In article <[email hidden]>,
Bill said:Ryan Cousineau wrote:
Quoted message said:Quoted message said:If you really loved your child, you'd build up a custom cyclocross bike:
http://flickr.com/photos/ttcopley/456758466/
More photos of the project:
http://flickr.com/photos/ttcopley/sets/72157594551105230/
What's going on here is that the new owner of this bike was a
cycling-mad 7-year-old who sincerely wanted a road bike. So we built one
on a 20"-wheeled frame.
The project turned out so well (both technically and in terms of how
much the rider liked it) that I'm convinced a flat-bar version of this
bike would be the most humane type of kids bicycle. Indeed, the
7-year-old now has the fastest bike on the block (the other trick was
equipping the bike with some slick-ish 20" BMX tires; not as quick as
going for full-on 20" racing tires (available thanks to recumbent riders
and fast folding bikes), but far cheaper and more appropriate).
Sora shifters have adjustable reach,
If you are mechanically adept, then that would be a great project.
Quoted message said:The only big problem I have had is teaching the kids
to properly secure their bikes against theft rather than just dropping
them on the front lawn.
Of course if you made them a bike to brag about they would probably take
pains to make sure it was secure.
This project was entirely rider-driven, as it should be. Indeed, the
proud owner has an older brother who is essentially indifferent to
cycling, and happily (but casually) rides his stock kid-sized MTB around
the neighbourhood.
Quoted message said:I like the project but finding 20" slicks had to be a real search.
Cheers on the effort and results.
Bill Baka
20" semi-slicks were dead-easy to find: you just look for BMX "flatland"
tires, the stuff the freestyle riders use for riding skate parks and
urban terrain.
Here's Kenda's selection:
http://www.kendausa.com/bicycle/street.html
Some of these tires are more slick than others, and some are sorta
inverted-tread, but all are more free-running and grippier than
knobbies, and more would be overkill for most kids.
The next step up are the truly fast and skinny 20" tires, readily
available by mail-order, but as it happens the recumbent-specialty shop
in Vancouver does stock them (prices start at $30 or so).
The set that ended up on this bike were some off-brand that was at a
nearby bike shop (I am privileged enough to have three within walking
distance of my house), C$8 each. Any shop with a pretense of serving
BMXers is likely to stock tires of this type, though perhaps not as
cheaply.
The brakes took some work, and getting a 20" fork with canti posts and
the correct steer tube was not trivial. I ended up at one point staring
at two 20" forks I already owned, and realizing that neither would
actually work. Aside from the common 1" and 1-1/8" fork sizes, BMX forks
sometimes come with a 21.1 steer tube diameter, which for this project
was a bit of a dead end. All came to the good when Dad found a 1"
threaded fork with canti posts at Our Community Bikes (used parts and
bike-fixing co-op).
--
Ryan Cousineau [email hidden] http://www.wiredcola.com/
"I don't want kids who are thinking about going into mathematics
to think that they have to take drugs to succeed." -Paul Erdos