Details
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.
Specs
| 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 | |
| Front hub | Entity Alloy, 32H, Center Lock QRx100mm |
| 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) |
Geo
* All lengths in mm
| S | M | L | |
| Height (cm) | 5'1"–5'6" | 5'6"–5'10" | 5'10"–6'1" |
| (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 |
Build
Polygon Siskiu D5 Assembly Video
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.
Unboxing Your Polygon Siskiu D5
Dial In Your Suspension Setup
Dial In Your Bike Fit
Dial In Your Tyre Pressures
Pre-Ride Check