Selle italia slr boost x cross superflow saddlethis saddle features a tough fibra tek cover construction, which gives it brilliant lightness and style on your mountain bike. Coming kitted out with robust alloy rails, this mtb saddle keeps you stabilised as you blast across unpredictable mountain bike trail conditions at speed. Selle italia has also equipped this trail ready model with a large central flow zone, which relieves pain around your sit bones as you move.compact and lightweight, conquering off road slr boost x cross superflowthe slr boost x cross superflow brings lightness, technological innovation and the unmistakeable style of slr boost to the off road universe. Thus the birth of the first mountain bike short saddle, by selle italia, designed and conceived for those who make adrenalin and adventure a way of life. The shock absorbers located between the frame and the body contribute to cushioning the vibrations of uneven terrains and the stresses typical of off road disciplines. The special superfabric inserts on the sides help protect the saddle against any abrasions and scratches typical of this discipline. Features cover material fibra tek rail material ti 316 tube use mtb, cross country, enduro, cyclocross dimensions small 130x248mm large 145x248mm rail dimensions 7mm category performance weight small 181g large 186gbuy selle italia components from chain reaction cycles, the world's largest online bike store.