QITUEX Ridenow TPU Inner Tubes 700C 32-47C 2-Pack — 65mm Metal Presta Valves, Repair Kit

These are two lightweight, TPU inner tubes for 700C gravel wheels, sized 32–47C, fitted with 65mm metal Presta valves with removable brass cores and including a repair patch kit.

If you ride gravel or mixed-surface bikes and need a reliable spare or replacement tube, the QITUEX Ridenow TPU pair brings a balance of low weight, puncture resistance, and serviceable valves. Built from thermoplastic polyurethane elastomer, each tube is engineered to be lighter than traditional butyl tubes while maintaining strong tear and temperature resistance for everyday use and racing scenarios.

How do these tubes stand up to punctures and rough terrain?

TPU material is tougher and more abrasion-resistant than standard butyl rubber, so these tubes resist small cuts and repeated flexing better. They aren't puncture-proof but will often survive harsher conditions and offer longer life between replacements.

• Thermoplastic polyurethane construction for improved abrasion and cut resistance
• Stable performance across a wide temperature range
• Includes repair patch kit for quick field fixes

Are the metal Presta valves serviceable and compatible with my rims?

The tubes use a high-strength aluminum alloy valve with a removable brass core, making them lighter than full-brass valves yet easy to maintain. The detachable core works with threaded valve extenders and standard Presta pumps, and the 65mm stem suits deeper rims.

• Replaceable valve core for cleaning or swapping in the field
• 65mm valve length fits medium to deep-section rims
• Better air retention and corrosion resistance than many standard valves

What sizes and inflation guidance should I follow?

Each tube accommodates tire widths from 32C up to 47C, making them versatile across gravel, cyclocross, and many commuter tires. To avoid damaging the TPU, inflate gradually: start with a low pressure to seat the tube inside the tire and perform a cautious bare-tube test only up to the recommended low PSI.

• Compatible with 700C tires sized 32–47C (one tube per tire, sold in a 2-pack)
• Initial seating inflation: ~0.5 PSI, do not exceed 5 PSI for bare-tube testing
• Follow rim and tire manufacturer riding pressures after installation

How do I maintain and repair these tubes on the road?

The removable valve core simplifies topping up or swapping tubes without fully deflating, and the included patch kit lets you handle most small punctures during a ride. Routine checks—making sure the tube isn't pinched and the rim bed is clean—will extend service life.

• Removable core lets you use a tubeless pump or add sealant if needed
• Repair patch kit for field repairs to small punctures
• Inspect rim strip and bead seating before final inflation

Who is this for? Cyclists who want a lightweight, durable spare for gravel rides, mixed-terrain commutes, or racing will appreciate this QITUEX 2-pack. It's particularly useful for riders using deeper rims who need a longer Presta valve, those who prefer TPU benefits over butyl, and anyone who values a repair kit and a serviceable valve for easier roadside maintenance.