continuing the stream of non-platypus data :)... My 52 cm Ram frame is 4 lbs, 8 oz. The 54 cm Road frame is 4 lbs 1 oz. Both forks are 1 lb 11 oz. A waterford steel fork is 1 lb 7 oz. Frames alone without BB, etc.
On Monday, March 22, 2021 at 10:13:40 PM UTC-5 Bill Lindsay wrote: > If you want to build a lightweight step through, you should start with an > Ebisu mixte before Iimura-san finally completely retires. > > Gallery of Customer Bikes-Mrs. Shirai's mixte (jitensha.com) > <http://www.jitensha.com/eng/yllwebmixte.html> > > About the Ebisu bicycle (jitensha.com) > <http://jitensha.com/eng/aboutframes_e.html> > > Bill Lindsay > El Cerrito, CA > > On Monday, March 22, 2021 at 7:26:33 PM UTC-7 philipr...@gmail.com wrote: > >> @aeroperf - I'm liking the idea of the lightweight step-thru, which >> returns us to the question regarding the Platypus weight. For reference, >> the Soma Buena Vista comes in at 7lbs with a fork. My data point is my Trek >> 330 which is my sort experimental platform bike and comes in at 29lbs with >> rack, vintage light etc. which just feels about right. How much of that is >> weight & how much is 531 of course? >> >> >> >> >> On Monday, March 22, 2021 at 6:56:28 PM UTC-5 Joe Bernard wrote: >> >>> The first place to go for weight savings you can feel when riding are >>> (in this order) tires, tubes, rims. All that stuff rotating way out there >>> adds up fast. Then ditch racks, fenders, front derailer and its shifter, >>> extra chainrings. That'll getcha down to a base weight that's still ridable >>> and Rivish; beyond this you're looking at weight weenie hubs, bars, stems, >>> seatposts. And that Brooks B17 is out! >>> >>> Dang, now I want to try this on my custom. Could be pricey! 💸💸💸😳 >>> >>> On Monday, March 22, 2021 at 4:20:54 PM UTC-7 aeroperf wrote: >>> >>>> This thread is becoming a very interesting discussion for me. >>>> For 40 years I designed and tested airplanes. I specialized in >>>> aerodynamics/performance, hence: aeroperf. When a boss would ask what was >>>> my greatest challenge, I would have to say “Weight!”. >>>> >>>> So Phillip points out that “those Kenda tires weigh over 5lbs a pair.” >>>> That leads me to wonder where my Sam’s 30.5 pounds has come from, >>>> especially since Linda G is riding a 22.6 pound Roadini, and all frames >>>> seem to be in the 6 - 10 pound range. >>>> And I’m thinking Bill Lindsay has a great idea to try a super light >>>> build for a step through. Where DOES one pick up (or shed) all that extra >>>> weight? And, does it really affect how a Riv rides? >>>> >>>> I know tire weight does, because both my wife and myself have commented >>>> how riding 810 gram Schwalbe Marathon tires seem to be like going through >>>> mud compared to the 505 gram SpeedRides we’re used to. Plus, my college >>>> bicycle team would line a set of wheel rims with lead under the rim tape >>>> if >>>> they wanted to “challenge” the hill climbers. But that still appears to >>>> be >>>> a small contributor to overall bicycle weight. >>>> >>>> I really haven’t seen where a pound or two makes a difference on my >>>> Sam. If I add a rear-view mirror, it seems insignificant. On the other >>>> hand, my touring bike, a Soma Saga Disc, weighs only a half pound more >>>> than >>>> the Sam comparably equipped. But when I pile on 40 pounds of gear, the >>>> Sam >>>> chokes while the Saga goes “Meh.” So there must be a cumulative effect, >>>> that only *seems* insignificant. >>>> >>>> Back to the subject. The Riv web site advertises the Platypus as a >>>> “country bike” just like the Sam. How DO the frame weights compare? >>>> >>>> -- 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-bunch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/29bb5ac4-10ef-495d-ac90-4ffb8cca6b3an%40googlegroups.com.
