Velopedia Bicycle Archive

2024 Polygon Siskiu HE (Shimano)

Electric-assist bicycle from the Velopedia specification archive.

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What Velopedia knows

Model year
2024
Category
Mountain
Original MSRP
$2,999.00
Sizes
S, M, L, XL
Colors
White
Geometry
8 manufacturer sizes · Geometry context
Record coverage
23 preserved details · archived image · original MSRP · preserved geometry
Archive ID
900001825
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Manufacturer catalog

Published sizes and colors

4 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SMLXL

Published colors

White

Frameset

Frame ConstructionALX E-SUV 120mm Travel
Frame MaterialAluminum
ForkSR Suntour XCR 34, Air Spring,130mm Travel, Offset: 51mm, W/ Preload Adjuster,LOW Speed Rebound,W/ Lock OUT
Rear ShockSR Suntour Edge Plus 2CR, E2E: 190x45mm

Drivetrain

ShiftersShimano Cues SL-U6000-R, 1X10-Speed Trigger
Rear DerailleurShimano Cues RD-U6000 10-speed
CranksetShimano SM-CRE70-B 34T
CassetteShimano Cues CS-LG300-10 10-speed 11-48T Cassette
ChainKMC Eglide 9/10/11-speed
PedalsAlloy Flat W/ Replaceable PIN

Brakes

BrakesShimano Hydraulic; Levers: Shimano BR-M420; Rotors: Shimano F: SM-RT64 203 CL / R: RT-EM600 203 CL

Cockpit & Contact Points

HeadsetFSA HBS-220 W/ Sealed Bearing, ZS 44/28.6 | ZS 56/40
HandlebarPOLYGON EXPERT, W: 780mm, BB: 31.8mm, R/D: 50mm, B: 9degree
StemPolygon Expert, EXT: 40mm, BB: 31.8mm, R/D: 0mm
SaddlePolygon Void, Steel Ø7mm
SeatpostTranz X JD-YSP23JL 150mm (S, M) / 170mm (L, XL) Travel, DXL: 30.9 X 459mm (S, M) / 499mm (L, XL)

Wheels & Tires

HubsF: Shimano TC500 15x110mm 32H CL / R: Shimano TC500 12x148mm 32H CL for Cassette
WheelsXL2 Tubeless Ready
RimsF: Alloy Double Wall H:17.5mm W: 35mm 622-35 32H for Tyre 622-54/76 TL Ready / R: Alloy Double Wall H:17.5mm W: 35mm 584-35 32H for Tyre 622-54/76 TL Ready
Front TireSchwalbe Hurricane F: 29"X2.40" / R: 27.5"X2.4" 622/584x62 Allround Tire TLE Addix
Rear TireSchwalbe Hurricane F: 29"X2.40" / R: 27.5"X2.4" 622/584x62 Allround Tire TLE Addix

E-bike System

MotorShimano DU-EP600 MID Motor 45 KPH / 28MPH, Continuous Rated Power 250WATT, Maximum Torque 85Nm
BatteryShimano BT-EN805-L for Down Tube Integrated - 504Wh (36V, 14Ah)

Size-specific frame data

Geometry

8 sizes · 13 measurements

Manufacturer-published geometry normalized for consistent archival comparison. Effective top tube and reach remain separate measurements because they describe different aspects of fit.

MeasurementS · HighM · HighL · HighXL · HighS · LowM · LowL · LowXL · Low
Seat tube385 mm400 mm430 mm450 mm385 mm400 mm430 mm450 mm
Effective top tube577 mm598 mm637 mm656 mm579 mm600 mm630 mm658 mm
Head tube110 mm110 mm130 mm130 mm110 mm110 mm130 mm130 mm
Head-tube angle66.8°67.8°67.8°67.8°66°67°67°67°
Seat-tube angle77.3°76.8°75.6°76.1°76.4°76°75.6°75.3°
Actual seat-tube angle70°70°70°70°70°70°70°70°
Chainstay / rear center457 mm457 mm457 mm457 mm460 mm460 mm460 mm460 mm
Wheelbase1194 mm1199 mm1226 mm1251 mm1196 mm1201 mm1228 mm1253 mm
Bottom-bracket drop28 mm28 mm28 mm28 mm39 mm39 mm39 mm39 mm
Bottom-bracket height353 mm353 mm353 mm353 mm343 mm343 mm343 mm343 mm
Reach439 mm454 mm474 mm499 mm430 mm445 mm465 mm490 mm
Stack612 mm616 mm635 mm635 mm618 mm623 mm641 mm641 mm
Standover height694 mm697 mm705 mm712 mm684 mm686 mm694 mm700 mm

Geometry source: Polygon first-party metric geometry table ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.

Geometry tools

Analyze a published size

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The manufacturer publishes more than one geometry configuration. Velopedia analyzes each labeled state separately while treating them as one chassis in archive comparisons.

S geometry

Configuration

Archive context: The seat angle of 77.3° sits toward the steeper end. The chainstay of 457 mm sits somewhat longer than typical. Its reach of 439 mm sits somewhat longer than typical.

