i rode my ct with 650 tires this morning, just like most mornings. and before i had the ct, i used a cyclops fluid. by the way, i ride a cannondale too.

what kind of trainer do you have?

Blackburn.

We have two trainers, actually- can't remember what kind the other one is. I only tried her bike in the Blackburn, as that's the trainer she usually uses. Guess I'll have to try it in the old one, too.

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"People think it must be fun to be a super genius, but they don't realize how hard it is to put up with all the idiots in the world."

I have a trainer from Tacx (is the one with electric resistance) and I tried once with a 650 wheel and it didn't work. Maybe there's a piece that's missing on my set.

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I just picked up a one year old used Tacx Flow model with all the heart rate, watt, etc gizmo on it. It comes with a little conversion clamp thingy for 650's. Haven't had a chance to figure out how it works yet.

I have the Blackburn mag trainer and ride 650s and it works. I have a Trek 2200 WSD. Before I had a Minora which didn't and I had to send it back.

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Depends on the trainer. I ended up getting a 1up because it was designed to adjust to fit 650 tires if need be.

Thanks all. I'll try putting it on the other trainer tonight (Minoura, I remembered) and see if it works on that one.

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"People think it must be fun to be a super genius, but they don't realize how hard it is to put up with all the idiots in the world."

klep

i have the tacx flow. the resistance unit mounts to the frame with a piece of black plastic. does this sound familiar? for 650c wheels you need to remove the resistance unit from the frame (take screws out) and replace the existing mounting bracket (piece of black plastic) with the alternative mounting bracket that should have been included with the spare parts when you bought the trainer. It is a piece of bigger black plastic that lets you get the resistance unit closer to the wheel to accommodate 650c wheels. the downside is you can no longer use a bike with 700c wheels on the trainer unless you replace the original mounting bracket. so the trainer has to be set up for one or the other. sorry if that is confusing. good luck.

jay