Selle italia sp 01 boost tm superflow bike saddleboasting selle italias suspension link system, this superflow edition of the unique sp 01 boost tm road bike saddle provides focussed support to your key areas. Its slightly flexing design is supportive to ensure efficient power output and also dampens vibrations. Plus, with the large central cut out, pressure is reduced on your sensitive parts, making this saddle ideal for your endurance rides and for riding on damaged roads. Mounted with hollow manganese rails to reduce its weight and covered in selle italias tough duro tek material, this model is a perfect choice for high mileage, performance orientated cyclists.features cover duro tek shell material composite rail material manganese alloy tubes, 7x7mm dimensions lxw s3 250x130mm l3 250x146mmuse road racing, road endurancecategory performance weight s3 200g l3 205g buy selle italia components from chain reaction cycles, the world's largest online bike store.