Compared with 97 distinct electric-assist geometries in the Small-equivalent size cohort from model years 2022–2026 in the Velopedia archive.
Want to go deeper?Open this exact published size and configuration in the Velopedia Geometry Analyzer, then complete any measurements the manufacturer did not provide.
Analyze S · High geometry

Parts & serviceability

Find replacement parts

3 top part searches
CassetteShimano Cues CS-LG300-10 10-speed 11-48T CassetteExact archived model
CranksetShimano SM-CRE70-B 34TNamed archived component — verify exact version
Rear derailleurShimano Cues RD-U6000 10-speedExact archived model
More qualified parts (1)
ShiftersShimano Cues SL-U6000-R, 1X10-Speed TriggerExact archived model

Searches use the archived manufacturer specification, not the components currently installed on a particular bicycle. Confirm the exact model, size and fit before ordering. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Commercial relationships do not influence Archive specifications or analysis.

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Used-bike inspection

If you’re buying this bike used

Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.

Follow the full used-bike inspection order →
  • FrameLook closely for dents and hairline cracks around welds, the head tube and bottom-bracket area. Cosmetic scratches matter less than a change in shape or a crack line.Inspect the frame and fork →
  • BrakesTest each brake separately and confirm it stops firmly and releases cleanly. Inspect the pads and braking surfaces for wear or contamination, and check the cables or hoses for damage.Inspect the brakes →
  • E-bike systemConfirm the main battery charges with the correct charger, locks securely into its mount and has no case damage, swelling, corrosion or overheating marks. Power the bike on from cold, test every assist mode and ask for available battery-health and diagnostic records.Check the battery and electronics →
  • SuspensionAsk when the fork and shock were last serviced. Check the stanchions for damage, look for oil at the seals, cycle both units through their travel and test the suspension pivots for play.Evaluate the suspension →
  • Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads. If it is set up tubeless, confirm both tires hold pressure and ask when the sealant was last refreshed.Check wheels and tires →
Bike-specific inspection checklist 27 checks based on 7 archived component groups Open checklistClose checklist
0 of 27 checked Progress stays in this browser for this bike.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2024 Polygon Siskiu HE (Shimano) · Electric-assist · Published sizes: S, M, L, XL

Archived: Frame: ALX E-SUV 120mm TRAVEL · Fork: SR SUNTOUR XCR 34, AIR SPRING,130mm TRAVEL, OFFSET: 51mm, W/ PRELOAD ADJUSTER,LOW SPEED REBOUND,W/ LOCK OUT

Archived: Fork: SR SUNTOUR XCR 34, AIR SPRING,130mm TRAVEL, OFFSET: 51mm, W/ PRELOAD ADJUSTER,LOW SPEED REBOUND,W/ LOCK OUT · Rear shock: SR SUNTOUR EDGE PLUS 2CR, E2E: 190x45mm

Archived: Shifters: SHIMANO CUES SL-U6000-R, 1X10-SPEED TRIGGER · Rear derailleur: SHIMANO CUES RD-U6000 10-SPEED · Crankset: SHIMANO SM-CRE70-B 34T · Cassette: SHIMANO CUES CS-LG300-10 10-SPEED 11-48T CASSETTE · Chain: KMC EGLIDE 9/10/11-SPEED

Archived: Brakes: SHIMANO HYDRAULIC; Levers: SHIMANO BR-M420; Rotors: SHIMANO F: SM-RT64 203 CL / R: RT-EM600 203 CL

Archived: Wheels: XL2 TUBELESS READY · Rims: F: ALLOY DOUBLE WALL H:17.5mm W: 35mm 622-35 32H FOR TYRE 622-54/76 TL READY / R: ALLOY DOUBLE WALL H:17.5mm W: 35mm 584-35 32H FOR TYRE 622-54/76 TL READY · Hubs: F: SHIMANO TC500 15x110mm 32H CL / R: SHIMANO TC500 12x148mm 32H CL FOR CASSETTE · Front tire: SCHWALBE HURRICANE F: 29"x2.40" / R: 27.5"x2.4" 622/584x62 ALLROUND TIRE TLE ADDIX · Rear tire: SCHWALBE HURRICANE F: 29"x2.40" / R: 27.5"x2.4" 622/584x62 ALLROUND TIRE TLE ADDIX

Controls and contact points

Archived: 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: POLYGON EXPERT, EXT: 40mm, BB: 31.8mm, R/D: 0mm · Seatpost: TRANZ X JD-YSP23JL 150mm (S, M) / 170mm (L, XL) TRAVEL, DxL: 30.9 x 459mm (S, M) / 499mm (L, XL) · Saddle: POLYGON VOID, STEEL ø7mm · Pedals: ALLOY FLAT W/ REPLACEABLE PIN

Archived: Motor: SHIMANO DU-EP600 MID MOTOR 45 kph / 28mph, CONTINUOUS RATED POWER 250Watt, MAXIMUM TORQUE 85Nm · Battery: SHIMANO BT-EN805-L FOR DOWN TUBE INTEGRATED - 504Wh (36V, 14Ah)

Before and during the test ride

Follow the full used-bike inspection order →

Build relationships are limited to the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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