Chat ZaloALX frame
A light, hydroformed ALX alloy frame made in Polygon's own factory.
Polygon · Cross Country
Polygon SISKIU D6
Real full suspension at a friendly price
- Cross Country
- 120mm travel
- ALX alloy frame
- 27.5" / 29" wheels
Retail price29.800.000₫
- Genuine Polygon bike, distributed by Spinlab
- Free shipping on orders from 2,000,000₫
- Free size advice via our hotline
Real full suspension at a friendly price
Siskiu D6 has 120mm travel with an SR Suntour XCM fork and Raidon LO Air shock, a Shimano Deore 10-speed drivetrain, Shimano hydraulic brakes and a 150/170mm dropper seatpost — ready to explore the trails.
Versions in the Siskiu D range: SISKIU D7 · SISKIU DSE · SISKIU D6 · SISKIU D5
Key features
Shimano drivetrain
Shadow+ technology keeps the chain secure and running quietly so you can focus on the trail ahead.
Dropper seatpost
Essential for modern MTB — drop the saddle quickly on descents for more confidence going downhill.
Technical specifications
Frameset
- Frame
- ALX XC TRAIL FRAME
- Fork
- SUNTOUR XCM BOOST 120mm TRAVEL
- Rear Shock
- SUNTOUR RAIDON LO AIR, E2E: METRIC 190x45mm
- Frame Color
- GREEN - BROWN
Drivetrain
- Shifter
- SHIMANO DEORE SL-M4100, 10-SPEED TRIGGER
- Crank
- SHIMANO DEORE FC-M5100-1 32T TWO-PIECE-CRANK
- Cassette
- SHIMANO DEORE CS-M4100 10-42T 10-SPEED
- Rear Derailleur
- SHIMANO DEORE RD-M4120 DIRECT ATTACH 10-SPEED
- BB
- BSA THREADED 68/73mm
- Chain
- KMC X10-1
- Pedal
- PP PEDAL
Cockpit
- Saddle
- ENTITY VOID SADDLE, ø 7mm
- Seatpost
- ALLOY DROPPER 150mm / 170mm travel, 30.9 x 442mm (S-M) / 495mm (L-XL)
- Handlebar
- ENTITY SPORT ALLOY, W: 760mm, BB: 31.8mm, R/D: 12mm, B: 6degree
- Handlestem
- ENTITY SPORT ALLOY, EXT: 45mm, BB: 31.8mm, R/D: 0Degree
- Headset
- THREADLESS ZERO STACK HEADSET, ZS 44/28.6 | ZS 56/30
Wheel & Tire
- Wheel Set
- X-15 TUBELESS READY W/ TUBELESS TAPE
- Wheel Size
- 27,5"/29"
- Tire
- DELI 27.5"x2.25" / 29"x2.25"
- Rim
- ALLOY DOUBLE WALL 584 / 622-24 32H FOR TYRE 584 / 622-35/68
- Hub
- F: SHIMANO HB-MT400-B THRU AXLE 15x110mm 32H CENTER LOCK / R: SHIMANO FH-MT400-B THRU AXLE 12X148mm 32H CENTER LOCK
Brakes
- Brake lever
- SHIMANO MT201 HYDRAULIC DISC BRAKE
- Brake Caliper
- SHIMANO MT201 HYDRAULIC DISC BRAKE
- Rotor
- SHIMANO SM-RT10 F:180mm R:160mm CENTER-LOCK
Specifications may change between shipments. Please contact Spinlab to confirm the bike's configuration in Vietnam.
Frame geometry
| Specifications | S (27.5″) | M (27.5″) | M (29″) | L (29″) | XL (29″) |
|---|---|---|---|---|---|
| Height | 155-165 | 165-175 | 165-175 | 175-185 | 185-195 |
| Seat Tube Length (A) | 395 | 435 | 435 | 487 | 522 |
| Seat Tube Angle (B) | 70 | 70 | 68.7 | 68.7 | 68.7 |
| Effective Seat Tube Angle (C) | 75.5 | 75.5 | 76 | 76 | 76 |
| Head Tube Length (D) | 102 | 105 | 102 | 112 | 122 |
| Head Tube Angle (E) | 67 | 67 | 67.5 | 67.5 | 67.5 |
| Effective Top Tube (F) | 572.7 | 595.1 | 603.9 | 624.3 | 646.7 |
| BB Height (G) | 326 | 326 | 326 | 326 | 326 |
| BB Drop (H) | 27 | 27 | 47 | 47 | 47 |
| Chainstay Length (I) | 432 | 432 | 436 | 436 | 436 |
| Wheelbase (J) | 1133 | 1157 | 1165 | 1189 | 1213 |
| Reach (K) | 425 | 445 | 445 | 465 | 485 |
| Stack (L) | 571.2 | 580.4 | 606.7 | 615.9 | 625.2 |
| Standover Height (M) | 676 | 696 | 698 | 733 | 761 |
The selected size column is highlighted. Figures from Polygon Bikes.
FAQ
How do I choose a size?
Refer to the “Rider height” row in the Frame geometry table. If your height falls between two sizes, contact Spinlab for advice based on your riding position and needs.
What warranty does the bike have?
Genuine Polygon bikes distributed by Spinlab are covered by Polygon's warranty policy. Call our hotline for details of conditions and duration.
Can I upgrade components?
Yes. Contact Spinlab for advice on suitable upgrades, such as Vittoria tyres or Emume handlebar tape.
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