Dr Snuggles Posted December 3, 2012 Share borax and white vinegar or borax+lemon juice. dab on and/or leave to soak for about 30min. Ignore dark discoloration as it should wash off once you rinse with water. Heating the vinegar or lemon mixture will accelerate the removal process. Commercially, i know of Plascon's rust remover & concrete etcher, and Dulux's quit rust remover Edited December 3, 2012 by Dr Snuggles Link to comment Share on other sites More sharing options...
LazyTrailRider Posted December 3, 2012 Share Cool, thanks for the advice everyone! Link to comment Share on other sites More sharing options...
Captain Fastbastard Mayhem Posted December 3, 2012 Share Coke is the cheapest and easiest. The sugar content in that stuff is crazy good at removing rust and blemishes from metal. Put in glass of coke (full fat version) and leave for 15 to 20 minutes. Crazy. Link to comment Share on other sites More sharing options...
Big H* Posted December 4, 2012 Share Coca cola ........ Stuff the bike, add some Klipdrift and eish Link to comment Share on other sites More sharing options...
Kranswurm Posted December 4, 2012 Share Coke is the cheapest and easiest. The sugar content in that stuff is crazy good at removing rust and blemishes from metal. Put in glass of coke (full fat version) and leave for 15 to 20 minutes. Crazy. Amazing stuffIf you have a rusted lock just squirt some coke thru a straw into it and 5 mins lata hey presto Link to comment Share on other sites More sharing options...
Slowbee Posted December 4, 2012 Share having assesed how to remove the rust, how do you prevent rust on the bolts ? Link to comment Share on other sites More sharing options...
Agteros Posted December 4, 2012 Share Q20/WD40 again? Link to comment Share on other sites More sharing options...
Slowbee Posted December 4, 2012 Share Q20/WD40 again?this then be an ongoing thing, everytime the bike gets wet ?would the downside be the q20/wd40 attracts dirt (not like a mtn bike to get dirty) Link to comment Share on other sites More sharing options...
Kranswurm Posted December 4, 2012 Share having assesed how to remove the rust, how do you prevent rust on the bolts ? Move to Jhb Link to comment Share on other sites More sharing options...
GrumpyOldGuy Posted December 4, 2012 Share having assesed how to remove the rust, how do you prevent rust on the bolts ? Almost impossible, coating the threads with a layer of "Coppaslip" or some other such copper compound will help in slowing the process and make the bolt easier to undo later, but it will eventually also wash off and need to be reapplied. A viable, commercially available, permanent solution to rust, will make you a wealthy man, very, very wealthy. Link to comment Share on other sites More sharing options...
Rob Mortimer Posted December 4, 2012 Share I have a seatpost stuck in my steel frame - would the coke work here as well? Link to comment Share on other sites More sharing options...
Big H* Posted December 4, 2012 Share I replaced most of the steel bolts with stainless steel bolts. No need for Coke. Much more usefull elsewhere. Link to comment Share on other sites More sharing options...
DaLoCo Posted December 4, 2012 Share Once the rust is removed get a tin of Tectyl spray, it will slow down the rust, but will look a bit discolored. You will not be able to stop the rust from returning. Stainless bolts are a solution. Link to comment Share on other sites More sharing options...
Ryan Posted December 4, 2012 Share Yip, Coca Cola works a treat. Bit scary that we drink it too. Link to comment Share on other sites More sharing options...
dev null Posted December 4, 2012 Share There is also an electrolytic process to do this if you are in the mood to play mad chemist. For rust prevention Boeshield T-9 is the best, but AFAIK it is not available in SA, so I just use WD40. Link to comment Share on other sites More sharing options...
Kranswurm Posted December 4, 2012 Share I replaced most of the steel bolts with stainless steel bolts. No need for Coke. Much more usefull elsewhere. SS bolts are fine in non stress applicationsUseless if under tension.Shear is fineSS work hardens Link to comment Share on other sites More sharing options...
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