Ready, R: Carbon 622-21 24H for Tyre 622-28/62 45mm Depth, Disc Tubeless Ready
Front tire	Schwalbe One Addix TLE 700x28C
Rear tire	Schwalbe One Addix TLE 700x28C

Geometry · XXS

Seat tube	400 mm
Effective top tube	497.4 mm
Head tube	100 mm
Head-tube angle	70.5°
Seat-tube angle	74.5°
Actual seat-tube angle	74.5°
Chainstay / rear center	415 mm
Wheelbase	975.1 mm
Bottom-bracket drop	76.5 mm
Bottom-bracket height	268 mm
Reach	355 mm
Stack	516.9 mm
Standover height	686.1 mm

Geometry · XS

Seat tube	430 mm
Effective top tube	507.2 mm
Head tube	115 mm
Head-tube angle	70.5°
Seat-tube angle	74.5°
Actual seat-tube angle	74.5°
Chainstay / rear center	415 mm
Wheelbase	985.1 mm
Bottom-bracket drop	76.5 mm
Bottom-bracket height	268 mm
Reach	360 mm
Stack	531.1 mm
Standover height	711.4 mm

Geometry · S

Seat tube	470 mm
Effective top tube	525.1 mm
Head tube	125 mm
Head-tube angle	71.5°
Seat-tube angle	74°
Actual seat-tube angle	74°
Chainstay / rear center	415 mm
Wheelbase	989.3 mm
Bottom-bracket drop	76.5 mm
Bottom-bracket height	267 mm
Reach	369 mm
Stack	544.3 mm
Standover height	747.4 mm

Geometry · M

Seat tube	520 mm
Effective top tube	542.4 mm
Head tube	136 mm
Head-tube angle	72°
Seat-tube angle	73.5°
Actual seat-tube angle	73.5°
Chainstay / rear center	414 mm
Wheelbase	995.2 mm
Bottom-bracket drop	74 mm
Bottom-bracket height	270.5 mm
Reach	378 mm
Stack	555 mm
Standover height	784.5 mm

Geometry · L

Seat tube	560 mm
Effective top tube	564.3 mm
Head tube	162 mm
Head-tube angle	72°
Seat-tube angle	73°
Actual seat-tube angle	73°
Chainstay / rear center	415 mm
Wheelbase	1012.3 mm
Bottom-bracket drop	74 mm
Bottom-bracket height	270.5 mm
Reach	387 mm
Stack	580 mm
Standover height	821.7 mm

Geometry · XL

Seat tube	579 mm
Effective top tube	580.97 mm
Head tube	191 mm
Head-tube angle	72°
Seat-tube angle	73°
Actual seat-tube angle	73°
Chainstay / rear center	415 mm
Wheelbase	1030.7 mm
Bottom-bracket drop	71.5 mm
Bottom-bracket height	273 mm
Reach	396 mm
Stack	605 mm
Standover height	844 mm

Geometry · XXL

Seat tube	610 mm
Effective top tube	597.61 mm
Head tube	217 mm
Head-tube angle	72°
Seat-tube angle	73°
Actual seat-tube angle	73°
Chainstay / rear center	415 mm
Wheelbase	1047.84 mm
Bottom-bracket drop	71.5 mm
Bottom-bracket height	273 mm
Reach	405 mm
Stack	630 mm
Standover height	867.9 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 13, 2026.