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Japanese standards
On Tuesday, November 25, 2014 10:11:36 AM UTC-5, AMuzi wrote:
On 11/24/2014 6:24 PM, wrote: https://www.google.com/#q=japanese+b...+JIS-standard+ cycles for several years on my Mom's Raleigh 3 speed. The bike was stolen, after painting, by bicycle thieves. A '78 or?* Raleigh carbon steel replaced the 3 speed. A knowledgeable type placed Frank Berto's approach to 10 speeds and after Rodale book in the Palm Beach Library and there Frank discussed the wonders of JIS. Wonders indeed as I was completely unaware before that of interchangeable parts I had a vague idea parts were proprietary. Of note and pivotal, LBS were not forthcoming on this crucial fact. The before internet/Sheldon Brown LBS Guild Factor. https://www.google.com/#q=frank+bert...+books&spell=1 http://www.amazon.com/Bicycling-Maga.../dp/0878577513 First search for standards in bicycles short listed spindles Well, JIS is sorta more like a general suggestion and doesn't apply to everything. Regarding bicycle hub cones, as concurrently discussed here, Sunshine Gyromaster and Shimano Dura Ace 7300 series are notable outliers of cones which fit no other product before or since and both were made/sold in high volume. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 LET US NOT BLOCK INNOVATION only obstructive competition degrading for everyone.... ancient Japanese saying, once forgotten. so the two exceptions were worth the deviation or ? for what reasons ? CHEAPER TO MAKE, faster lower longer wider , more lasting, ? nutball engineer took control ? I was stunned by Berto's information now for the wooden beam... when you build a wheel.... but there are no new wheel builders here.... |
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