Marino Bikes / Marino bike 26 - Bike Pictures - Trials-forum - I looking to get a 29er monstercross frame build done.. I looking to get a 29er monstercross frame build done. Mountain biking is ideal for thrill seekers, adrenaline junkies and for those who just want to keep fit. Add to cart $ 280.00. Marino offer a custom design and manufacturer of high quality steel bike frames based in peru. Coming soon custom thru axle dropouts full cnc pronto eje pasante personalizado full cnc gracias a @alejcar y @perrodelmallet por el diseño trabajando en detalles #marinobike