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Polygon Siskiu D5 - Mountain Bike
Polygon Siskiu D5 - Mountain Bike
Polygon Siskiu D5 - Mountain Bike
Polygon Siskiu D5 - Mountain Bike
Polygon Siskiu D5 - Mountain Bike
Polygon Siskiu D5 - Mountain Bike
Polygon Siskiu D5 - Mountain Bike
Polygon Siskiu D5 - Mountain Bike
Polygon Siskiu D5 - Mountain Bike
Polygon Siskiu D5 - Mountain Bike
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Description

YOUR 1st FULL-SUSPENSION

The Siskiu D5 is Polygon's do-it-all bike for riders who want to experience their first full-suspension bike for hardtail money. With 120mm of smooth suspension, 27.5" wheels, a durable frame, and modern geometry, it's ready for everything from cross-country loops to singletrack adventures.

UNLOCK TRAILS ON A BUDGET

The Siskiu D5 is designed to conquer climbs with its efficient pedaling platform and lightweight feel. But don't be fooled, it's still plenty capable on the descents, handling corners and bumps with confidence. The Siskiu D5 lets you experience the thrill of both cross-country and trail riding without breaking the bank.

A TRUSTED BRAND

Polygon is a factory-direct brand with over 30 years of experience crafting high-performance bikes at competitive prices. Vertically integrated manufacturing ensures quality and cost savings. Their mountain bikes have been tested on the world stage at events like Redbull Rampage and the World Cup circuit, boasting a 5-year frame warranty for peace of mind.

SUNTOUR XCM HLO FORK

The SR Suntour XCM HLO fork with 120mm of travel smooths out bumps for a comfortable ride. The hydraulic lockout feature lets you firm up the suspension for efficient climbing, while preload adjustability helps you dial in the perfect feel.

SUNTOUR AIR SHOCK

The SR Suntour Raidon-LO AIR rear shock provides responsive suspension for a balanced and controlled ride. The air spring can be easily adjusted to match your weight and riding style, while the lockout feature firms up the suspension for efficient pedaling.

SHIMANO HYDRAULIC DISC BRAKES

Shimano MT201 hydraulic disc brakes deliver reliable stopping power in all weather conditions. These brakes are easy to use and require less hand strength, giving you more confidence and control when you need it most.

SHIMANO ALIVIO 2X9 DRIVETRAIN

The Shimano Alivio 2x9-speed drivetrain offers a wide range of gears to tackle varied terrain, from climbs to flats. Its intuitive shifting makes it easy to find the right gear for your ride.

UPGRADE READY

Tubeless-ready rims* allow for easy conversion to tubeless tires for improved traction and fewer flats. The frame also features internal routing for a dropper seat post, enhancing control and confidence on descents.

Components

FRAMESET
FRAME
ALX XC Trail 6061 Aluminium Frame, One Piece Linkage Suspension Platform 120mm Travel, Dropper Post And Rear Derailleur Routing, Direct Post-Mount Disc Brake, 141mm BOOST QR , 73mm Threaded BB
SUSPENSION
FORK
SR Suntour XCM HLO, 120mm Travel, Preload Adjuster, Hydraulic Lockout
SHOCK
SR Suntour Raidon- LO AIR, E2E: 190X51mm, Hardware: M8x22mm
DRIVETRAIN
REAR DERAILLEUR
Shimano Alivio RD-M3100 - Direct Mount
FRONT DERAILLEUR
Shimano Alivio FD-M3120-E
SHIFTER
Shimano Alivio SL-M3100 - 18sp
CRANK
Shimano Altus FC-MT2102 36x24T Boost, 170mm
CASSETTE
Shimano CS-HG200 9-Speed, 11-36T
CHAIN
KMC X9
BRAKES
FRONT BRAKE
Shimano BR-M201, 2-Piston Caliper, Hydraulic Disc Brake, 180mm Centreline Rotor
REAR BRAKE
Shimano BR-M201, 2-Piston Caliper, Hydraulic Disc Brake, 160mm Centreline Rotor
WHEELS
REAR HUB
Entity Alloy, 32H, Center Lock, QRx141mm
RIM
Entity X15, Alloy Double Wall, 24mm Inner, 32H, Tubeless Tape Installed
TYRE
MTB Performance Tyre, 27.5x2.25”
CONTACT POINTS
HANDLEBAR
Entity Sport Alloy, 31.8mm Clamp, 780mm Width, 12mm Rise, 6° Up
SADDLE
Entity Void Saddle
SEATPOST
Entity, Alloy, 30.9x350mm
STEM
Entity Sport Alloy, 45mm Length
WEIGHT
BIKE WEIGHT
37lbs (Size L)

Specs are subject to change based on availability.

Geometry

* All lengths in mm

  S M L
Height (cm) 155-168cm 168-178cm 178-186cm
(A) Stack 571 580 589
(B) Reach 425 445 465
(C) Head Tube Angle 67° 67° 67°
(D) Head Tube Length 102 105 122
(E) Seat Tube Angle 70° 70° 68°
Seat Tube Angle 70° 70° 70°
(F) Seat Tube Length 395 435 485
(G) Top Tube Effective 572 595 617
(H) Bottom Bracket Height 326 326 326
(I) Bottom Bracket Offset 27 27 27
(J) Chainstay 432 432 432
(K) Wheel Base 1133 1157 1181
(L) Standover Height 676 696 729
Handle Bar Width 760 760 760
Stem Length 45 45 45
Crank Length 170 170 170
Front Travel 120 120 120
Rear Travel 120 120 120

Assembly

Your bike needs minor assembly before riding; use the tools and videos included.

As a guide, it'll take 10-40min depending on whether you're an experienced bike assembler or have little to no mechanical experience.

Side Note: Your cables will stretch during the initial bed-in period and must be adjusted by an experienced mechanic around 150km of riding.

Step 1

Unboxing Your Polygon Siskiu D5

Step 2

Dial In Your Suspension Setup

Step 3

Dial In Your Bike Fit

Step 4

Dial In Your Tyre Pressures

Step 5

Pre-Ride Check

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