Selle smp gliderafter the enthusiastic testimony of the cyclists that are using it after having been the object of an important medical and scientific research smp multiplies the range to give each cyclist the model most suitable to his physical structure and to the type of use selle smp glider saddle specificationscovering nap leather padding foamed elastomer casing nylon 12 charged with carbon fibre frame aisi 304 tubular steel weight 260g dimensions 266 x 136mmsteel rails buy selle s