[name?of]KENDA?700*18/23C?FV?60L method?to build large?mouth?tube

[specification]700*18/23C?FV?(only?support?mouth?road car?is applicable)

[gas?nozzle type?by?mouth

[gas nozzle?length]60L/60mm

1?for?the 700?road car，?use the?width of 19C to?23C?within the scope of the?tire?supporting.?(for example，?700*20C，700*21C?tire?model 700*19C，?700*22C，?700*23C，?on the choice of?the?size of the?inner tube)

Comrades，?tube?before?purchase，?please note:

1 some?friend said: "I?put the?tube?fitted?to the car，?before riding?no one day，?how?the tire，?the?tire tube?quality?too much garbage...."?Note:?tire?inner tube?is?not?poor quality，?your?tyre?pierced，?or your?tire?inside the?debris，?or you do not have?installed?tubeless?tire，?injury，?puncture?is to look at?the character of the?oh

2: some?fans?said:?"how the?inner tube?filled with gas，?how?the expansion?is not uniform??The quality?is too poor."Note:?This is the?high school?physics class?when?you?have no?class，?it is because the?gas?at the mouth of the?rubberis?a bit thick，?the other parts?are?a little thin，?different?thickness，?by?the same pressure，?expansion?of course?not the same?size

3: and?if you said:?"how my?inner tube?last night?hit the?gas，?and this morning it?leak?finished"?note:?in addition to the first?reason，?there is?a valve core?loose?you，?need to?tighten

How to correctly?test?received?tube?has no problem:?a little air，?and then?into the water，?have a look?there is noleakage.?But?the shopkeeper?to sell?so long?tube，?one thousand?estimation?is not?used?there?is?a?problem

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