Bicycle Archive · Specification report

2026 Polygon Cascade 3

Velopedia Archive ID 900001785

Overview

Model year	2026
Brand	Polygon
Model	CASCADE 3
Bicycle type	Mountain
Archive ID	900001785
Original MSRP	$399.00
Colors	Red
Sizes	27.5" XS; 27.5” SM; 27.5” MD; 27.5" LG; 29" SM; 29” MD; 29” LG; 29” XL

Frameset

Frame construction	ALX XC Sport Frame
Frame material	Aluminum
Fork	Suntour XCE 28 100mm Travel

Drivetrain

Shifters	Shimano Altus SL-M315, 1X8-Speed Trigger
Rear derailleur	Shimano Essa RD-U2000
Crankset	Prowheel C10Y, 36T
Bottom bracket	Square BB, 68mm
Cassette	Shimano CS-HG400, 11-45T
Chain	KMC Z-8.3
Pedals	One Piece PP Body

Brakes

Brakes	HYDRAULIC DISC BRAKE; Levers: HYDRAULIC DISC BRAKE; Rotors: 6-BOLTS 160mm

Cockpit & contact points

Headset	Zero Stack W/ Sealed Bearing, ZS 44/28.6 \| ZS 44/30
Handlebar	Polygon Sport W: 700mm, B: 31.8mm, R/D: 20mm
Stem	Polygon Sport E: 40mm, B: 31.8mm, R/D: 7
Saddle	Black Steel Ø7mm
Seatpost	Alloy Seatpost 27.2X350mm

Wheels & tires

Hubs	F: Alloy, 100mm 32H QR / R: Alloy, 135mm 32H QR
Wheels	Alloy Double Wall
Rims	Alloy Double Wall
Front tire	27.5" / 29"x2.25"
Rear tire	27.5" / 29"x2.25"

Geometry · S (27.5")

Seat tube	390 mm
Effective top tube	561 mm
Head tube	115 mm
Head-tube angle	68°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	440 mm
Wheelbase	1108 mm
Bottom-bracket drop	45 mm
Bottom-bracket height	310 mm
Reach	400 mm
Stack	601 mm
Standover height	703 mm

Geometry · M (27.5″)

Seat tube	430 mm
Effective top tube	582 mm
Head tube	120 mm
Head-tube angle	68°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	440 mm
Wheelbase	1129 mm
Bottom-bracket drop	45 mm
Bottom-bracket height	310 mm
Reach	420 mm
Stack	606 mm
Standover height	733 mm

Geometry · L (27.5″)

Seat tube	460 mm
Effective top tube	603 mm
Head tube	125 mm
Head-tube angle	68°
Seat-tube angle	73°
Actual seat-tube angle	75°
Chainstay / rear center	440 mm
Wheelbase	1151 mm
Bottom-bracket drop	45 mm
Bottom-bracket height	310 mm
Reach	440 mm
Stack	610 mm
Standover height	756 mm

Geometry · S (29″)

Seat tube	390 mm
Effective top tube	566 mm
Head tube	90 mm
Head-tube angle	68°
Seat-tube angle	74°
Actual seat-tube angle	75°
Chainstay / rear center	455 mm
Wheelbase	1142 mm
Bottom-bracket drop	69 mm
Bottom-bracket height	304 mm
Reach	420 mm
Stack	624 mm
Standover height	737 mm

Geometry · M (29″)

Seat tube	430 mm
Effective top tube	585 mm
Head tube	95 mm
Head-tube angle	68°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	455 mm
Wheelbase	1142 mm
Bottom-bracket drop	69 mm
Bottom-bracket height	303 mm
Reach	420 mm
Stack	624 mm
Standover height	737 mm

Geometry · L (29″)

Seat tube	460 mm
Effective top tube	604 mm
Head tube	100 mm
Head-tube angle	68°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	455 mm
Wheelbase	1161 mm
Bottom-bracket drop	69 mm
Bottom-bracket height	304 mm
Reach	440 mm
Stack	629 mm
Standover height	759 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 10, 2026.