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SISKIU N
Polygon Siskiu N series is an aluminum full suspension enduro bike with a combination of parts and technology design to be ready to be ridden in the most demanding of conditions. An aggressive, agile, and fast bike for the rider who wants to defeat their personal limitations all-day in the mountains to the local trails.
All models of Siskiu N are built around a lightweight aluminum frame adopting the new Boost Hub standards, with 170mm(27.5″) and 160mm(29″) suspension fork travel and utilizing a FAUX BAR rear suspension system, keeping the frame weight down while reinforcing high-stress areas and reducing flex under heavy loads. The rear swing triangle also features a unibody pivot bridge that stiffens the rear wheel and reduces lateral forces on the rear shock when under load. The frame is finished off with a tapered headset, rear thru axle, internal routing for gears and 125mm (S-M)/150mm(L-XL) dropper post. The Polygon Siskiu N is equipped with a no-worries and durable SRAM GX or SRAM NX 1x drivetrain that further improving the bike’s performance. Those combinations are resulting a bike that does not compromise; efficient when pedaling uphill, precise handling, and stable to beat any descents.
SPECIFICATIONS
| FRAME | ALX AM / ENDURO 170MM TRAVEL (27.5”) / 160MM TRAVEL (29”), TAPER H/T |
|---|---|
| FORK | FOX 36 RHYTHM BOOST 15X110MM, 170MM (27.5”) / 160MM (29”) |
| REAR SHOCK | FOX PERFORMANCE FLOAT DPX2 E2E:205X65 TRUNNION |
| HANDLEBAR | ENTITY XPERT, ALLOY |
| STEM | ENTITY XPERT, ALLOY |
| HEADSET | ZS 44/28.6 | ZS 56/40 |
| SADDLE | ENTITY ASSAULT |
| SEATPOST | EXA FORM DRIVE SI 125MM(S-M) 150MM (L-XL) TRAVEL, ZERO OFFSET, 30.9MM |
| CRANKSET | TRUVATIV DESCENDANT 6K ALUMINUM EAGLE 32T NARROW-WIDE BOOST |
| BOTTOM BRACKET | SRAM DUB BSA |
| PEDAL | ALLOY |
| CHAIN | KMC X-12 |
| CASSETTE SPROCKET | SRAM XG 1275 EAGLE 12-SPEED 10-50T |
| REAR DERAILEUR | SRAM GX EAGLE 12-SPEED |
| SHIFTING LEVER | SRAM GX EAGLE 12-SPEED |
| BRAKE LEVER | TRP SLATE |
| FRONT BRAKE | TRP SLATE 4-PISTON |
| REAR BRAKE | TRP SLATE 4-PISTON |
| TYRE | SCHWALBE MAGIC MARRY 27.5”X2.60” / 29”X2.35” |
| WHEELSET | ENTITY XL2 DISC 29-584 (27.5”) / 29-622 (29”) |
| FRAME | ALX AM / ENDURO 170MM TRAVEL (27.5”) / 160MM TRAVEL (29”), TAPER H/T |
|---|---|
| FORK | ROCKSHOX YARI RC SOLO AIR BOOST 15X110MM, 170MM (27.5”) / 160MM (29”) TRAVEL |
| REAR SHOCK | FOX PERFORMANCE FLOAT DPX2, 3 POS LEVER, LV EVOL |
| HANDLEBAR | ENTITY XPERT, ALLOY W:780MM R:12MM BB:31.8MM |
| STEM | ENTITY XPERT, ALLOY E:45MM R:7DEG BB:31.8MM |
| HEADSET | ZS 44/28.6 | ZS 56/40 |
| SADDLE | ENTITY ASSAULT |
| SEATPOST | EXA FORM DRIVE SI 125MM(S-M) 150MM (L-XL) TRAVEL, ZERO OFFSET, 30.9MM |
| CRANKSET | TRUVATIV DESCENDANT 6K ALUMINUM 12-SPEED 32T NARROW-WIDE |
| BOTTOM BRACKET | SRAM DUB BSA |
| PEDAL | ALLOY |
| CHAIN | KMC X-12 |
| CASSETTE SPROCKET | CS NX 1230 EAGLE 12-SPEED 11-50T |
| REAR DERAILEUR | SRAM NX EAGLE 12-SPEED |
| SHIFTING LEVER | SRAM NX EAGLE 12-SPEED |
| BRAKE LEVER | TEKTRO ORION |
| FRONT BRAKE | TEKTRO HD-M745 4 PISTON |
| REAR BRAKE | TEKTRO HD-M745 4 PISTON |
| TYRE | SCHWALBE MAGIC MARRY 27.5”X2.60” / 29”X2.35” |
| WHEELSET | ENTITY XL2 DISC 35-584 (27.5”) / 29-622 (29”) |
| A | B | C | D | E | F | G | H | I | J | K | L | M | |
| Size | Seat Tube Length | Seat Tube Angle | Effective Seat Tube Angle | Head Tube Length | Head Tube Angle | Effective Top Tube | BB Height | BB Offset | Chainstay Length | Wheelbase | Frame Reach | Frame Stack | Standover Height |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S (27.5″) | 400 | 71.5 | 75 | 100 | 65.5 | 563.8 | 355 | 5 DROP | 435 | 1153.9 | 405 | 592.7 | 720.7 |
| M (27.5″) | 430 | 71.5 | 75 | 100 | 65.5 | 593.8 | 355 | 5 DROP | 435 | 1183.9 | 435 | 592.7 | 718.8 |
| M(29″) | 430 | 69.5 | 75 | 90 | 65.5 | 600.1 | 343.5 | 33 DROP | 439.4 | 1194.9 | 435 | 616.1 | 720 |
| L (29″) | 470 | 69.5 | 75 | 102 | 65.5 | 624.5 | 343.5 | 33 DROP | 439.4 | 1221.1 | 456.6 | 626.1 | 743.1 |
| XL (29″) | 520 | 69.5 | 75 | 115 | 65.5 | 656.2 | 343.5 | 33 DROP | 439.4 | 1255.3 | 485 | 638.8 | 773.7 |
TECHNOLOGY
BOOST SYSTEM
The Hub Boost System allows for wider flanges and stronger spoke tensions to be used, adding lateral stiffness to the rim and improving bike handling.
FAUX Bar Suspension System
Polygon’s FAUX BAR suspension system on the Siskiu N was created to give you a bomb-proof design that will require a lot less servicing and maintenance, thus allowing you spend more time on the saddle. FAUX BAR bikes are built with a longer rear shock stroke that allows for more progressive bump reading, allowing the bike to track the trail better and give you a smoother ride when it gets rough.
One Piece Linkage
Provided with one piece linkage to boosting the optimization of the suspension and increases stiffness while decreases weight.
Tapered Headtube
A Tapered Headtube allows for a broader contact area between the frame and fork, greatly improving bike handling and front wheel stiffness, important when you’re railing berms at high speed. Using an oversize headtube, designers were able to optimize welding points between the downtube, toptube and headtube to create an unyielding front end.
Wheel Fit Size System
The Polygon Wheel Fit Size System assures each frame size is paired with a wheel size that perfectly fits the rider’s height for better efficiency and optimal riding experience. This allowed us to concentrate on what the bike should feel like on the trails, guaranteeing a consistent riding experience for all riders. Small and Medium frames are paired with 27.5” wheels, whilst Medium, Large and XL frames use 29“ wheels.
Tubeless Ready Wheelset
The Entity XL2 rims are ready to be converted into tubeless, enhancing grip and comfort when running low pressures on rougher trails.