tube size confusion

[s.e.charles]

aww jeez . . . . are the tube i ordered NOT going to work . . . .

ps: i just ordered (2 + spare) the SV16 tubes w/ 40 presta from the Big A; so i can send them back if it's a problem.

https://www.amazon.com/dp/B0043Q1D1W?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1&psc=1

i'm ready to take up knitting!

 

[hamster]

Those should work - they say 700C and 630, which is 27" in UK speak. As I said, the imperial size numbers are confusing.

 

[grantoury]

aww jeez . . . . are the tube i ordered NOT going to work . . . .

ps: i just ordered (2 + spare) the SV16 tubes w/ 40 presta from the Big A; so i can send them back if it's a problem.

https://www.amazon.com/dp/B0043Q1D1W?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1&psc=1

i'm ready to take up knitting!

You'll be studying wool thickness variations...

Respect to @non-fixie for a decent explanation. I think you have to consider almost 150 years of cycling history and different countries handling different measuring systems and developing several wheel sizes for different applications and you end up with a maze of sizes. Etrto has unified different sizes into a system but still older terms persist...