Interestingly enough for me the idea was to get lower than that - closer to the 250mm of the Mariposa. I didn't quite make it but between the drop I did achieve and the reduced trail the handle of my (now departed) Heron Road was wonderfully light compared to the same bike with 700x28's.
-Ken On Mon, May 21, 2012 at 1:21 PM, William <tapebu...@gmail.com> wrote: > For me the big deal is BB height before and after. Plan it out and try to > keep it at or above 260mm. This bike measured 265 with 700x20 tires. If I > went to 650x32, it would drop me 7mm lower into the danger zone. 650x38 > drops me 1mm (plus any tire sag), so it should be perfecto. > > > On Monday, May 21, 2012 11:03:55 AM UTC-7, MichaelH wrote: >> >> Sounds exciting. I have an 84 Trek 620 that I have considered for >> conversion, but have never gotten up the courage or $$. For now, I've taken >> off the fenders, which gives me good clearance for JBs. Keep us posted on >> how this goes. >> >> Michael >> >> On Monday, May 21, 2012 1:55:57 PM UTC-4, William wrote: >>> >>> I'm in the midst of a 650B conversion that I'm pretty excited about. >>> I've acquired a 1984 Miyata 912, and it's getting resurrected. The major >>> enhancement in my eyes is that I'll be converting it from a solid road bike >>> that can take 700x25c tires without fenders, into a bike that can take >>> 650x38B tires with fenders. This conversion has a couple new aspects for >>> me. The clearance at the forks and the seatstays was wide enough for >>> Hetres, but it was cozy down at the chainstays. I researched a little >>> through the various forums and on flickr and got my courage up to crush the >>> chainstays a little bit to make some extra room. That worked great, and >>> I'll go at it again if I actually decide to run Hetres. For now it'll be >>> Soma B-Lines. >>> >>> The other highlights are that I'll be running the new, lighter weight >>> Velocity A23 650B rims, exclusively available from Longleaf in New >>> Hampshire. Those rims, along with some advice from Anthony at Longleaf has >>> got me convinced to give tubeless a try. I'm a little freaked out by the >>> concept, and I'm nervous that I'll make a mess of the whole thing, but at >>> the same time I'm excited to learn something new. Finally, this bike will >>> be the home for a Sugino compact double that I beautified as my first bike >>> part polishing project. It was a 52/42/30 130/74mm crankset, that I've >>> converted to a chainguard/42/26. >>> >>> This bike is tagged to become my new commute bike. I've been using the >>> Bombadil for my daily commute. That commute involves bike on the roof of >>> the car in the morning (carpool), and then a bike/BART commute home in the >>> evening. The ride home from BART is 2 miles, 600ft of climbing. The Bomba >>> is obviously smooth, rugged, and reliable. The shortcomings are that the >>> Bombadil is heavy for the roof rack, heavy for BART steps, and heavy for the >>> 600ft climb, not to mention valuable to be subjected to 30 miles of freeway >>> roofrackage every morning. This Miyata will essentially be everything a >>> Bleriot or a Betty Foy would have been for me. Hopefully I can have it >>> running by next week. >>> >>> pics show some of the progress: >>> >>> http://www.flickr.com/photos/45758191@N04/sets/72157629709054752/ >>> >>> > -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/rbw-owners-bunch/-/uMDB08_PaXkJ. > > To post to this group, send email to rbw-owners-bunch@googlegroups.com. > To unsubscribe from this group, send email to > rbw-owners-bunch+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/rbw-owners-bunch?hl=en. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To post to this group, send email to rbw-owners-bunch@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
