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GaryvdM

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Everything posted by GaryvdM

  1. The ultimate in chain cleaning and lubrication: http://sheldonbrown.com/chainclean.html
  2. Getting setup to do melted wax is a bit of a schlep. If you want to try out melted wax before making this investment, bring your chain round to my house and I will do it for you. PM me if you would like to take me up on this.
  3. P.s. Lots of other tests from Friction-facts: http://www.friction-facts.com/test-results/individual-reports. You can get a report package which is cheaper: http://www.friction-facts.com/test-results/report-packages/report-package IMO worth the money if you are interested in the topic.
  4. New chains come with a very good lube applied, so may be you are referring to running the chain with said lube, but it that case, this is not without lube. But if you clean that lube off, the the chain will be much less efficient. Friction-facts did a test on this: http://www.friction-.../dry-chain-test Here is a quote from that test: So, no, running a chain without lube is not more efficient.
  5. They are talking about how long an application lasts, not how long the chain lasts. I use a melted wax + 80w 90 EP oil mix. I can do 1000km dry road use between lubes (all though I generally only do about 500km between lubes, less if riding in the wet or doing races.) My current chain has over 8000kms on it. I measured the wear last night, and it's less than 1/16" (using the measuring method from here: http://sheldonbrown....hains.html#wear)
  6. Sorry if I'm repeating stuff. Haven't read the whole thread. See the attached pdf for some scientific testing of different chain lubes. Note that what the are measuring is power efficiency, not the life of the chain, but there is probably a strong correlation between the 2. How you lube the chain is probably much more important than what lube you use. This page is a must read: http://sheldonbrown.com/chains.html My personal procedure: Remove chain from bike. Wash chain thoroughly in petrol. Dry chain with a hot air gun, to ensure that all petrol inside the chain has evaporated. Place chain in a mixture of melted wax and a high viscosity oil (If I recall correctly I've got a 80w90.) Giggle the chain until the air bubbles stop. Remove chain an wipe as soon as possible to remove as much wax/oil from the outside of the chain as possible (be careful not to burn yourself here.) Return the chain to the bike. velo-friction_facts_lube_test.pdf
  7. It's a chicken and egg problem. Is infrastructure is designed for cars because cars are the dominant traffic OR are cars the dominant traffic because the infrastructure is designed for cars? I know that this is not the only factor (I think the social status of owning a car is a big factor in South Africa.) But I feel that infrastructure design/laws play a big role. In the Netherlands, in the 50's and 60's, car ownership and usage began to rise due it increasing prosperity. In conjunction with this, the city planners started making the infrastructure more orientated to car use. As a result bicycle use dropped. Road deaths also increased. A political decision was then made to do a u-turn. They started to change the infrastructure to be more originated for pedestrians and cyclists. Had they not made this decision, they probably would have ended up like any other country: low levels of cycling, high levels of car use, but instead its the other way round because a decision taken by the public, and state. The point I'm trying to make is, yes our infrastructure is primarily designed for cars, but is that what we really want?
  8. You clearly did not read the article. The article is not trying to condone cyclist breaking laws, but rather trying to persuade law makers to review the law.
  9. I wonder how they avoid the problem the Netherlands has: (Overflowing bicycle parking lots)
  10. Interesting article about cyclist behaviour at stop signs and red lights: http://www.vox.com/2...-signs-and-ride Please note: before you flame me, I don't feel very strongly about this (unlike the helmet debate.) Just trying to add value to the debate....
  11. Cresta Wheelers. Rides start at Randburg sports club. Rides on Sunday. https://crestawheelers.co.za/
  12. Last time I got a fine for rlj was 2003, it was R500. Probably more now. I expect it's the same for cyclists as it is for motorized vehicles.
  13. http://goo.gl/maps/lEXNB 8km of tar to get onto the Spruit. Not great, but not to bad.
  14. He was probably tested as he was the winner of VA.
  15. What did he take? I looked on www.drugfreesport.org.za, but the most recent case on there is from 2012, so it seems they have ceased publishing cases there.
  16. In order of size: Argus, 94.7, Amashova, Tour Durban
  17. Disappointing that the thief was not prosecuted.
  18. I was riding in Cresta Wheelers kit (white, with pink and yellow stripes, Linden Cycles on the back). Black BMC. Saw someone with a white atomic shirt, and a beard. Is that you?
  19. The guy who won, James Perry, also rides for Abantu. There was 1:01 minute gap to 3rd place. So I think Nolan must have given it to James.
  20. GaryvdM

    The Classics

    It was interesting how Stijn van den Bergh got boxed in preceding the final sprint. I wonder if that was intentionally done by the other 3 because he was such a wheelsucker.
  21. Twombles and TALUS, I think I rode the last 50km with you guys. Well, almost. I had to stop at 103km to fix a mechanical issue on my bike (due to my own poor workmanship. ) TALUS: Do you ride for Jacaranda? If yes, I have a question. Why do you guys ride with cable ties sticking up from your helmets?
  22. GaryvdM

    The Classics

    Big up to DSTV/SuperSport for broadcasting. Enjoyable viewing!
  23. GaryvdM

    The Classics

    Go Impey !!!
  24. GaryvdM

    Emperors Race

    3:15 from JL is a very good effort. You probably rode most of the way on your own passing lots of other riders? I'm sure you will be fine starting in CL for emperors. Just be prepared to be riding in a bunch, rather than on your own.
  25. Remember that as this is a smaller race, the range of seeding indexes within a group, and hence finish times within a group is much wider.
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