Surface SF-CF-1.0 Carbon Rail Race Saddle — 249g, Airfoam, Large Cut-Out

When every gram counts and every kilometre matters, the Surface SF-CF-1.0 delivers. This is the carbon rail flagship of the Surface saddle range — a race-oriented saddle built for riders who demand the lightest, most performance-focused setup available without compromising on comfort over long distances.

At just 249g, carbon rails shave critical grams compared to titanium while adding a degree of natural vibration damping that makes long efforts more comfortable. Airfoam padding strikes the right balance between support and efficiency — firm enough to transfer power cleanly, forgiving enough to last a marathon. The extra-large Arctech Zone central cut-out relieves pressure on the perineum, preventing numbness and improving blood flow exactly where it matters most on sustained efforts.

Like the SF-Ti-1.0, the CF-1.0 performs in both aggressive attack positions and more relaxed head-down marathon positions — making it equally at home on an XC race bike, a gravel machine, or a road setup. Pair it with the Surface Dropper Seatpost or the XLC Suspension Dropper Post for a complete performance cockpit. For riders who prefer more cushioning, explore the Silverback Ergo Comfort+ Saddle.

Specifications

• Rails: Carbon (7×10mm oval)
• Padding: Airfoam
• Cut-out: Arctech Zone — extra-large central pressure relief channel
• Weight: 249g
• Dimensions: 244 × 148mm
• Rider weight limit: Under 100kg (saddle warranty applies)

CF vs Ti — Which Rail Is Right for You?

Both the SF-CF-1.0 and the SF-Ti-1.0 share the same geometry, padding, and cut-out. The difference is in the rails. Carbon rails are lighter (249g vs 256g) and offer slightly better vibration damping — making the CF-1.0 the choice for weight-conscious racers and riders who spend long hours in the saddle. Titanium rails are more forgiving of accidental impacts and slightly more durable for everyday use. Both are excellent — choose based on your priorities.

Who Is This Saddle For?

The SF-CF-1.0 is the saddle for riders who want the absolute best from the Surface range. Designed for XC racing, marathon, gravel endurance, and road cycling — any discipline where weight and long-distance comfort are the priority. Read our blog on comfort as the next big innovation in cycling, or explore the Ergo Zone Saddle launch and Ergo Comfort+ launch if you're comparing saddle options.

Complete your setup with a SKS Race Bag or SKS Explorer Click Saddle Bag. Browse our full saddle collection and MTB parts and accessories.

Frequently Asked Questions

Does this saddle have carbon rails?

Yes — full carbon rails in a 7×10mm oval profile. Carbon rails are lighter than titanium and provide a small degree of natural vibration damping, improving comfort on rough surfaces and long rides.

Is this saddle suitable for long rides?

Yes. The Airfoam padding and Arctech Zone cut-out are specifically designed for sustained efforts — the cut-out relieves perineum pressure and prevents numbness, while the Airfoam provides efficient support without the dead feel of over-padded saddles. It performs well in both aggressive and relaxed riding positions.

What are the rail dimensions?

The carbon rails are 7×10mm oval — compatible with standard seatpost clamps. Always check your seatpost clamp compatibility before fitting a carbon-railed saddle, and use a torque wrench to avoid overtightening on carbon components.

How does the CF-1.0 compare to the Ti-1.0?

The SF-Ti-1.0 uses titanium rails (256g) and is slightly more durable for everyday use. The CF-1.0 uses carbon rails (249g) for a marginal weight saving and slightly better vibration compliance. Both share the same geometry, padding, and cut-out. Choose Ti for durability and value; choose CF for maximum performance.