specialized sirrus x 4 0 qtzmet bdxmet 2026Specialized Sirrus X 4. 0 Qtzmet Bdxmet 2026 Urban bike The Sirrus X offers an unprecedented combination of comfort, efficiency and agile handling, and excels on asphalt, gravel and every terrain in between. COMFORTABLE, SMOOTH AND EFFICIENT: The Sirrus X offers the smoothest ride in its class. With wider, confidence inspiring tires, a slightly more upright riding position and a super intuitive one by drivetrain. RIDER FIRST ENGINEERED: At Specialized

Thickness: 18 mm for a low profile and improved ground clearance

Hubs supported: QR

coupling from Qeridoo

To ensure that the bike rolls comfortably and evenly on trails

Mid-season fleece hoodies with durable water-repellent treatment

One-way venting: Yes

touchscreen function on the index finger

RFR Adjustable Stem MTB | Stems

87% Polyester (recycled)

which optimizes power transmission and translates into dynamics and forward momentum

Santa Cruz Hightower 4 CC X0 AXS Gloss Day Green 2025

These rims can be run at lower tire pressures to make your all-mountain adventure safer