Bicycle Archive · Specification report

2024 Polygon Siskiu HE (Bosch)

Velopedia Archive ID 900001827

Overview

Model year	2024
Brand	Polygon
Model	SISKIU HE (BOSCH)
Bicycle type	Electric-assist
Archive ID	900001827
Original MSRP	$4,199.00
Colors	Purple
Sizes	S; M; L; XL

Frameset

Frame construction	ALX E-SUV 120mm Travel
Frame material	Aluminum
Fork	SR Suntour Mobie 36 Boost, Air Spring, Equalizer,130mm Travel, Offset: 44mm, 3CR-PCS
Rear shock	SR Suntour Edge Plus 2CR, E2E: 190x45mm

Drivetrain

Shifters	SRAM SX Eagle, 1X12-Speed Trigger
Rear derailleur	SRAM NX Eagle 12-speed
Crankset	SRAM X-Sync 2 38T
Cassette	SRAM CS-PG-1210-A1 Eagle 12-speed 11-50T Cassette
Chain	SRAM SX Eagle 12-speed
Pedals	Alloy Flat W/ Replaceable PIN

Brakes

Brakes	SRAM Code-R Hydraulic; Levers: SRAM Code R; Rotors: SRAM Centerline Centerlock 200mm

Cockpit & contact points

Headset	FSA HBS-220 W/ Sealed Bearing, ZS 44/28.6 \| ZS 56/40
Handlebar	POLYGON EXPERT, W: 780mm, BB: 31.8mm, R/D: 50mm, B:9degree
Stem	Alloy Stem, EXT: 60mm, BB: 31.8mm, R/D: 5mm
Saddle	Ease, Steel Ø7mm
Seatpost	Tranz X JD-YSP23JL 150mm (S, M) / 170mm (L, XL) Travel, DXL: 30.9 X 459mm (S, M) / 499mm (L, XL)

Wheels & tires

Hubs	F: Shimano HB-TC500 15x110mm 32H CL / R: Shimano FH-TC500 12x148mm 32H CL for Cassette
Wheels	MT9 Tubeless Ready
Rims	F: Alloy Double Wall FV H:18mm 622x36 32H for Tyre 622-54/76 W/ Tubeless Tape / R: Alloy Double Wall FV H:18mm 584x36 32H for Tyre 584-54/76 W/ Tubeless Tape
Front tire	Schwalbe Hurricane F: 29"X2.40" / R: 27.5"X2.4" 622/584x62 Allround Tire TLE Addix, MAX: 29"X2.60"
Rear tire	Schwalbe Hurricane F: 29"X2.40" / R: 27.5"X2.4" 622/584x62 Allround Tire TLE Addix, MAX: 29"X2.60"

E-bike system

Motor	Bosch Performance Line CX
Battery	Bosch Power Tube 625 Horizontal

Geometry · S · High

Seat tube	385 mm
Effective top tube	577 mm
Head tube	110 mm
Head-tube angle	66.8°
Seat-tube angle	77.3°
Actual seat-tube angle	70°
Chainstay / rear center	457 mm
Wheelbase	1194 mm
Bottom-bracket drop	28 mm
Bottom-bracket height	353 mm
Reach	439 mm
Stack	612 mm
Standover height	694 mm

Geometry · M · High

Seat tube	400 mm
Effective top tube	598 mm
Head tube	110 mm
Head-tube angle	67.8°
Seat-tube angle	76.8°
Actual seat-tube angle	70°
Chainstay / rear center	457 mm
Wheelbase	1199 mm
Bottom-bracket drop	28 mm
Bottom-bracket height	353 mm
Reach	454 mm
Stack	616 mm
Standover height	697 mm

Geometry · L · High

Seat tube	430 mm
Effective top tube	637 mm
Head tube	130 mm
Head-tube angle	67.8°
Seat-tube angle	75.6°
Actual seat-tube angle	70°
Chainstay / rear center	457 mm
Wheelbase	1226 mm
Bottom-bracket drop	28 mm
Bottom-bracket height	353 mm
Reach	474 mm
Stack	635 mm
Standover height	705 mm

Geometry · XL · High

Seat tube	450 mm
Effective top tube	656 mm
Head tube	130 mm
Head-tube angle	67.8°
Seat-tube angle	76.1°
Actual seat-tube angle	70°
Chainstay / rear center	457 mm
Wheelbase	1251 mm
Bottom-bracket drop	28 mm
Bottom-bracket height	353 mm
Reach	499 mm
Stack	635 mm
Standover height	712 mm

Geometry · S · Low

Seat tube	385 mm
Effective top tube	579 mm
Head tube	110 mm
Head-tube angle	66°
Seat-tube angle	76.4°
Actual seat-tube angle	70°
Chainstay / rear center	460 mm
Wheelbase	1196 mm
Bottom-bracket drop	39 mm
Bottom-bracket height	343 mm
Reach	430 mm
Stack	618 mm
Standover height	684 mm

Geometry · M · Low

Seat tube	400 mm
Effective top tube	600 mm
Head tube	110 mm
Head-tube angle	67°
Seat-tube angle	76°
Actual seat-tube angle	70°
Chainstay / rear center	460 mm
Wheelbase	1201 mm
Bottom-bracket drop	39 mm
Bottom-bracket height	343 mm
Reach	445 mm
Stack	623 mm
Standover height	686 mm

Geometry · L · Low

Seat tube	430 mm
Effective top tube	630 mm
Head tube	130 mm
Head-tube angle	67°
Seat-tube angle	75.6°
Actual seat-tube angle	70°
Chainstay / rear center	460 mm
Wheelbase	1228 mm
Bottom-bracket drop	39 mm
Bottom-bracket height	343 mm
Reach	465 mm
Stack	641 mm
Standover height	694 mm

Geometry · XL · Low

Seat tube	450 mm
Effective top tube	658 mm
Head tube	130 mm
Head-tube angle	67°
Seat-tube angle	75.3°
Actual seat-tube angle	70°
Chainstay / rear center	460 mm
Wheelbase	1253 mm
Bottom-bracket drop	39 mm
Bottom-bracket height	343 mm
Reach	490 mm
Stack	641 mm
Standover height	700 mm

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