Bicycle Mechanics - Inner Tube 700 vs 27 inch

Bikeforums.net is a forum about nothing but bikes. Our community can help you find information about hard-to-find and localized information like bicycle tours, specialties like where in your area to have your recumbent bike serviced, or what are the best bicycle tires and seats for the activities you use your bike for.



PDA

View Full Version : Inner Tube 700 vs 27 inch

dtipton
05-19-07, 06:48 PM
Can I use a 700 inner tube on a 27 inch wheel?

I have an 80's Schwinn Letour and it has 27 inch wheels with presta holes. I'm having some trouble finding 27 inch presta tubes.

dtipton
05-19-07, 06:54 PM
I have a 700X23 presta tube on hand, I'm running 1 x 1/4 tires on the 27 inch rims.
well biked
05-19-07, 07:18 PM
The tubes are completely interchangeable. The rough equivalents when comparing 27" tire sizes to 700c: 27 x 7/8 ~700 x 23c, 27x 1 ~700 x 25c, 27 x 1 1/8 ~700 x 28c, and 27 x 1 1/4 ~700 x 32c. So for your 27 x 1 1/4 tire, you'll need a tube suitable for a 700 x 32c tire-

Bill Kapaun
05-19-07, 08:42 PM
Often on some 700c tube boxes, you'll see the 27" size also mentioned.
dtipton
05-19-07, 09:19 PM
Thanks!
Retro Grouch
05-20-07, 06:27 AM
I have a 700X23 presta tube on hand, I'm running 1 x 1/4 tires on the 27 inch rims.

It'll work but, if you were buying one, I'd look for the 700 x 28mm to 35mm size.