{"id":1387,"date":"2009-05-15T19:25:40","date_gmt":"2009-05-15T23:25:40","guid":{"rendered":"http:\/\/www.angryredplanet.org\/log\/?p=1387"},"modified":"2015-11-23T11:01:14","modified_gmt":"2015-11-23T16:01:14","slug":"trek-helicomatic-bearings","status":"publish","type":"post","link":"https:\/\/www.angryredplanet.org\/log\/2009\/05\/15\/trek-helicomatic-bearings\/","title":{"rendered":"trek, helicomatic, bearings"},"content":{"rendered":"<p><center><br \/>\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- the angry red planet text v1 --><br \/>\n<ins class=\"adsbygoogle\"\n   style=\"display:inline-block;width:468px;height:60px\"\n   data-ad-client=\"ca-pub-1937695610111096\"\n   data-ad-slot=\"2869187386\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><br \/>\n<\/center><\/p>\n<p>~ the rear hub on our trek 460 is an outdated and oft-disparaged &#8216;helicomatic&#8217; from the french company maillard; every few hundred miles, the wheel begins to wobble, and we have to tighten the outdated cones. a couple of weeks ago, we tightened them just enough feel no resistance when spinning the wheel, but when we mounted the wheel and tested it, there was a terrible grinding noise, and the wheel would sometimes stop suddenly.<\/p>\n<p>we opened the hub and looked inside. the bearings on the &#8216;left&#8217; side of the wheel were scarred and some of them were split to pieces. our plans for an afternoon ride were dash&#8217;d.<\/p>\n<p>we don&#8217;t know anything about bikes that any tool can&#8217;t learn by using google. so any knowledge that we utilized in &#8216;repairing&#8217; our trek could be checked against online information, if there was any available. in the event, we were unable to find any definitive information.<\/p>\n<p>for example, sheldon brown [<a href=\"http:\/\/www.sheldonbrown.com\/velos.html#helicomatic\" title=\"sheldon brown\">w<\/a>] states that the hubs &#8216;used 13 5\/32&#8243; balls on the right side&#8217;, but he doesn&#8217;t specify what they use on the left side &#8211; the same, or something different? meanwhile, a flickr page has photos of the helicomatic states that the hub uses 3\/16&#8243; bearings. the folks at yellow jersey [<a href=\"http:\/\/www.yellowjersey.org\/helico.html\" title=\"yellow jersey\">w<\/a>] are able to tell us that the bearings are <strong>not<\/strong> 1\/4&#8243;, at least. <\/p>\n<p>the point of all this is to preface our list of procedures with a statement that we were working with contradictory information, so anyone reading this page whilst dealing with their own helicomatic issues should bear that in mind.<\/p>\n<p>the bearings that fell out of the hub were 5\/32&#8243;, so we figured that&#8217;s what we would replace<br \/>\nhowever, maybe the reason they splintered in the first place is that they were the wrong size. sheldon brown&#8217;s half-info and our personal experience persuaded us to stick with the 5\/32&#8243; bearings.<\/p>\n<p><img decoding=\"async\" src=\"\/log\/images\/20090428A.jpg\" alt=\"helicomatic\" title=\"helicomatic\" \/><br \/>\nhere&#8217;s the hub. note the scarred spokes!<br \/>\n<!--more--><\/p>\n<p><img decoding=\"async\" src=\"\/log\/images\/20090428B.jpg\" alt=\"5\/32 inch bearings\" title=\"5\/32 inch bearings\" \/><br \/>\n5\/32&#8243; bearings. 1\/4&#8243; bearing in background.<\/p>\n<p><img decoding=\"async\" src=\"\/log\/images\/20090428C.jpg\" alt=\"bearings\" title=\"bearings\" \/><br \/>\nthere&#8217;s a big difference.<\/p>\n<p><img decoding=\"async\" src=\"\/log\/images\/20090428D.jpg\" alt=\"helicomatic\" title=\"helicomatic\" \/><br \/>\nreplace the axle and pour in the bearings.<\/p>\n<p><img decoding=\"async\" src=\"\/log\/images\/20090428E.jpg\" alt=\"helicomatic bearings\" title=\"helicomatic bearings\" \/><br \/>\n13 bearings.<\/p>\n<p><img decoding=\"async\" src=\"\/log\/images\/20090428F.jpg\" alt=\"helicomatic\" title=\"helicomatic\" \/><br \/>\npack in the grease.<\/p>\n<p><img decoding=\"async\" src=\"\/log\/images\/20090428G.jpg\" alt=\"helicomatic\" title=\"helicomatic\" \/><br \/>\nplace the plastic ring over the bearings.<\/p>\n<p><img decoding=\"async\" src=\"\/log\/images\/20090428H.jpg\" alt=\"helicomatic cone\" title=\"helicomatic cone\" \/><br \/>\npoor pockmarked cone. will i ever find another?<\/p>\n<p>continued in &#8216;<a href=\"\/log\/2009\/05\/16\/trek-helicomatic-bearings-part-2\/\" title=\"helicomatic\">trek, helicomatic, bearings, part 2<\/a>&#8216;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>~ the rear hub on our trek 460 is an outdated and oft-disparaged &#8216;helicomatic&#8217; from the french company maillard; every few hundred miles, the wheel begins to wobble, and we have to tighten the outdated cones. a couple of weeks ago, we tightened them just enough feel no resistance when spinning the wheel, but when [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[18],"class_list":["post-1387","post","type-post","status-publish","format-standard","hentry","category-general","tag-bikes"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.angryredplanet.org\/log\/wp-json\/wp\/v2\/posts\/1387","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.angryredplanet.org\/log\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.angryredplanet.org\/log\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.angryredplanet.org\/log\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.angryredplanet.org\/log\/wp-json\/wp\/v2\/comments?post=1387"}],"version-history":[{"count":11,"href":"https:\/\/www.angryredplanet.org\/log\/wp-json\/wp\/v2\/posts\/1387\/revisions"}],"predecessor-version":[{"id":1397,"href":"https:\/\/www.angryredplanet.org\/log\/wp-json\/wp\/v2\/posts\/1387\/revisions\/1397"}],"wp:attachment":[{"href":"https:\/\/www.angryredplanet.org\/log\/wp-json\/wp\/v2\/media?parent=1387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.angryredplanet.org\/log\/wp-json\/wp\/v2\/categories?post=1387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.angryredplanet.org\/log\/wp-json\/wp\/v2\/tags?post=1387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}