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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.
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COLLOSUS N: Enduro, Evolved. Built for Racing, Refined for Riding
COLLOSUS N9
Specification
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Frameset
FramesetForkRear ShockFrame ColorDecal Color
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Drivetrain
ShifterCrankCassetteRear DerailleurBBChainPedal
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Cockpit
SaddleSeatpostHandlebarHandlestemHeadset
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Wheel & Tire
Wheel SetWheel SizeTireRimHubSpokes
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Brake
Brake LeverBrake CaliperRotor
Geometry & Size
| S | M | L | XL | |
|---|---|---|---|---|
| Height (cm) | 155-165 | 165-175 | 175-185 | 185-195 |
| Seat Tube Length (A) | 390 15.35 | 400 15.75 | 415 16.34 | 430 16.93 |
| Seat Tube Angle (B) | 70 2.76 | 70 2.76 | 70 2.76 | 70 2.76 |
| Effective Seat Tube Angle (C) | 77 3.03 | 77 3.03 | 77 3.03 | 77 3.03 |
| Head Tube Length (D) | 100 3.94 | 105 4.13 | 110 4.33 | 120 4.72 |
| Head Tube Angle (E) | 63.5 2.5 | 63.5 2.5 | 63.5 2.5 | 63.5 2.5 |
| Effective Top Tube (F) | 583.6 22.98 | 604.6 23.8 | 626.4 24.66 | 647.7 25.5 |
| Bb Height (G) | 353 13.9 | 353 13.9 | 353 13.9 | 353 13.9 |
| Bb Offset (H) | 27 1.06 | 27 1.06 | 27 1.06 | 27 1.06 |
| Chainstay Length (I) | 435 17.13 | 435 17.13 | 435 17.13 | 435 17.13 |
| Wheelbase (J) | 1221.7 48.1 | 1244 48.98 | 1266.2 49.85 | 1290.7 50.81 |
| Frame Reach (K) | 440 17.32 | 460 18.11 | 480 18.9 | 500 19.69 |
| Frame Stack (L) | 625.5 24.63 | 630 24.8 | 634.5 24.98 | 643.4 25.33 |
| Standover Height (M) | 710 27.95 | 716 28.19 | 717 28.23 | 720 28.35 |
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FAQ
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The bike comes with 29x2.6” tires front and rear. Can I fit 27.5” wheels to convert it to a ‘mullet’ set up?
The frame has clearance for a 27.5x2.8" tire so a mullet (29” front, 27.5+ rear) is possible. However, the diameter of a 27.5x2.8" tire is significantly smaller than the standard 29x2.6" tire, hence changing to a mullet set up would reduce BB height and pedal to ground clearance while also slackening both the effective seat and head tube angles.
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Can I use a different rear shock?
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Can I change the fork?
The fork will also fit a 27.5+ tire, however, this is highly discouraged as the BB drop would become dangerously low. We recommend staying ready for business with 29" all-round.
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Can Collosus N9 fit a chain guide?
Most 230mm x 65mm Trunnion Mount shocks should fit. The leverage curve can work well with a coil shock. However, it’s worth noting that Polygon have Fox tune the stock rear shocks to work best with the specific bike model, so a standard tune replacement shock may not offer optimized performance.
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What size rotors can I use?
The standard forks are 170mm travel, you cannot use a dual crown fork as the frame is not designed or tested to withstand the different loads.
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What is included in the standard warranty? Click here for more details.
For sure, the bike comes equipped with an e13 TRS+ Bashguard. The chain guide mounts directly to the drive unit and the bolt pattern is different to traditional ISCG/05, so most ‘normal’ chain guides are not compatible.