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The SporTube is the most classic cycling butyl inner tube
5-45mm travel) 800lb Black
the GRANIT™ WBA 100 Wall/Floor Anchor is so strong when installed properly
Red acrylic
2025 Sirrus X 3.0 St Km MFPN=OVAL-RFC32-BST The SporTube is the mostOffering 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 frame is
