2026 Specialized Sirrus X 4.0 006415045000 75kg (28 lb

75kg (28 lb

Its performance is optimized by tooth profile and shift ramp design for quick and positive index shifting

Also suitable as protective cover for luggage

203 mm RT-MT905 operates 100°C cooler compared with a 220 mm stainless steel disc brake rotor under the most extreme conditions with a more compact design

Front Travel:130

2026 Specialized Sirrus X 4.0 006415045000 75kg (28 lbDetails Offering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between. SMOOTH, COMFORTABLE, AND EFFICIENT: Sirrus X provides the smoothest ride in its class. With bigger, confidence inspiring tires, a slightly more upright riding position, and a super intuitive one by drivetrain. RIDER FIRST ENGINEERED: Like all Specialized performance bikes, the geometry of each