Polygon Bicycles Review – The Siskiu T8, Collosus DH9, and Polygon Premier Kids Bikes
This Polygon Bicycles Review will discuss the Siskiu T8, the Colossus DH9, and the Polygon Premier kids’ bikes.
We’ll also discuss some of the trade-offs between performance and price and whether Polygon is worth the extra $$.
- Lightweight aluminum frame, full suspension, high-performance suspension fork, effectively absorbs rough terrain and impacts, ensuring a resilient riding encounter
- 24 speed shifters and front and rear derailleurs make smooth gear changes and make climbing hills easy
- Confident and precise stopping power on the trail with the front and rear mechanical disc brakes, delivering crisp and reliable performance in any weather or terrain conditions
- Extra-wide double wall alloy rims combine strength and lightness, while the 2.25-inch wide knobby mountain tires are primed for rugged and uneven landscapes
- Durable alloy cranks provide steady gearing and less pesky maintenance on your end, arrive 80% assembled, some tools required for assembly
Last update on 2025-04-18 / Affiliate links / Images from Amazon Product Advertising API
Polygon Bicycles – Siskiu T8
Polygon Bicycles Review: Polygon Siskiu T8 Model
Overview: The Polygon Siskiu T8 is a trail mountain bike known for its versatility and value. It sits in the middle of Polygon’s lineup, balancing performance and cost.
Frame and Geometry: The Siskiu T8 features an aluminum frame, which balances weight and durability well. The modern geometry has a slack head angle and a steep seat tube angle, providing stability on descents and climber efficiency.
Suspension System: Equipped with a full-suspension setup, the bike has a RockShox Revelation RC fork and a Fox Performance Float DPS rear shock. This combination offers a plush ride with ample adjustability to suit different terrains and rider preferences.
Drivetrain and Brakes: The bike typically comes with a 1×12 Shimano SLX drivetrain, offering a wide range of gears for various trails.
It is equipped with hydraulic disc brakes for stopping power that provide reliable and consistent braking in all conditions.
Wheelset and Tires: The Siskiu T8 rolls on 29-inch wheels, although some sizes may come with 27.5-inch wheels to match the frame size.
The tires are generally aggressive trail tires that provide good traction across various surfaces.
Performance: On the trail, the Siskiu T8 performs admirably. It climbs efficiently thanks to its suspension kinematics and steep seat tube angle.
The slack head angle and quality suspension contribute to its confident handling on descents.
Value and Conclusion: The Polygon Siskiu T8 offers great value for money, making it an attractive option for both beginner and intermediate riders looking for a capable trail bike without breaking the bank.
It’s well-specced, versatile, and backed by positive reviews from the mountain biking community.
Last update on 2025-04-18 / Affiliate links / Images from Amazon Product Advertising API
Polygon Bicycles – Collosus DH9
Polygon Collosus DH9 Review
Overview: The Polygon Collosus DH9 is a high-end downhill mountain bike designed for the rigors of downhill and freeride disciplines. It’s the choice for professional riders in the Polygon UR team and boasts a race-ready setup.
Frame and Geometry: The DH9 features a full carbon frame, which offers an optimal blend of stiffness, strength, and lightweight performance.
The geometry is aggressive with a slack head angle and long wheelbase for high-speed stability, yet it’s adjustable to accommodate rider preferences and course demands.
Suspension System: This bike has a top-tier suspension system, typically including a Fox Factory 40 fork in the front and a Fox Factory Float X2 shock in the rear.
This setup provides a lot of travel, essential for absorbing the big hits associated with downhill riding.
Drivetrain and Brakes: Downhill bikes like the DH9 usually sport a 7-speed drivetrain, which is sufficient for downhill courses where the focus is on descending rather than climbing.
High-performance brakes are critical, and the DH9 often comes equipped with Shimano Saint or similar hydraulic disc brakes for maximum stopping power.
Wheelset and Tires: Downhill-focused wheelsets are built to be tough and are paired with wide, high-volume tires that can take on rocky, rough terrain.
The Colossus DH9 typically has 27.5-inch wheels and tires with aggressive tread patterns for excellent grip and control.
Performance: The DH9 is designed to excel at high speeds and rough terrain. The plush suspension and stable geometry instill confidence when tackling jumps, drops, and technical sections.
It’s built to handle the demands of professional racing but also accessible enough for serious enthusiasts.
Value and Conclusion: As a premium downhill mountain bike, the Polygon Collosus DH9 commands a higher price point.
It is an investment for riders dedicated to downhill racing or those who want one of the best bikes in this category.
The DH9 offers professional-level performance and cutting-edge technology and is a top contender in the world of downhill mountain biking.
Polygon Bicycles Premier kid’s bikes
Polygon Bicycles Premier Kids Bikes Review
Overview: Polygon Premier kid’s bikes are designed to be reliable and fun for children as they learn and improve their cycling skills.
The series typically includes bikes suitable for various age groups and skill levels, with size-appropriate frames and components.
Frame and Geometry: The bikes in this range usually feature a lightweight aluminum frame with geometry tailored to young riders, promoting a comfortable and stable riding position.
The frame sizes and wheel sizes vary to accommodate different age groups, ensuring a proper fit as children grow.
Components: Polygon Premier kid’s bikes often come with a mix of reliable components suitable for young riders. This may include:
- Drivetrain: A simple and easy-to-use drivetrain with limited gears helps children learn how to shift without overwhelming them.
- Brakes: Dependable rim or entry-level disc brakes provide ample stopping power with levers designed for smaller hands.
- Wheels and Tires: Durable wheels paired with versatile tires suitable for various surfaces, from pavement to light trails.
- Suspension: Some models may have a front suspension fork to introduce kids to off-road riding, though many will be rigid to keep weight and complexity down.
Safety Features: Safety is a key consideration, and these bikes may include features like chain guards, reflectors, and safety pads.
Additionally, the bikes are designed with low standover heights to make it easier for kids to handle the bike and dismount quickly if needed.
Performance: The Premier series bikes are generally well-received for offering a smooth ride that’s forgiving for beginners.
The bike’s weight is kept manageable to ensure that kids can handle the bike easily.
Value and Conclusion: Polygon Premier kids bikes offer good value for parents looking to invest in a quality bike that can grow with their child.
They strike a balance between performance, durability, and cost. With different models available for various stages of development, the Premier line is a solid choice for introducing children to cycling and fostering a love for the sport.