Thursday, August 29, 2013

Are there any 24inch cruiser bikes?

kids bicycle 24 inch
 on ... inch bicycle rims 20 inch bike tires 20 inch rear bike wheel BMX Bike
kids bicycle 24 inch image



Adam


My dad is in need of a new bike and really likes the older "vintage" style cruiser bikes. He says they are very comfortable and the high handle bars do not make his back hurt like traditional bikes do. The only problem is that he is about 5'8" and says the 26 inch bikes are too tall for him. All of the bike stores where I live only have 26" and up size cruiser bikes.

I'm wondering if there are 24" cruiser style bikes that are designed for men. He is very well built, and I wonder if the boys bikes will be suitable for him. I also cannot find any that have multiple gear ratios, as would be necessary for longer rides.

Or as an alternative, could I purchase a 26" bike and just put on 24" rims and tires, or would there be problems with this?


Thanks.
Thanks for the advice, you all have convinced me. Now to convince him.



Answer
He's PLENTY tall to get on a bike with 26" tires. 24" tires? He'd be riding a kid's bicycle with his knees up in his chest. Not only uncomfortable - but downright dangerous! G.T.A.B.S. Go To A Bicycle Shop. A REAL bicycle shop. Test ride a few.

Rigid Bicycle Stand Alternatives?




Oliver K


Im currently involved in a project that needs to support a a standard 24" pedal bicycle while a person rides it (basically a stationary bicycle). The project needs to be designed for excessive side to side loads because little kids are going to ride it and probably not ride it properly. Im looking for other options then rather just mounting supports at both axles, or if anybody has a different idea of how to go about this


Answer
The bike is already designed to take its loads through the axle mounting points, so why not use those?

On another note, if the bike uses a standard size circular cross-section tube, and it's a steel frame (I know, these aren't as common any more), then you can put machinable shaft collars at a couple of points on the frame or even the seat post, and mount those to whatever support structure you dream up. While I was working in a group designing a handcycle that would attach to an existing wheelchair, we did some testing on shaft collars clamped onto the steel tubing that's common in bicycles. We found that any rubber or spacer material that seems like it would help it "grip" decreases the strength a great deal. With a closely matched bare shaft collar on a painted one inch steel tube, we had a 200 pound engineer hanging off of an 8 foot long cheater bar trying to shift the shaft collar- and it didn't budge.

You could probably get the job done safely and effectively with these shaft collars, but something I'd like to emphasize is that when you're throwing weight around, something has to give. If the bike is totally rigid, it will fatigue the rider and seem very unnatural. Any shock or impulse loads that are not taken up in some amount of compliance or damping can add up to very high local stresses- either at your mounting points, are at other points in the bicycle that would have previously had an acceptable factor of safety.




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Title Post: Are there any 24inch cruiser bikes?
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