PROLOGO Zero II Nack saddle

An ideal saddle for medium and short distance riding where a frequent change in position is necessary. The flat shape in conjunction with the rigid saddle shell causes a very direct ride feeling. Zero saddle suits all riders with a high pelvis rotation. Features: - with the NACK rail, a nano structure carbon fibre that integrates kevlar and aluminium fibers in order to provide a superlight rail with reduced deformations compared to standard carbon. Oversize shape 7X9,3 mm - with the Tirox rail: Light-alloy steel rail that is highly resistant to traction and torsion, it is used in the aviation and aerospace industry because it´s light and strong. Tirox gives a good balance between weight and strength and it doesn’t fear the normal stress addresses a bicycle. It has 7mm rail clamp diameter. - with the T2.0 rail. It uses a Chromo-Molibdeno rail with a very high tensile strenght. It has 7mm rail clamp diameter. Specifications: - Measures: 275x134mm, 188gr (nack), 211gr (Tirox), 245gr (T2.0)