Polygon Syncline C5 is a carbon hardtail mountain bike designed for cross-country trails, long-distance rides, and fast riding across varied terrain. Its lightweight frame, upgraded suspension fork, and Shimano Deore XT components provide efficient power transfer and precise handling on climbs, descents, and technical trail sections.

Main Features

Frame and Fork

The bike features an ACX XC Performance Carbon Fibre frame designed for low weight and efficient power delivery. Up front, it is equipped with a RockShox Reba RL air fork offering 120 mm of travel, adjustable rebound, and lockout functionality.

Drivetrain

The drivetrain is built around the Shimano Deore XT 1x12 groupset. It includes a Shimano Deore XT FC-M8100 32T crankset, Shimano Deore XT RD-M8100 rear derailleur, and Shimano Deore XT SL-M8100 shifter. The Shimano CS-M6100 10–51T cassette provides a wide gear range for steep climbs and high-speed sections.

Braking System

Shimano hydraulic disc brakes deliver reliable stopping power in a variety of riding conditions. The bike uses a 180 mm front rotor and a 160 mm rear rotor.

Wheels and Tires

The Syncline C5 rolls on 29-inch wheels fitted with a Schwalbe Racing Ray Performance 29 x 2.25 front tire and a Schwalbe Racing Ralph Performance 29 x 2.25 rear tire. Tubeless Ready rims allow for tubeless compatibility and improved traction on off-road terrain.

Cockpit and Components

The bike is equipped with an Entity Xpert alloy handlebar, stem, and seatpost. An Entity Void saddle and integrated tapered headset complete the setup and contribute to precise steering control.

Summary

Polygon Syncline C5 is aimed at riders looking for a lightweight and efficient cross-country mountain bike with higher-level components. The carbon frame, RockShox Reba RL fork, and Shimano Deore XT 12-speed drivetrain make it well suited for XC racing, long trail rides, and demanding off-road routes.

FAQ

What type of bike is this?

It is a carbon hardtail mountain bike.

What are its main advantages?

A lightweight carbon frame, RockShox Reba RL fork, Shimano Deore XT 1x12 drivetrain, and hydraulic disc brakes.

Who is it best suited for?

Riders who enjoy XC trails, forest paths, and long off-road rides.

What are the key components?

RockShox Reba RL fork, Shimano Deore XT drivetrain, Shimano hydraulic disc brakes, and Schwalbe Racing Ray / Racing Ralph tires.

What category does it belong to?

MTB Hardtail.

Who is the manufacturer?

Polygon.

What is the wheel size?

29 inches.