tag:blogger.com,1999:blog-17091441.post8584724161290208355..comments2010-08-27T09:47:43.121-04:00Jeremyhttp://www.blogger.com/profile/17461713472346310708noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-17091441.post-46744389245145259462010-08-27T09:47:43.121-04:002010-08-27T09:47:43.121-04:00http://picasaweb.google.co.uk/dmczone/MAVICSSC631Crankset#slideshow/5329046762495967266Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-17091441.post-64351214430944122672010-08-27T09:46:42.527-04:002010-08-27T09:46:42.527-04:00The 631 is designed for sigle or double rings with existing hardware.<br /><br />See here:<br /><br />http://picasaweb.google.co.uk/dmczone/MAVICSSC631Crankset#slideshow/5329046762495967266Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-17091441.post-67672850463811320202010-06-18T21:15:45.060-04:002010-06-18T21:15:45.060-04:00Certain that you&#39;ve seen this, but if not, perhaps of interest:<br /><a href="http://pardo.net/bike/pic/mobi/d.mavic-631-starfish-crank/" rel="nofollow">http://pardo.net/bike/pic/mobi/d.mavic-631-starfish-crank/</a>Leightonnoreply@blogger.comtag:blogger.com,1999:blog-17091441.post-44134138489450690192010-05-22T19:00:23.857-04:002010-05-22T19:00:23.857-04:00&quot;How did you get that track ring on your 631 without a double set of spacers? Did you remove the original steel mounting posts? What would you replace them with?&quot;<br /><br />The steel &#39;posts&#39; unscrew from the spider with an Allen key, a single ring can then be mounted directly onto the spider using the chainring bolts -if you have them. If not it&#39;s a standard metric size -you&#39;d have to work out the length of bolts to use.<br />This is a feature of the 631 design, it can easily be reconfigured as a single double or triple chainset.<br /><br />Done it myself.<br />SimonAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-17091441.post-6333625463000392912010-05-21T06:08:26.125-04:002010-05-21T06:08:26.125-04:00Sweet -- I&#39;ve got a 631 with a matching bottom-bracket, I&#39;m going to get my ALAN machined for it in a couple weeks.<br /><br />I bought it without rings at a yard sale, but I just bought a whole bunch of Mavic outers on eBay and it turned out a friend of mine had an outer too. I could really use a Mavic inner if you&#39;ve got a spare one lying around. Are the normal chainring spacers 3mm wide? I need to get a set...<br /><br />How did you get that track ring on your 631 without a double set of spacers? Did you remove the original steel mounting posts? What would you replace them with?<br /><br /><a href="http://shop.ebay.com/galibier95/m.html" rel="nofollow">A french seller just listed a pile of vintage Mavic parts on eBay</a>, I thought you&#39;d be interested.Fred Blasdelhttp://www.blogger.com/profile/08057528812732998703noreply@blogger.com