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The SR Suntour SF13-XCT is a coil-sprung suspension fork designed specifically for entry-level 26-inch mountain bikes. It’s built for casual trail rides, commuting, and leisure cycling, offering reliable performance without complex adjustments. This fork is particularly notable for its compatibility with older bikes due to its 1 1/8" threaded steerer tube, making it a solid choice for classic frame restorations.

With 80mm of travel, the SF13-XCT offers enough suspension for moderate bumps, gravel paths, and light off-road use. The travel is supported by a coil spring system—known for its durability and simple functionality. Though it lacks the lightweight and adjustability of an air fork, the coil spring delivers consistent performance with minimal setup or tuning.

The fork's 150mm steerer tube includes 60mm of thread, allowing it to work with traditional threaded headset systems and quill stems—a configuration still found on many older mountain bikes. This compatibility feature sets the SF13-XCT apart from most modern forks, which typically require threadless headsets and ahead stems.

Constructed with 30mm steel stanchions and a forged aluminum crown, the fork is built to withstand regular use. The steel legs add strength, while the alloy crown keeps the overall structure reasonably lightweight and affordable. Though it weighs around 2.3 to 2.4 kg, the trade-off is long-term reliability, especially for riders who prefer low-maintenance setups.

The braking system compatibility is limited to V-brakes (rim brakes), using integrated cantilever posts. There are no disc brake mounts, reinforcing its role as a classic fork option. This makes it ideal for older bikes that were originally designed for rim brakes and do not support disc conversions.

The fork features basic preload adjustment knobs at the top of each leg, allowing riders to fine-tune the stiffness to match body weight or riding conditions. However, there are no rebound or compression damping controls, as this fork is built more for practicality and budget accessibility than performance customization.


In short, the SR Suntour SF13-XCT is a practical, dependable, and affordable suspension fork designed for older bikes and beginner riders. It’s a great fit for those looking to maintain or refurbish a 26" mountain bike without converting to modern components. While it’s not meant for aggressive trail riding or racing, it provides a smooth and reliable front-end feel for everyday cycling and moderate off-road adventures.