Carrying spare tubes?

[Jacobsroodt]

Carrying spare tubes for a 21" front and 18" back can become heavy and take up space.

Can one carry just one 21" front inner tube, that will fit in the 18" rear tyre when needed?

 

[m0lt3n]

 

[Puls0nic]

 

[Jacobsroodt]

 

[Fuzzy Muzzy]

 

[Blikkies1]

 

[Roxtar]

 

[Andrew_Smith]

 

[Blikkies1]

 

[Bill the Bong]

 

[Dwerg]

 

[Tabasco]

 

[Dux]

 

[ClimbingTurtle]

 

[Andrew_Smith]

 

[Malmoer]

 

[Dux]

 

[Fuzzy Muzzy]

 

[m0lt3n]

 

[Welsh]