Looks great Kushan! Glad to help. It's such a fun bike. Bones
On Sunday, December 26, 2021 at 7:00:14 PM UTC-5 Jim Bronson wrote: > Interesting thread. My 90s Road is converted to 650Bx38 and I would not > want to trade the 38s for 32s. But on the other hand there was not > clearance for fenders with any 700c tire with the short reach brake, so it > was either convert or get a different bike since fenders are a requirement > for me. > > I am using the Tektro 55-73 brakes and the stopping power is not great, > but I've gotten used to it. A pad upgrade would probably help. > > The bottom bracket is indeed very low, solution is not pedaling through > corners. I do scrape every once in a while when I resume pedaling too > soon, which happened most recently a few days ago while turning around in a > cul-de-sac. Overall, it's a compromise I'm willing to live with. I like > the bike the way it is and would not go back. > > Jim > Leander, TX > > > > On Sun, Dec 26, 2021, 15:51 Kushan <kth...@gmail.com> wrote: > >> Hey all - I wanted to post an update here for someone who might be trying >> the same thing in future. >> >> 650b wheels with long reach (Tektro R559) wheels on a Roadini is >> definitely a no-go. Note that this only applies to larger size Roadinis >> that were designed for 700c wheels and mid-reach. >> >> I have decided to just keep mine for now. Based on pictures from other >> RBW owners on this forums (Special thanks to Bones!), I got inspired to >> just keep it with a few changes. I changed the tires to 33mm Soma Shikoro >> (which were really difficult to source) and outfitted them with SKS fenders >> that I had in my parts bin. For now, I have kept the mid-reach Shimano >> caliper brakes (which fit with the fenders well). Depending on braking >> power I experience in the wetter weather, I might consider either changing >> to the Koo-Stop Salmon pads or changing to stiffer center-pull (center-bolt >> mounted) brakes. >> >> Here is the picture of the final look. I am quite pleased with how the >> bike looks with brown walled tires and the silver fenders and kind of >> slapping my head over why I didn't do this before. >> >> On Monday, November 29, 2021 at 9:33:38 AM UTC-8 Paul C. Brodek wrote: >> >>> TL;DR: >>> 1. You kinda can't be sure unless you try it. >>> 2. Google "650b 700c conversion" for hours of reading/listening pleasure. >>> 3. 19mm is your magic number; 584/650b rim center will sit 19mm lower >>> than 622/700c. If your current reach is 57-59mm, you'll need ~80mm for >>> 650b. That's long. >>> 4. There are cheap/flexy sidepulls and pricier/stiffer sidepulls. Best >>> IMHO are Paul Racers, which are $$$, and 73mm max drop. >>> 5. There are better/crappier brake shoes; Grant's current favorites are >>> KoolStop gray E-pads. >>> 6. Eric isn't wrong, but folks have been riding longer-reach brakes in >>> wet weather for decades without asploding. See #1 above. >>> 7. If a Roadini 650b conversion won't work for you, it's either ride >>> narrower 700c tires or get a new frame. The correct answer is almost always >>> get an additional frame/bike. >>> >>> Maybe I don't need much add'l verbiage/blather? I haven't done your >>> particular conversion, but I had my 650b conversion jollies a decade or >>> more back, and for me it seldom seemed worth the trouble. Biggest issue for >>> me was usually the post-conversion 650b bb being too low, with resultant >>> pedal strikes. Where it worked best was if I started out with a fairly >>> high bb/shallow drop, and if the pre-conv brake drop was shallow it was >>> aces. I don't remember numbers exactly, but my synapses kinda recall a bb >>> drop deeper than 70mm already being problematic. >>> >>> My only current/remaining 650b conversions are a '71 Raleigh Team Pro >>> with 584/34mm, with a drop of only 53mm, and a thoroughly modern (for