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Find the best bike seat for you | Trek Bikes saddle guide

The perfect saddle is waiting 

Bike saddles are one of the most personal components on your ride, and finding one that fits you juuust right can be a challenge. The good news? We’re here to help you find the perfect fit for your body and your riding style. Whether you're eyeing a cushy foam saddle, a sleek lattice saddle or just want the most comfortable bike seat for your individual anatomy, we’ll guide you through everything you need to know. 

The best part? When you buy a saddle at Trek, you get our 30-Day Guarantee – think of it as a 30-day test ride. If you don’t love your saddle, we’ll take it back and help you find a better fit or give you a full refund. 

Saddle sizing and riding posture 

Riding posture 

It’s a common myth that bigger bike seats are more comfortable. In reality, the biggest factor in a saddle’s comfort is whether or not it’s designed for the position your ride in. Your riding posture affects what part of your pelvis contacts the saddle, so comfort isn’t based as much on how much padding a saddle has, but rather how the saddle is designed to support you.

We use five different riding postures to categorise our saddles, ranging from our most aerodynamic triathlon posture to an upright and comfort-focused fit. Find the posture that best matches how you ride below, then shop the saddles.

Saddle sizing 

We make saddles for every rider, and the best saddle for you is one that fits your body. Men tend to have narrower sit bones and prefer narrower saddles, while women typically find wider saddles most comfortable. Your riding posture also affects your ideal fit. Use this chart to help guide your choice.

Race and Performance saddles – Men: 145 mm, Women: 155 mm
Fitness saddles – Men: 165 mm, Women: 185 mm
Comfort saddles – Men: 205 mm, Women: 225 mm

The best way to find your perfect saddle fit is to try the Saddle Sizer in your local Trek outlet. 

Find your Trek shop 

Race posture

Ideal for road, gravel and cross-country mountain bike racing. These saddles support riders in a forward position, helping them deliver power and performance.  

Shop race saddles 

Performance posture

Most enthusiasts – and even many racers – find the best fit on a performance saddle. These saddles are a great choice for endurance road and gravel riders, trail riders and anyone who rides for speed and distance milestones. 

Shop performance saddles 

Fitness posture

If you like to get in a workout on your rides, but take a slightly more upright position than what is commonly seen on a drop-bar road bike, these saddles are the ideal fit for you.

Shop fitness saddles 

Comfort posture

If you’re a casual rider who enjoys riding in a comfortable, upright posture so you can take in the sights, these saddles are the perfect choice for you.

Shop comfort saddles 

AirLoom 3D Printed Lattice Saddles 

Tuned to give you support where you need it most and flexibility under sensitive soft tissue, Trek’s AirLoom 3D printed lattice technology adds next dimension comfort using an incredibly lightweight lattice weave.  

Find out more about AirLoom

Short nose saddles 

Short-nose saddles take a less-is-more approach to performance, eliminating excess length and keeping only the parts that matter for comfort and support. With fewer materials and a compact shape, they often weigh less without sacrificing ride quality. 

Fluid tech that moves with you 

Trek’s patented Fluid Technology adds a flexible fluid layer that moves naturally with your body as you pedal, reducing friction and peak pressure in critical zones – so you stay more comfortable, however long or hard you ride.