Marin's top-of-the-line Nicasio, the Marin Nicasio 2 steps up to a Series 2 double-butted CrMo frame and a full carbon fiber fork. There’s also a Shimano Tiagra 2x10 speed drivetrain, powerful in all conditions Shimano hydraulic brakes and fast, grippy Vee tires in 700x35. Unlike the other bikes in the Nicasio family, the 2 comes with stiff and sturdy 12mm thru-axle dropouts.