Bicycle Archive · Specification report

2026 Polygon Cascade 4

Velopedia Archive ID 900001786

Overview

Model year	2026
Brand	Polygon
Model	CASCADE 4
Bicycle type	Mountain
Archive ID	900001786
Original MSRP	$479.00
Colors	Charcoal; CHARCOAL CHROME
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 XCM 32 100mm Travel

Drivetrain

Shifters	Shimano Cues SL-U4010, 1X9-Rapid Fire
Rear derailleur	Shimano Cues RD-U4000GS
Crankset	Prowheel C10Y-NW, 36T
Bottom bracket	Square BB, 68mm
Cassette	Shimano Cues CS-LG300, 11-46T
Chain	KMC X-Glide
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	Polygon Sport 27.2 X 350mm

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 · XS (27.5")

Seat tube	360 mm
Effective top tube	538 mm
Head tube	110 mm
Head-tube angle	68°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	440 mm
Wheelbase	1085 mm
Bottom-bracket drop	45 mm
Bottom-bracket height	310 mm
Reach	380 mm
Stack	596 mm
Standover height	684 mm

Geometry · S (27.5")

Seat tube	390 mm
Effective top tube	561 mm
Head tube	115 mm
Head-tube angle	67°
Seat-tube angle	74°
Actual seat-tube angle	75°
Chainstay / rear center	439 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	74°
Actual seat-tube angle	75°
Chainstay / rear center	439 mm
Wheelbase	1129 mm
Bottom-bracket drop	45 mm
Bottom-bracket height	310 mm
Reach	420 mm
Stack	606 mm
Standover height	734 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	74°
Actual seat-tube angle	75°
Chainstay / rear center	439 mm
Wheelbase	1151 mm
Bottom-bracket drop	45 mm
Bottom-bracket height	310 mm
Reach	440 mm
Stack	610 mm
Standover height	755 mm

Geometry · S (29")

Seat tube	390 mm
Effective top tube	566 mm
Head tube	90 mm
Head-tube angle	67°
Seat-tube angle	75°
Actual seat-tube angle	75°
Chainstay / rear center	455 mm
Wheelbase	1122 mm
Bottom-bracket drop	69 mm
Bottom-bracket height	304 mm
Reach	400 mm
Stack	620 mm
Standover height	709 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	454 mm
Wheelbase	1142 mm
Bottom-bracket drop	69 mm
Bottom-bracket height	303 mm
Reach	420 mm
Stack	624 mm
Standover height	736 mm

Geometry · L (29")

Seat tube	460 mm
Effective top tube	604 mm
Head tube	100 mm
Head-tube angle	68°
Seat-tube angle	74°
Actual seat-tube angle	75°
Chainstay / rear center	454 mm
Wheelbase	1161 mm
Bottom-bracket drop	69 mm
Bottom-bracket height	303 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 September 14, 2026.