Every trail tells a different story. Polygon builds mountain bikes for every ride, from cross-country speed to technical descents, with hardtail and full-suspension MTBs designed to perform.
From skateparks and pump tracks to dirt jumps and street sessions, Polygon Dirt Jump & BMX bikes are built for confidence, control, and creativity.
Engineered with advanced frame technology, Polygon road bikes are designed to perform. Explore performance to all-rounder road bikes that deliver speed, efficiency, and precision on every ride.
Built for riders who refuse to be limited by the route, Polygon Adventure Bikes deliver comfort and versatility. Explore gravel bikes and hybrid bikes ready for urban rides and scenic escapes.
From daily commutes to weekend rides, Polygon city bikes deliver comfort, versatility, and reliable performance for every urban journey.
Go farther with Polygon electric bikes. From daily commuting to weekend adventures, our e-bikes deliver smooth power, confident handling, and more freedom on every ride.
Every ride starts with confidence. Polygon kids junior bikes are built for young riders, combining comfort, durability, and confidence to inspire every adventure from the very first ride.
SIERRA OOSTEN26 2020
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DAILY ?DAILY ?Bikes have given us a lot. It helps us to live a life that we can be happy with and proud of; so we want to share that and bring a healthy and joyful day-to-day routine. See more...
Another classic bike?! Yep, and you'll never get wrong with its durability and style. Polygon Oosten is a marriage between comfort and simplicity. This bike is featured with a light weight AL6 frame designed for an upright riding position. Regardless of how long it has been since you have ridden a bicycle, it will remind you of the very first time you rode a bike. It feels just like where the sun rises; van oosten-.
Specification
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Frameset
FramesetForkRear Shock
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Drivetrain
ShifterCrankCassetteRear DerailleurBBChainPedal
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Cockpit
SaddleSeatpostHandlebarHandlestemHeadset
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Wheel & Tire
Wheel SetWheel SizeTire
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Brake
Brake Caliper
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Other
Bike Weight
Geometry & Size
| M | L | |
|---|---|---|
| Height (cm) | 160-170 | 170-180 |
| Seat Tube Length (A) | 480 18.9 | 480 18.9 |
| Seat Tube Angle (B) | 73.5 2.89 | 73.5 2.89 |
| Effective Seat Tube Angle (C) | 73.5 2.89 | 73.5 2.89 |
| Head Tube Length (D) | 135 5.31 | 134 5.28 |
| Head Tube Angle (E) | 69 2.72 | 69 2.72 |
| Effective Top Tube (F) | 370 14.57 | 390 15.35 |
| Bb Height (G) | 304 11.97 | 304 11.97 |
| Bb Offset (H) | 50 1.97 | 50 1.97 |
| Chainstay Length (I) | 460 18.11 | 460 18.11 |
| Wheelbase (J) | 1106.5 43.56 | 1126.5 44.35 |
| Frame Reach (K) | 389.4 15.33 | 409.4 16.12 |
| Frame Stack (L) | 610 24.02 | 609 23.98 |
| Standover Height (M) | 450 17.72 | 450 17.72 |
