Serfas TBM-20 Tailbones Memory Foam Saddle Bike Accessories Brand_3T Thermal Sensors: Yes

Thermal Sensors: Yes

Torx® is a registered trademark of Acument Intellectual Property

and wires through the stem clamp area

also channels air over rim to improve cooling

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Serfas TBM-20 Tailbones Memory Foam Saddle Bike Accessories Brand_3T Thermal Sensors: YesAbout 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.