New arrival
New arrival

2026 Polygon Siskiu D5 LG

By Polygon
$1,299.00 CAD
503397001
Color: Cream Orange
Size
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Description

SISKIU D: Full Suss Package with Real Performance

Cross-Country | 120mm Travel | ALX Alloy | 29" Wheels

The SISKIU D is the ideal full-suspension mountain bike for riders of all levels. Whether you're just starting out or looking for a natural and progressive upgrade, this bike has you covered. With 120mm of travel, a durable alloy frame, and modern geometry it delivers genuine performance without blowing the budget.
Technical Specifications

Frameset

  • Frameset: ALX XC TRAIL FRAME
  • Fork: SUNTOUR XCM HLO, 120MM TRAVEL
  • Rear Shock: SUNTOUR RAIDON LO AIR, E2E: 190x51MM
  • Frame Color: RED - BLACK
  • Decal Color: NICKEL - DAVY GREY

Drivetrain

  • Shifter: SHIMANO SL-M3100, 2x9-SPEED TRIGGER
  • Crank: SHIMANO FC-MT210 36/22T TWO PIECE CRANK, 170MM
  • Cassette: SHIMANO CS-HG200 11-34T 9-SPEED
  • Rear Derailleur: SHIMANO RD-M3100 DIRECT ATTACH 9-SPEED
  • BB: BSA THREADED 68/73MM
  • Chain: KMC X9
  • Pedal: ALLOY CAGE PEDAL W/ REFLECTOR

Cockpit

  • Saddle: ENTITY VOID SADDLE, ø 7mm
  • Seatpost: ENTITY SPORT ALLOY, DXL: 30.9x350MM
  • Handlebar: ENTITY SPORT ALLOY, W: 760MM, BB: 31.8MM, R/D: 12MM, B: 0DEGREE
  • Handlestem: ENTITY SPORT ALLOY, E: 45MM, B: 31.8MM, R/D: 0DEGREE
  • Headset: THREADLESS ZERO STACK HEADSET, ZS 44/28.6 | ZS 56/30

Wheel & Tire

  • Wheel Set: ALLOY DOUBLE WALL
  • Wheel Size: 27.5
  • Tire: PERFORMANCE TIRE 27.5"x2.25"
  • Rim: ALLOY DOUBLE WALL 584-15 32H FOR TYRE 584-35/68
  • Hub: F: ALLOY QRx100mm 32H CENTER LOCK / R: ALLOY BOOST QRx141mm 32H CENTER-LOCK

Brake

  • Brake Lever: SHIMANO MT200 HYDRAULIC DISC BRAKE
  • Brake Caliper: SHIMANO MT200 HYDRAULIC DISC BRAKE
  • Rotor: FRONT:180MM REAR:160MM CENTER-LOCK
Geometry
S M L
Height (cm) 155-165 165-175 175-185
Seat Tube Length (A) 395 435 485
Seat Tube Angle (B) 70 70 70
Effective Seat Tube Angle (C) 75.5 75.5 75.5
Head Tube Length (D) 102 105 122
Head Tube Angle (E) 67 67 67
Effective Top Tube (F) 572.7 595.1 617.5
Bb Height (G) 326 326 326
Bb Offset (H) 27 27 27
Chainstay Length (I) 432 432 432
Wheelbase (J) 113 1157 1181
Frame Reach (K) 425 445 465
Frame Stack (L) 571.2 580.4 589.6
Standover Height (M) 676 696 729
Product Variants SKU/UPC
  • 2026 Polygon Siskiu D5 LG: Cream Orange / SM: SKU: 503397001 - UPC:
  • 2026 Polygon Siskiu D5 LG: Cream Orange / MD: SKU: 503397002 - UPC:
  • 2026 Polygon Siskiu D5 LG: Cream Orange / LG: SKU: 503397003 - UPC: