- Home
- Bikes
- Mountain
- Dual Suspension Mountain Bikes
- Polygon Siskiu D6 SE - Mountain Bike


























Description

YOUR RIDE, YOUR RULES
The perfect full-suspension mountain bike for riders of all levels. Whether you're new to the sport or seeking a playful and efficient bike, the Siskiu D delivers. With 120mm off travel, a durable frame, and modern geometry, it effortlessly handles everything from cross-country loops to flowy descents, providing a confident and enjoyable ride for all.

VALUE MEETS PERFORMANCE
The Siskiu D is designed to conquer climbs with its wide-range 1x drivetrain and efficient pedaling platform. It's also equipped with a dropper post for added maneuverability on the descents, giving you confidence on the descents. With quality air suspension and modern geometry, the Siskiu D delivers a capable and affordable ride.

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.

INDUSTRY REVIEWS
“Quality-spec brakes and drivetrain for price; good-looking; equipped with a dropper post” - BikeRadar

ONE-PIECE LINK
Sometimes simple is better! The linkage-actuated single pivot offers active and progressive suspension making for a supple ride on technical sections and a playful ride on flow trails, while the one-piece pivot bridge reduces flex and saves weight.

SUNTOUR SUSPENSION
The Suntour XCM Boost fork and Raidon LO shock offer 120mm of travel, with adjustable rebound and lockout on the fork and air pressure and lockout adjustment on the shock to dial in the perfect ride for your weight and riding style.

SHIMANO DEORE 1X10 DRIVETRAIN
The Shimano Deore 1x10 drivetrain offers a wide 11-42T cassette range and crisp, reliable shifting, ensuring you always have the right gear for any situation. The Shadow Plus derailleur enhances chain retention for a quieter and more secure ride.

DROPPER POST
The TranzX Dropper Post offers versatile travel options with 150mm for smaller frames and 170mm for larger frames, allowing riders to quickly lower their saddle for improved maneuverability and control on descents.

SHIMANO HYDRAULIC DISC BRAKES
Shimano MT200 hydraulic disc brakes provide powerful and consistent stopping power, giving you confidence and control on descents and technical trails.
Components
FRAMESET
SUSPENSION
DRIVETRAIN
BRAKES
WHEELS
CONTACT POINTS
WEIGHT
Specs are subject to change based on availability.
Geometry
S | M | M | L | XL | |
Height (cm) | 155-168cm | 168-177cm | 171-180cm | 180-188cm | 188-196cm |
(A) Stack | 571.2 | 580.4 | 606.7 | 615.9 | 625.2 |
(B) Reach | 425 | 445 | 445 | 465 | 485 |
(C) Head Tube Angle | 67° | 67° | 67° | 67° | 67° |
(D) Head Tube Length | 102 | 105 | 102 | 112 | 122 |
(E) Seat Tube Angle | 70° | 70° | 68° | 68° | 68° |
Seat Tube Angle Effective | 75° | 75° | 76° | 76° | 76° |
(F) Seat Tube Length | 395 | 435 | 435 | 487 | 522 |
(G) Top Tube Effective | 572 | 595 | 603 | 624 | 646 |
(H) Bottom Bracket Height | 326 | 326 | 326 | 326 | 326 |
(I) Bottom Bracket Offset | 27 | 27 | 47 | 47 | 47 |
(J) Chainstay | 432 | 432 | 436 | 436 | 436 |
(K) Wheel Base | 1133 | 1157 | 1165 | 1189 | 1213 |
(L) Standover Height | 571.2 | 580.4 | 606.7 | 615.9 | 625.2 |
Handle Bar Width | 760 | 760 | 760 | 760 | 760 |
Stem Length | 45 | 45 | 45 | 45 | 45 |
Crank Length | 170 | 170 | 170 | 170 | 170 |
Front Travel | 120 | 120 | 120 | 120 | 120 |
Rear Travel | 120 | 120 | 120 | 120 | 120 |
Dropper Travel | 150 | 150 | 170 | 170 | 170 |
Maximum Tyre size | 27.5"x2.25" / 29"x2.25" | ||||
Maximum Chainring Size | Single 38T, Double 36/24T |
Assembly
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 D6 SE
Dial In Your Suspension Setup
Dial In Your Bike Fit
Dial In Your Tyre Pressures
Pre-Ride Check
Unboxing Your Polygon Siskiu D6 SE
Dial In Your Suspension Setup
Dial In Your Bike Fit
Dial In Your Tyre Pressures
Pre-Ride Check
