Serfas TBM-20 Tailbones Memory Foam Saddle Bike Accessories Brand_3T Torx® is a registered trademark

Torx® is a registered trademark of Acument Intellectual Property

Tire Clearance:

this saves over 5 watts compared to the previous Reserve wheelset

that is still more aerodynamically efficient than the deepest of the deep

Serfas TBM-20 Tailbones Memory Foam Saddle Bike Accessories Brand_3T Torx® is a registered trademarkAbout Serfas TBM 20 Tailbones Memory Foam Waterproof SaddleSerfas' latest addition to the Tailbones family introduces a top layer of Memory Foam for a more personalized feel and added comfort. Serfas Tailbones saddles supports the sit bones and provides a smooth comfortable ride using Progressive Density Foam while a Deep Groove Design allows maximum blood flow into the neurovascular bundle for drastically reduced numbness and discomfort.