Serfas TBM 20 Tailbones Memory Foam Saddle Bike Type_Cruiser Quick Exit: Re designed leg panels 69bc04f77a6fc Quick Exit: Re designed leg panels improve the ease of suit removal the ENVE Compact Road Handlebar can be routed externally for mechanical groupsets but is also drilled for internal electronic routing for modern electronic drivetrains including compatibility with Shimano RS EW910 bar end plug junction box installations About 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