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Race 28 is a reference to the rim diameter which is equivalent to 700.
PREMIUM INNER TUBES - Preferred by champions and riders worldwide
MOLD CURED AND SEAMLESS EXTRUSION - Creates a consistent tube that is perfectly round
REMOVABLE VALVE CORES - Useful for adding extenders or using Revo Sealant
Continental standard weight presta valve tubes. Seamless and mold cured construction. Presta and Schrader have removable valve cores. Presta and Schrader valves are threaded full length. Weight: 100. Valve: Presta Med 41-55mm. ISO Diameter: 622 / Road / 29". ISO Width: 18. ISO Width: 19. ISO Width: 20. ISO Width: 21. ISO Width: 22. ISO Width: 23. ISO Width: 24. ISO Width: 25. Labeled Size: 700 x 18-25. Tube Compound: Butyl. Valve Core: Removable. Presta Shaft TYPE: Threaded.
700 x 20-25cc
Most Helpful Customer Reviews
I ordered two of these for use with the Vittoria Randonneur Pro II 37 RFX Fold Bike Tire. These have removable valve cores, which is at best a mixed blessing. I understand that in principle this is a good thing, at least for people who wish to inject sealant and such, but when the tires are assembled, the assumption should be that at least 80% of riders will never want to remove the cores. The cores should instead be factory-tightened to make sure they stay in. Unfortunately, this wasn't the case for either of the tubes I received.
I find these to be good quality tubes and have never experienced a manufacturing defect issue. I usually remove them from the box, put in a ziplock sandwich bag and sprinkle liberally with baby powder before storing in my seat bag for future use. The baby powder makes them easier to slip into place when installing and even easier to see if working in the dark.
We had two flats on one ride with these tubes the second happened because the valve snapped in two I'm never buying them again .
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Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!
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