Polygon Siskiu D7 - Mountain Bike [New] - full suspension mountain bike
Polygon Siskiu D7 - Mountain Bike [New] - full suspension mountain bikes product image 2
Polygon Siskiu D7 - Mountain Bike [New] - dual suspension mountain bike product image 3
Polygon Siskiu D7 - Mountain Bike [New] - full suspension mountain bike product image 4
Polygon Siskiu D7 - Mountain Bike [New] - full suspension mountain bikes product image 5
Polygon Siskiu D7 - Mountain Bike [New] - dual suspension mountain bike product image 6
Polygon Siskiu D7 - Mountain Bike [New] - full suspension mountain bike product image 7
Polygon Siskiu D7 - Mountain Bike [New] - full suspension mountain bikes product image 8
Polygon Siskiu D7 - Mountain Bike [New] - dual suspension mountain bike product image 9
Polygon Siskiu D7 - Mountain Bike [New] - full suspension mountain bike product image 10
Polygon Siskiu D7 - Mountain Bike [New] - full suspension mountain bikes product image 11
Polygon Siskiu D7 - Mountain Bike [New] - dual suspension mountain bike product image 12
Polygon Siskiu D7 - Mountain Bike [New] - full suspension mountain bike product image 13
Polygon Siskiu D7 - Mountain Bike [New] - full suspension mountain bikes product image 14
Polygon Siskiu D7 - Mountain Bike [New] - dual suspension mountain bike product image 15
Polygon Siskiu D7 - Mountain Bike [New] - full suspension mountain bike product image 16

Details

YOUR RIDE, YOR RULES

YOUR RIDE, YOR 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

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

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

INDUSTRY REVIEWS

"Whether you're just getting into the sport or upgrading to your first full-suspension bike, we feel this is one of the best values out there. The Siskiu D7 performs much better than we expected, with a slick aluminum frame, modern trail riding geometry, and quality components like a dropper post—all at a budget-friendly price."

SHIMANO CUES 1X11 DRIVETRAIN
SHIMANO CUES 1X11 DRIVETRAIN Boasting a massive 11-50T cassette, rivalling the range of many 1x12 systems. Enjoy the simplicity and reduced weight of a 1x setup, plus smoother shifting and improved chain retention compared to traditional 2x drivetrains.
ROCKSHOX RECON FORK
ROCKSHOX RECON FORK One of the most underrated performers in the RockShox range. It packs a massive punch with its air spring design, 120mm travel, adjustable rebound, and compression dials for fine-tuning.
ROCKSHOX DELUXE SELECT+ SHOCK
ROCKSHOX DELUXE SELECT+ SHOCK The DebonAir air spring offers easy air adjustment to match rider weight and riding style and impressive suppleness. It features external rebound and compression adjustment for on-the-fly fine-tuning, and the ability to tune progression with volume spacers.
ONE-PIECE LINK
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.
DROPPER POST
DROPPER POST Featuring 150mm of drop for smaller frames and 170mm for larger frames, a dropper post allows riders to quickly lower their saddle for improved maneuverability and control on descents.
Any questions? Chat to our friendly team
Specs
frameset
FrameALX XC Trail Frame, 120mm Travel, Internal Routed Gear & Dropper Cables, Tapered Headtube, 73mm Threaded Boost BB, 148x12mm Boost Thru-Axle
HeadsetThreadless Tapered Zero Stack; ZS 44/28.6 | ZS 56/40
suspension
ForkRockshox Recon Silver RL, Air Spring, Travel:120mm, Lockout, Rebound Adjust, 15x110mm
ShockRockshox Deluxe Select Plus,Air Spring, Lockout, Rebound Adjust, E2E 190x45mm, M8x25mm Hardware
drivetrain
Rear derailleurShimano CUES RD-U6000-GS Direct Attach 11-Speed
ShifterShimano CUES SL-U6000-11R 11-Speed Trigger
CrankProwheel RMZ-MD25S-TT Two-Piece-Crank, Crank Length: 170mm (S, M) / 175mm (L, XL)
Chainring32T
CassetteShimano CUES CS-LG400 11-50T 11-Speed
ChainKMC XGLIDE
brakes
Front brakeShimano MT201 Hydraulic Disc Brake
Rear brakeShimano MT201 Hydraulic Disc Brake
RotorShimano SM-RT30 F: 180mm R: 160mm, Center-Lock
wheels
Front hubShimano HB-TC500-15-B Thru Axle 15x110mm 32H Center Lock
Rear hubShimano FH-TC500-HM Thru-Axle 12X148mm 32H Center Lock
RimAlloy Double Wall, 30mm Internal Width, Tubeless Ready **
TyreWTB Trail Boss COMP, Wire Bead, 27.5x2.25" / 29x2.25" ***
Max tyre size27.5/29x2.40"
contact points
HandlebarPolygon Expert Alloy, 780mm
GripsEntity lock on
SaddleLinc Void Saddle, Steel ø 7mm
SeatpostTranz X Dropper 150mm
StemPolygon Expert, Alloy 40mm
PedalsIncluded
Geo

  S M M L XL
Height (cm) 5'1" - 5'6" 5'6" - 5'10" 5'7" - 5'11" 5'11" - 6'2" 6'2" - 6'5"
(A) Stack 571 580 607 616 625
(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 676 696 698 733 761
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

* All lengths in mm

Build

How to Unbox Your Polygon Siskiu D7

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.

  1. How to Unbox Your Polygon Siskiu D7

  2. How To Setup Your Suspension

  3. Dial In Your Bike Fit

  4. Dial In Your Tyre Pressures

  5. Pre-Ride Check