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Stronger rubber cement?
On 2017-01-16 19:28, jbeattie wrote:
On Monday, January 16, 2017 at 4:23:53 PM UTC-8, Joerg wrote: On 2017-01-16 13:39, Sir Ridesalot wrote: On Monday, January 16, 2017 at 2:39:18 PM UTC-5, jbeattie wrote: On Monday, January 16, 2017 at 11:03:05 AM UTC-8, Joerg wrote: On 2017-01-16 10:43, David Scheidt wrote: Joerg wrote: :Yup. Standard bicycle tubes are usually junk. Would you accept it if you :had to pump up the tires of your car every two weeks? Yet most cyclists :think this is "normal". Automotive tires have a much lower ratio of surface area to volume than bike tires. They're also run a lower pressure, for the most part. Truck tires are often operated around 50psi or higher. Like my MTB tires are. A truck tire weights as a much as TWO UCI minimum race bikes -- or one DH bike. Now throw in the rim. You have peculiar expectations for bicycles. You're theoretically perfect bike would weigh about 250lbs. -- Jay Beattie. I've said it before and I'll say it again. What Joerg's wants in a bicycle are would be met by a 250cc dirt-motorcycle converted to pedal power and the engine removed. I find it astounding that so many others who ride in very harsh conditions do NOT have the breakages or other problems that Joerg does. According to several bicycle shop owners they do. Many said that two factors allowed them to survive as a business: 1. Mountain bikers breaking stuff all the time. 2. Department store bike buyers who needed help and found that the store that sold their bikes was less than helpful. Unlike cars, which never need to be fixed, and that's why there are no auto repair shops. http://tinyurl.com/jba5fgb Care to compare the number of vehicles plus the miles traveled? Maybe then it becomes more clear. Cars are way more reliable than bicycles. Especially if you buy top quality cars like we did. Other than regular scheduled maintenance there were no breakdowns in the whole two decades we own them. None, as in zero. Not even one flat tire. Try that with a bicycle. -- Regards, Joerg http://www.analogconsultants.com/ |
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