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#21
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MTB front wheel bearings.
"AMuzi" wrote in message ... On 11/18/2014 12:24 PM, Ian Field wrote: "Frank Krygowski" wrote in message ... On 11/17/2014 4:53 PM, AMuzi wrote: Most fronts are 13mm flats. As with everything, some are not. Notably, some current low-end cones[1] are famously somewhere between 13mm and 14mm. It's annoying in front but a real pain on the just bigger than 15mm but not 16mm rears. [1] the ones with four flats. Yes, two chances to be off spec and they fail twice. ! That's exactly was what was on that Toys-R-Us bike I fixed the other week! What the hell? Is China instituting another measurement system?? They're copying Japanese steel - which is actually soft cheese in disguise. Maybe at one time; in the 1950s, pressed steel toys from Japan were indeed formed from recycled crap. Pretty much everything everywhere is made from recycled crap. Metal was top of the list long before the recycling craze took hold. |
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#22
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MTB front wheel bearings.
On 11/18/2014 3:23 PM, Ian Field wrote:
"AMuzi" wrote in message ... On 11/18/2014 12:24 PM, Ian Field wrote: "Frank Krygowski" wrote in message ... On 11/17/2014 4:53 PM, AMuzi wrote: Most fronts are 13mm flats. As with everything, some are not. Notably, some current low-end cones[1] are famously somewhere between 13mm and 14mm. It's annoying in front but a real pain on the just bigger than 15mm but not 16mm rears. [1] the ones with four flats. Yes, two chances to be off spec and they fail twice. ! That's exactly was what was on that Toys-R-Us bike I fixed the other week! What the hell? Is China instituting another measurement system?? They're copying Japanese steel - which is actually soft cheese in disguise. Maybe at one time; in the 1950s, pressed steel toys from Japan were indeed formed from recycled crap. Pretty much everything everywhere is made from recycled crap. Metal was top of the list long before the recycling craze took hold. There's a difference between Nucor's specialty steels and the not-quite-steel remnants of ships at Goa with random amounts of copper and whatnot mixed in. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#23
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MTB front wheel bearings.
On Monday, November 17, 2014 2:12:04 PM UTC-5, Ian Field wrote:
Am I right to assume the front bearings also have 9 balls per race like the back wheel - just smaller balls? Great care was taken to poke the balls out of the hub onto an old T-shirt, I ended up with 18 of them - losing an even number would be too much coincidence! Thanks. leave space for minus one ball or one 13/16ths ball...leave a space doahn shove ONE MORE BALL in tight....no 1/8th ball spaces...leave a one plus 1/8th space. or consult the manual |
#24
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MTB front wheel bearings.
one's that aren't.
http://goo.gl/DY0mBu grinding one the these maybe positive. I have 2-3 not for grinding down but if tere's a solid improvement over Park's bendables......you may find a dealer at a rural flea market also possess a box of late '70's Japanese Taiwanese axles and cones made from UFO steel. very impressive at grade 8- overly done as early Volvo and Toyota |
#25
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MTB front wheel bearings.
On 18/11/2014 21:20, Ian Field wrote:
"AMuzi" wrote in message ... On 11/18/2014 1:04 PM, Ian Field wrote: "Clive George" wrote in message ... On 18/11/2014 18:24, Ian Field wrote: They're copying Japanese steel - which is actually soft cheese in disguise. Those samurai swords were notoriously poorly made, weren't they... That was before the industrial revolution. So you agree that premium quality steel in Japan has a long and successful history. With the exception of bolt and screw heads on Japanese motorcycles. If you attempt servicing with anything less than an impact driver, you'll just gouge out the screw head. Would that be because after many years of reliable service, the bolt is seized in? You'd be ok with a British motorbike - you'd have had to dismantle the thing every few months to keep it going :-) |
#26
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MTB front wheel bearings.
On Tue, 18 Nov 2014 19:18:02 +0000, Clive George
wrote: On 18/11/2014 19:04, Ian Field wrote: "Clive George" wrote in message ... On 18/11/2014 18:24, Ian Field wrote: They're copying Japanese steel - which is actually soft cheese in disguise. Those samurai swords were notoriously poorly made, weren't they... That was before the industrial revolution. And since then they seem to have no problem working steel either. Or indeed other materials. Shimano dominate the bike component market, and that's because by and large their kit works. Your comment was dumb. There may have been a time when "Made in Japan" was a similar indication of quality to "Harbour Freight" or "Poundland", but that has long gone - they're world leaders, setting standards rather than trying to catch up. During the 1950's I was stationed in Japan and the overall consensus was that "Japanese Made" was simply another variation of "Poorly Made". Then, of course, the clever little creatures discovered "foreign trade" and being clever sent depositions to all these foreign countries to see what the "foreigners" wanted to buy. But more interesting, there was a Japanese song, apparently from the pre-war years that's title was "The Celluloid Doll from America" which described a cheap plastic doll from America as being pretty but very poorly made. It seems that the cheap, foreign made goods was a two way trade :-) -- cheers, John D.Slocomb |
#27
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MTB front wheel bearings.
wrote in message ... On Monday, November 17, 2014 2:12:04 PM UTC-5, Ian Field wrote: Am I right to assume the front bearings also have 9 balls per race like the back wheel - just smaller balls? Great care was taken to poke the balls out of the hub onto an old T-shirt, I ended up with 18 of them - losing an even number would be too much coincidence! Thanks. leave space for minus one ball or one 13/16ths ball...leave a space doahn shove ONE MORE BALL in tight....no 1/8th ball spaces...leave a one plus 1/8th space. or consult the manual Its an obscure supermarket special that I scrounged on Freecycle a few years ago - I can't remember whether I ever managed to track down a manual. Once I'd been advised the correct number of ball bearings, I opened the hub on the old wheel I took out to pinch a couple of balls. It had cages, one of which had pretty much disintegrated - pretty scary since I sometimes visit the next town, which is down a very steep hill. AFAICR; that's the same front wheel as when I got the bike. The rim may not be as wobbly as I thought. |
#28
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MTB front wheel bearings.
keep it going :-(
Loctite saved the British Empire |
#29
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MTB front wheel bearings.
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