Prologo Dimension 143 Short Nose Bicycle Saddle for Road Bike MTB XC Off-Road Tirox T4.0 Rail Unisex 245x143mm Cycling Parts Product description : PrologoModel: Dimension 143 Size: 245x143mm Weight with Tirox rail: 220g Weight with T4.0 rail: 240g Material: Ultra- light Fiber, Lightweight polyurethane Base cover: Nylon Package content: 1 PCS Saddle Description Dimension is a new innovative saddle designed to combine comfort and performance. The name Dimension contains the importance of the project itself: to create an innovative product in terms of size, design and ergonomic shape suitable for all disciplines and perfect for men and women. Dimension is comfort, performance and lightness. The combination of a short nose (35mm less than a traditional saddle) and the PAS system ensures blood flow and pressure relief, guaranteeing comfort even in an aerodynamic position or during the maximum pushing phase. The wider seating area (width 143mm) allows a better distribution of body weight. The Dimension saddle has been tested and deped in collaboration with the best international professional teams to ensure a saddle suitable for all users. Rail difference T4.0 Rail in Chromoly made by an advanced process that ensures more lightness with the same technical resistance. Deped for Dimension Collection. Max tightening torques allowed: 12Nm TIROX Rail light-alloy steel, highly resistant to traction and torsion; for its physical characteristics and lightweight, its used in the aviation and aerospace industry. Tirox then turns out to be a rail with a good balance between weight and strength that doesnt fear the normal stress. Max tightening torques allowed: 12Nm Note: This product has two packaging methods (paper card and Opp Bag). The current inventory is all Opp Bags, but they are not fakes. Please read this tip carefully.