Zacro universal bike saddle not only fit for mountain bike, but also the standard bicycle. All the way with you, the shockproof and breathable bike seat give you the most comfortable experience when cycling. Pu material makes this saddle more elegant and high-quality. The high-elastic foam inside makes you get a better cycling feeling. And based on its versatile usage function, it almost fits all different model bikes. One wrench gives a hand to our customers to mount it. Product specification: Dimension: 11 x 6.7 x 2 inch weight : 1 ibspackage included:1*bike saddle1*mounting wrench warranty: Every Zacro product includes 18-month warranty. Please buy with confidence and don’t hesitate to contact us if having any question, we’ll get to you within 24 hours.