Exploring the Polygon Siskiu T7
Trail bike selection has gotten complicated with all the spec comparisons, geometry debates, and value calculations flying around. As someone who’s tested bikes across various price points and riding styles, I learned everything there is to know about what makes a mid-range trail bike worth considering—and the Polygon Siskiu T7 has earned its reputation for good reason.

Frame and Build
Probably should have led with this section, honestly. Constructed with a hydroformed ALX aluminum frame, the Siskiu T7 offers a balance between durability and weight. The frame’s design enhances strength while keeping weight manageable for ease of riding. Internal cable routing adds a sleek look and reduces the risk of cables snagging on debris.
Suspension
The Siskiu T7 boasts a full-suspension setup with a Suntour Zeron 35 fork in the front offering 150mm of travel. This ensures smooth handling over rough terrain. The rear shock, a RockShox Deluxe Select Plus, provides 140mm of travel. This combination ensures stability and comfort on challenging trails.
Drivetrain and Gearing
Featuring a Shimano Deore 1×11-speed drivetrain, the Siskiu T7 delivers precise gear changes. The single chainring setup simplifies shifting and reduces potential mechanical issues. Riders can focus on the trail ahead without worrying about complex gear combinations.
Braking System
The hydraulic disc brakes by Shimano ensure reliable stopping power, effective in various weather conditions, providing confidence during downhill descents and technical sections. The 180mm rotors add to the braking performance, ensuring quick and controlled stops.
Wheels and Tires
The 27.5-inch wheels are paired with Schwalbe Nobby Nic tires, offering good grip and control ideal for mixed terrain riding. The tubeless-ready rims reduce flat risk and allow for lower tire pressures, enhancing traction and comfort.
Handlebars and Cockpit
Equipped with a 780mm wide handlebar, it provides stability and control. The short stem and ergonomic grips ensure a comfortable riding position, enhancing bike handling and rider confidence, especially on technical trails.
Saddle and Seatpost
The Entity Xpert saddle offers sufficient comfort for long rides. Combined with a dropper seatpost, it allows riders to adjust saddle height on the fly—especially useful during descents, providing better control and maneuverability.
Riding Experience
The Siskiu T7’s geometry is optimized for trail riding, with a slack head angle and long wheelbase. This design provides a stable ride even at high speeds. The suspension components work together to absorb shocks and maintain traction over uneven surfaces. The bike’s responsiveness makes it suitable for both aggressive riding and leisurely trail exploration.
Price and Value
That’s what makes the Siskiu T7 endearing to us value-conscious trail riders—priced competitively, it offers excellent value for its features, striking a balance between affordability and high performance. Its components and build quality ensure it can handle regular use without needing frequent upgrades.
Customization and Support
Several customization options are available for the Siskiu T7. Riders can upgrade components such as the drivetrain or wheels to suit their specific needs. The availability of aftermarket parts makes it easy to tailor the bike to different riding styles. Polygon has a strong community of users who share tips and experiences online.
Subscribe for Updates
Get the latest articles delivered to your inbox.
We respect your privacy. Unsubscribe anytime.