Help to find right size of tube

[Rider5]

Can any one help me iam going to NC500 trip just want to buy extra tubes just to be on the safe side but when I go online to buy it says select 130/70 or number go on and on I have scorpion rally oem tyres which came along bike please help to select the right size of tube front and rear?

Edited July 16 by Rider5

[Redbikejohn]

Rear is a 150 wide tyre but most tubes won't be listed as that. 

140x18 or 400 or 450 is all fine. 

Mitchelin or v rubber 

[Samm]

What he said^

 

Here's the order for my set of back-up tubes from revco.ca 

 

 

Who are you ordering from? Give us a link and we can show you what to order...

 

 

[AZJW]

A "Not so good" experience with 140/80-18 MotoZ HD tube, so sometimes sizing does make a difference.