Singlespeed & Fixed Gear - 700c rims on a 27" frame

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.




View Full Version : 700c rims on a 27" frame


slopvehicle
05-04-04, 07:42 PM
Pardon me if this has been discussed before, but...

I've got an old Peugeot 27"er (early 70s) that needs some, um, "fixin." I'd like to buy a cheap fixed wheelset and give the whole thing a try, but most of the pre-made rims are 700c.

Since 700c frames seem to be a bit more popular-- and since I'm not especially attached to this bike (it's just the bike I have), I've been thinking about just slapping a set of 700c wheels on.

Apart from the rear brake not reaching, are there any issues that'd arise? How does a bike designed for 27 handle when given 700s? The difference in size seems fairly slight.


OneTinSloth
05-04-04, 08:22 PM
it will be fine. in fact, the brakes will probably have a long enough reach anyway.

goatmeal
05-04-04, 09:12 PM
Do it,

Ditch the brakes..


stevo
05-05-04, 04:57 AM
Difference is 4mm. The amount of air in you tires has more affect .

Since the wheelse is circa 70's, the rear wheel is threaded for a freewheel. Did you consider simply slapping a track cog on the current wheel? Cheap and easy. and cheap.

svwagner
05-05-04, 07:08 AM
Pardon me if this has been discussed before, but...

I've got an old Peugeot 27"er (early 70s) that needs some, um, "fixin." I'd like to buy a cheap fixed wheelset and give the whole thing a try, but most of the pre-made rims are 700c.

Since 700c frames seem to be a bit more popular-- and since I'm not especially attached to this bike (it's just the bike I have), I've been thinking about just slapping a set of 700c wheels on.

Apart from the rear brake not reaching, are there any issues that'd arise? How does a bike designed for 27 handle when given 700s? The difference in size seems fairly slight.

it's fine. i run 700c on a used-to-be 27". ditch the rear brake; front-brake might already have enough reach. if not, there are a few choices out there that will work. i'm running a sweet dia-comp centerpull.