Pirelli Cinturato SmarTUBE X - 700x40-50mm

Name: Pirelli Cinturato SmarTUBE X - 700x40-50mm
Brand: Pirelli
SKU: nppwuuxngh
Availability: InStock

Smar TUBE X: Maximum robustness and puncture resistance, for an urban, gravel or e-bike use. The P...

Best current price£19.99from Merlin Cycles

Best offers

Shopping.co.uk recommended and popular offers

Lowest price

Merlin Cycles£19.99Visit shop

Pirelli Yellow Cinturato Smartube X Tpu Inner Tube - 700C - / 700C / 40Mm / 50Mm / 60Mm Valve

Visit shop

All Offers

5 offers from £19.99 - £25.59

View price history by clicking the chart icon.

Merlin CyclesPirelli Yellow Cinturato Smartube X Tpu Inner Tube - 700C - / 700C / 40Mm / 50Mm / 60Mm Valve

Free delivery in 1–3 days

£19.99

Visit shop

Tweeks CyclesPirelli Cinturato SmarTube X - 700c x 28-40c 60mm Presta Valve

£4.50 delivery

£21.59

Visit shop

eBayPirelli Cinturato X SmarTube TPU Bike Innertube - 700 x 28-40c - 60mm Presta

Free delivery in 1–3 days

£22.99

Visit shop

Product Information

Full details

The Pirelli SmarTUBE X is designed for urban, gravel, and e-bike riders seeking maximum robustness and puncture resistance. Its key benefit is enhanced durability and a significantly lighter, more compact profile compared to traditional butyl tubes. A key caveat is that this tube is solely intended for use with disc brake-equipped bikes and should not be used with rim brakes.

All features

Model Part Number	PIR-4361700
Brand	Pirelli

Extended Product Information

FAQs

Can I use the SmarTUBE X with rim brakes?

No, the Pirelli SmarTUBE X is designed and intended solely for use with disc brake equipped bicycles. It must not be used with rim brakes.

What is the main advantage of the SmarTUBE X over a standard butyl tube?

The SmarTUBE X offers significantly improved puncture resistance due to its thicker construction and is much lighter and more compact, making it easier to carry as a spare.

Is this tube suitable for all types of cycling?

It is primarily designed for urban, gravel, and e-bike use where robustness and puncture resistance are key. It is also suitable as a backup for endurance road riding.

How much space does the SmarTUBE X save?

It takes up approximately 50% less space compared to traditional butyl inner tubes, making it an excellent space-saving option.

What are the weight savings compared to butyl tubes?

The SmarTUBE X can be up to 70% lighter than comparable traditional butyl inner tubes.

Which Pirelli tires are recommended for use with the SmarTUBE X?

The SmarTUBE X is designed to work optimally with the Pirelli CINTURATO and ANGEL tyre families.

What types of valves are available?

The SmarTUBE X is available with both Presta and Schrader valves in various lengths to accommodate different rim depths.

Troubleshooting

Tube won't inflate properly

Ensure the valve core is properly seated and tightened. Check that the tire is seated correctly on the rim and not pinching the tube.

Rapid air loss after installation

Inspect the tube for punctures, especially around the valve stem area and along the seam. Check for damage caused during installation (pinching).

Tube feels stiff or less pliable than expected

TPU tubes can feel different from butyl. Ensure the tube has been inflated to its recommended pressure. Store in a moderate temperature environment.

Difficulty fitting tube into tire

Slightly inflate the tube first to give it shape. Ensure the tire is fully seated on the rim before attempting to inflate to full pressure.

Pros and Cons

Pros

Significantly increased puncture resistance for reduced flats.
Much lighter and more compact than standard butyl tubes, saving space and weight.
Durable TPU material offers excellent elasticity and mechanical strength.
Wide range of valve types and lengths available for broad compatibility.
Ideal for the demands of urban commuting, gravel riding, and e-bikes.

Cons

Strictly incompatible with rim brake systems.
TPU material may be more sensitive to very high temperatures than butyl.
Potentially higher initial cost compared to basic butyl tubes.
Requires specific tire combinations (Cinturato/Angel) for optimal performance.
Not intended for extreme downhill or high-impact mountain biking.

Setup, Compatibility & Care

Setup:

Ensure your bicycle is equipped with disc brakes only. Do not attempt to install this tube on a bike with rim brakes.
Check that the valve type (Presta or Schrader) and length are appropriate for your wheel rim depth.
Gently inflate the tube slightly to give it shape before installing it into the tire.
Install the tire onto the rim, ensuring the tube is not pinched between the tire bead and the rim.
Inflate to the recommended pressure for your tire and riding conditions.

Compatibility:

Brake Type: Exclusively for disc brake systems.
Tire Families: Optimized for use with Pirelli CINTURATO and ANGEL tire models.
Wheel Size: Available in sizes suitable for 700c wheels with tire widths ranging from 28-50mm (check specific product variations).

Care:

Store the tube in a cool, dry place away from direct sunlight and sharp objects.
When carrying as a spare, avoid extreme heat or pressure that could deform the TPU.
Clean the tube with a soft, damp cloth if it becomes dirty. Avoid harsh chemicals or solvents.
Regularly inspect the tube for any signs of damage before installation.