Serfas CRS-1 Super Cruiser Bicycle Saddle 90-Day Comfort Guarantee on all saddles Patented I.C.S. Infinite Comfort System RX & Deep Groove designs.Length: 330mm Width: 345mm Dual Density base technology mounting bracket sold separately Note: Mounting bracket sold separately Rear Elastomer Suspension Gel top layer for frictionless comfort Deep Grove Design for soft tissue protection