COLLOSUS DH: Adjustable Geometry and Race-Proven Technology for Gravity Riding
COLLOSUS DH9
Features
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IFS Suspension
An innovative 6-bar suspension system developed between the race tape. IFS decouples braking and pedalling forces, whilst retaining complete control over leverage ratio and axle path. The result is class leading small‑bump sensitivity and traction, controlled anti‑rise under braking, and consistent leverage progression for high‑speed stability and impact control.
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29/ MX Compatible
Switchable between 29” and MX setups with easy-to-use seatstay flip chips. No extra parts needed to get your party in the back setup.
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Geometry adjust
A 1.5” headtube allows riders to further customize reach by fitting aftermarket cups, along with a high/low BB position flip chip for fine tuning your ride style.
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 | 390 15.35 | 390 15.35 | 390 15.35 |
| Seat Tube Angle (B) | 72 2.83 | 72 2.83 | 72 2.83 | 72 2.83 |
| Effective Seat Tube Angle (C) | 78.5 3.09 | 78.5 3.09 | 78.5 3.09 | 78.5 3.09 |
| Head Tube Length (D) | 105 4.13 | 105 4.13 | 106 4.17 | 105 4.13 |
| Head Tube Angle (E) | 63 2.48 | 63 2.48 | 63 2.48 | 63 2.48 |
| Effective Top Tube (F) | 557 21.93 | 580 22.83 | 600 23.62 | 622 24.49 |
| Bb Height (G) | 356 14.02 | 356 14.02 | 356 14.02 | 356 14.02 |
| Bb Offset (H) | 24 0.94 | 24 0.94 | 24 0.94 | 24 0.94 |
| Chainstay Length (I) | 445 17.52 | 445 17.52 | 445 17.52 | 445 17.52 |
| Wheelbase (J) | 1250 49.21 | 1273 50.12 | 1293 50.91 | 1314 51.73 |
| Frame Reach (K) | 437 17.2 | 460 18.11 | 480 18.9 | 502 19.76 |
| Frame Stack (L) | 632 24.88 | 632 24.88 | 632 24.88 | 632 24.88 |
| Standover Height (M) | 817 32.17 | 817 32.17 | 817 32.17 | 817 32.17 |
| S | M | L | XL | |
|---|---|---|---|---|
| Height (cm) | 155-165 | 165-175 | 175-185 | 185-195 |
| Seat Tube Length (A) | 390 15.35 | 390 15.35 | 390 15.35 | 390 15.35 |
| Seat Tube Angle (B) | 71.6 2.82 | 71.6 2.82 | 71.6 2.82 | 71.6 2.82 |
| Effective Seat Tube Angle (C) | 78.1 3.07 | 78.1 3.07 | 78.1 3.07 | 78.1 3.07 |
| Head Tube Length (D) | 105 4.13 | 105 4.13 | 105 4.13 | 105 4.13 |
| Head Tube Angle (E) | 62.6 2.46 | 62.6 2.46 | 62.6 2.46 | 62.6 2.46 |
| Effective Top Tube (F) | 558 21.97 | 581 22.87 | 601 23.66 | 623 24.53 |
| Bb Height (G) | 350 13.78 | 350 13.78 | 350 13.78 | 350 13.78 |
| Bb Offset (H) | 30 1.18 | 30 1.18 | 30 1.18 | 30 1.18 |
| Chainstay Length (I) | 446 17.56 | 446 17.56 | 446 17.56 | 446 17.56 |
| Wheelbase (J) | 1251 49.25 | 1274 50.16 | 1294 50.94 | 1316 51.81 |
| Frame Reach (K) | 433 17.05 | 456 17.95 | 476 18.74 | 498 19.61 |
| Frame Stack (L) | 635 25 | 635 25 | 635 25 | 636 25.04 |
| Standover Height (M) | 813 32.01 | 813 32.01 | 813 32.01 | 813 32.01 |
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FAQ
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Can both wheels be 27.5", or is the bike limited to mullet and full 29” setups?
The Collosus DH is designed for mullet (MX) or full 29” setups. A full 27.5” setup is not supported.
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Is the bike compatible with a single crown fork?
Yes, if you use a 190mm travel fork.
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Can I install a dropper post on this bike?
No, the bike is not designed to accommodate a dropper post.
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What are the axle sizes?
Rear axle: 12 x 157mm DH (OLD).
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Is the frame UDH-compatible?
Yes, the Collosus DH uses a UDH derailleur hanger, making it compatible with modern drivetrain systems.
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What is the shock size and eye-to-eye measurement?
Shock size: 250mm x 75mm.
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What type of rear suspension travel does the bike have?
The suspension system follows a progressive travel curve.
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Can I use a coil shock on this bike?
Yes, the frame is compatible with all aftermarket coil shocks.
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Do chainstay lengths vary by frame size?
No, the chainstay length is 445mm across all sizes.
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What is the head tube size?
The bike features a 1.5” headset, allowing for further geometry adjustments with angle-adjust cups.