Pirelli Cinturato SmarTUBE Inner Tube 650x40/55c 60mm Presta

The Pirelli Cinturato SmarTUBE inner tube is made from TPU, for 650b wheels with 40-55 mm wide tyres. It is designed for gravel, adventure and endurance riders who want a lightweight inner tube.

• Lightweight at just 45g: adds little weight to the wheels (figure for 650b x 40-50mm)
• For 650b tyres from 40 to 55mm wide, ETRTO size 584
• 60mm Presta valve with a removable core for easier inflation and repair
• Suitable for disc and rim brakes
• Designed for gravel and long trips, including in remote areas

Technical specifications

• Wheel diameter: 650b
• ISO (ETRTO): 584
• Tyre width: 40 - 55 mm
• Valve: Presta, length 60 mm
• Valve core: Removable
• Material: TPU (thermoplastic polyurethane)
• Weight: 45 g (stated for 650b x 40 - 50 mm)
• Brake compatibility: Disc and rim brakes
• Intended use: Gravel, adventure and endurance

Founded in Milan in 1872 by Giovanni Battista Pirelli, Pirelli remains based in the Lombard city today. For cyclists, it makes tyres for road, gravel, mountain and city bikes, as well as inner tubes. In Bollate, it has renovated a factory dedicated to producing bicycle tyres.