Brooks C17 CAMBIUM Saddle (OEM Value Pack) Cambium Saddles are designed to be ready for use out of the box, requiring no initial or ongoing care or maintenance. Vulcanized natural rubber, Organic cotton canvas, Die-cast aluminium structure, Tubular stainless steel rails Saddle specification = Length: 283mm, Width: 162mm, Height: 52mm, Weight: 415g The C17 is made from vulcanized natural rubber and organic cotton canvas featuring a new construction that works like a hammock and delivers immediate comfort while absorbing vibration and shock. Superb for long distance riding. The additional flexibility absorbs bumps and vibrations from the road, functioning much in the way of a shock absorbing seat post. Value pack does't come with free dressing or spanner