me) >>> 2016 Wraith Paycheck at 584/48mm, with stupid-wide clearances, >>> designed/built to be 700c/650b convertible. Neither of those bikes are >>> fendered. Your Roadini doesn't fit either of those slots. >>> >>> Paul Brodek >>> Hillsdale, NJ USA >>> >>> [image: 50441879817_59c6b9cc84_c(1).jpg] >>> [image: 50439494628_6c016d82b9_c(1).jpg] >>> >>> >>> On Wednesday, November 17, 2021 at 2:17:09 PM UTC-5 Kushan wrote: >>> >>>> Thanks all for your thoughts so far. This is shaping up to be a more >>>> complicated change than I thought (but then again, aren't all bike changes >>>> are?) ... >>>> >>>> Joe - I like your suggestion of using centerpulls. I actually thought >>>> that center pull required dedicated braze-on on frames but a quick >>>> research >>>> indicated that they can be fork crown mounted similar to calipers. >>>> >>>> Eric - The discussion so far is definately dissudaing me but out of >>>> curiousity - does your take on low stopping power with long reach calipers >>>> + wet rims extend to center pull brakes as well? I am wondering if it woul >>>> be better off getting a disc braked bike (e.g. VO Pass Hunter) instead of >>>> mucking around with 650bs on Roadini. >>>> >>>> On Wednesday, November 17, 2021 at 10:15:12 AM UTC-8 Eric Daume wrote: >>>> >>>>> Long reach calipers + wet rims = no noticeable stopping power. Not >>>>> recommended, even if you can live with a very low bottom bracket. >>>>> >>>>> Eric >>>>> >>>>> On Wednesday, November 17, 2021, Kushan <kth...@gmail.com> wrote: >>>>> >>>>>> Hi all - >>>>>> >>>>>> I currently own a 2020 Roadini (61 cm) with 38 mm slick tires. I have >>>>>> tried 32 mm and 35 mm in past but find 38 mm perfect in terms of comfort >>>>>> vs. speed trade off. I am planning to move to the land of daily rain >>>>>> (Seattle!!) in a near future and have been told that permanent fenders >>>>>> are >>>>>> a must have for getting any real use out of the bike. >>>>>> >>>>>> The problem is that I don't want to use 32 mm tires (which is the >>>>>> advertised max clearance with fenders) for this frame. I am >>>>>> contemplating >>>>>> if conversion to 650b wheels will give me sufficient clearance for 38 mm >>>>>> tires with fender (smaller frame 650b Roadinis are known to clear upto >>>>>> 42 >>>>>> mm). >>>>>> >>>>>> My questions to the group are: >>>>>> - Is this even an option or would the chain/seat stays and fork will >>>>>> simply not cover this much tire + fenders? >>>>>> - Based on Rivendell 650b conversion guide, the conversion should be >>>>>> straightforward by switching to long reach caliper brakes and bottom >>>>>> bracket will have sufficient clearance for 170 mm cranks. However, I >>>>>> wanted >>>>>> to see if anyone has attempted this conversion before and what their >>>>>> experience was. >>>>>> >>>>>> Best >>>>>> Kushan >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "RBW Owners Bunch" group. >>>>>> >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>>> an email to rbw-owners-bun...@googlegroups.com. >>>>> >>>>> >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/rbw-owners-bunch/7e7b7039-e0a7-4665-af7f-d818cbff8b03n%40googlegroups.com >>>>>> >>>>>> <https://groups.google.com/d/msgid/rbw-owners-bunch/7e7b7039-e0a7-4665-af7f-d818cbff8b03n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> -- >> You received this message because you are subscribed to the Google Groups >> "RBW Owners Bunch" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to rbw-owners-bun...@googlegroups.com. >> > To view this discussion on the web visit >> https://groups.google.com/d/msgid/rbw-owners-bunch/6a7fae11-7888-4c10-8d61-bc990e95a440n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/rbw-owners-bunch/6a7fae11-7888-4c10-8d61-bc990e95a440n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. 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