Selasa, 05 November 2013

What size/type dirt bike do we buy for our son?

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Jill


We want to buy my 11.75 yr old son an off road bike and he has very very little experience riding. He is 5'5. Please help. We are adventuring down a path we are unfamiliar with.
He weighs about 110 lbs.



Answer
The Honda CRF100 or 150 trail model, Yamaha TTR 125, or Kawasaki KLX125 would all be great choices.
If you don't feel the need to be dropping 2 grand on a brand new bike, most of these bikes you can find a couple years old in pretty good shape for much less. Check ebay or your local dealership.
Also do not forget to put him into some safety equipment, a good helmet and a good pair of boots are a must as well as goggles, chest protector and gloves. Pants and jersey are also a good idea but not a must. Now back to the bike, Steer clear of bikes like the KX85, YZ 85, CR 85, RM 85, or CRF150R. He is going to think they look cool, and they do they are also much faster and much more expensive, these are race bikes not entry level bikes. Make sure he can also touch with at least his toes on both sides, if he cant reach the ground the bike is to big, if he can sit on the bike flat footed knees bent, the bike is to small. Hope this helps

Why are there fewer commuter-cyclists lately? What are the main thresholds to bike-commuting?




LastGenera


Imho, the bike manufacturers are to blame, and here are my opinions. What's your two cents?

In my view, bike saddles are uncomfortable and possibly cause the dreaded Male Dysfunction Syndrome. Also, the Shimano fancy gears and shifters wear out in only 1,000 miles and are costly. In comparison, old bikes had gears/chains that lasted 20 years or more.

Open-face bike helmets don't protect the teeth from impact, and there imho aren't inexpensive full-face helmets for people who wear glasses, size 63cm, or XXL.

Then, there's bike theft.

Any other reasons not listed here?



Answer
I hate to say it, but I strongly disagree on every point you've listed.

The 'root' of the low visibility of commuter biking is that the population (as a whole) has been encouraged to obtain and then maintain a sedentary lifestyle. Suburbanization and the 'sprawl' left over from the 50's contributes to longer commutes in terms of distance and time. Working longer hours at a given job means less time to make the travel between home and work .. which results in looking for a faster means of doing so.

The average level of activity in today's population is around 50 percent of the activity level of the 1950's population. That means folks are simply doing less in the way of exercise, and when they do attempt it, it is less strenuous. Sure, there's a handful of exceptions who take exercise (and strenuous types at that!) as a way of life ... but they are more than compensated for by those who do absolutely nothing.

I've ridden on the same Shimano drivetrain on each bike I own (the newest one is a 2004, the oldest is a 1969, and there are three from different ages in between). No bike has less than 7500 miles on it ... the 2004 road bike has almost 8000 miles in just over 2.5 years of riding. There's nothing wrong with the shifters, brakes, rings, cassettes, chain, or freewheel on any of the bikes.

The variety of saddle materials and shapes out there means there's something for everyone. The more probable cause of an uncomfortable saddle experience is that you aren't fitted properly to the bike itself! Check your overall fit at a local bike shop ... there's a fair bit of geomtery involved. And no two people are exactly the same, so your setup has to be somewhat 'custom'.

Cleanup after arriving at work from a lengthy commute can be tricky, if your place of employment doesn't have showers. However, it's pretty much guaranteed it DOES have a washroom - which means running water. Pack a cloth and a towel, some work clothes, and some soap/deodorant. You can clean up with relatively little fuss quite quickly.

As to theft - there's a couple of answers to this. One is to use a 'beater' bike for the commute, so it doesn't appear as attractive to potential thieves. The other is to subtly pressure your employer into providing safe storage during the workday. Email me - I can give you a good example of how I changed the way things were done with my previous employer. Or check a previous answer I've given here on Yahoo! Cycling ... it pretty much portrays the same example.

As to actually pressuring the employer ... use the idea that a fit and active employee is a better health risk from an insurance point of view, so it would be to his benefit to set up safe storage in lieu of higher premiums.

Lastly - there are several styles of bicycle out there on the market. The 'commuter' bike is designed specifically for getting around an urban area; it's slightly more comfortable riding position than a true road bike, and easier to pedal and manoeuvre than a mountain bike. They can be found fairly cheaply; take a look at your local shop. Then try a couple of styles out ... there's one out there for everyone. If you can't find a good bike for you out there, it isn't usually the manufacturers fault - it's yours, for not doing the legwork (and yes, sometimes that means exercise as well!).




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