Path: ...!2.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: John B. Newsgroups: rec.bicycles.tech Subject: Re: Urban cycling update Date: Sun, 29 Sep 2024 08:52:06 +0700 Organization: A noiseless patient Spider Lines: 58 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Injection-Date: Sun, 29 Sep 2024 03:52:10 +0200 (CEST) Injection-Info: dont-email.me; posting-host="c8690594ba006d9101dcf2ada298b355"; logging-data="1559095"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18ET3k2MTDTEDLaDXI14JYQ7PQxVAByFe8=" User-Agent: ForteAgent/7.10.32.1212 Cancel-Lock: sha1:Nw3dekDUVrcY35HIhGaS4/Gl2/U= Bytes: 3485 On Sat, 28 Sep 2024 15:53:30 -0500, AMuzi wrote: >On 9/28/2024 2:52 PM, Shadow wrote: >> On Sat, 28 Sep 2024 14:09:33 -0500, Mark J cleary >> wrote: >> >>> On 9/28/2024 1:44 PM, AMuzi wrote: >>>> On 9/28/2024 1:09 PM, Shadow wrote: >>>>> On Sat, 28 Sep 2024 09:34:28 -0500, AMuzi wrote: >>>>> >>>>>> https://nypost.com/2024/09/27/lifestyle/nyc-bike-messengers-reveal-their-surprisingly-busiest-time-of-year/ >>>>> >>>>>     All bikes shown have thick chains, ***no gears(maybe hub gears on >>>>> one) and no apparent brakes. Hub brakes by back pedaling? >>>>> >>>>> >>>>>     []'s >>>> >>>> Right, primarily fixed gear. >>>> >>> >>> I crazy dangerous job that I expect some people have no trouble taking. >>> Not me that would be crazy. Also, having road a bike for most of my life >>> and many miles I have never road a fixed great bike. Does this mean you >>> are either pedaling for not? The hub must not be a freehub or cassette. >>> In my world I have no idea how anyone could ride a bike like that, seems >>> incredibly dangerous. Do they use cleats and what is basic speed your >>> are going? >> >> The way I see it, if the chain breaks you lose both the >> ability to accelerate out of trouble (as with most bikes) but also the >> ability to brake. >> Imagine spinning those pedals down a steep slope then some >> debris strikes your chain and "derails" it. >> []'s >> >> *** by "no gears" I meant no gear changing. Obviously there >> must be at least one gear. > >In practice fixed gear chain is not only wider and stronger >but since it only runs in one path (like a cam chain in an >engine) derailment is unheard of. > >That said, most urban fixed riders use a front brake, as do >I. The younger crowd will comment, "I can stop in three >meters!" which is fine until you have two meters between you >and the bus. In Bangkok you aren't allowed to market a brake-less bicycle so any "Fixi" you see in a shop will have a front brake installed. And the only Fixi I ever saw on Bangkok roads ran into me while stopping as he had no brakes at all :-) -- Cheers, John B.