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@O'Shane
I have here an old Schwinn mtb of my brother's. I think he had the bike from new but many years ago grew out of it. It was then sat in the garage hiding away until I found bike polo 2yrs ago. I then built it up like so and shared it with him -
It did the job that was asked of it, nothing much has changed apart from the cranks since I first built it.
Some of you may remember that I chopped the chainstays on my polo bike to make this - http://www.lfgss.com/attachment.php?attachmentid=49947&stc=1&d=1330294479
The dropouts on the Schwinn had always been a bodge, starting life as vertical dropouts I filed a slot to make it adjustable as we were riding it fixed. So recently Emyr asked me to give him some new dropouts. He was only after some simple horizontal dropouts to make it nicer to get the wheel in/out and easier to adjust the chain tension as he still rides fixed. I on the other hand had been looking at the way polo has been progressing and the direction many people are going/have already gone (freewheel, disc brake). So I decided to give him some sliding dropouts with disc brake tabs. Many, many hours later of sitting in front of a computer screen downloading diagrams and drawing up a rear triangle that I could work into his frame I have come up with this -
Excuse the colours, it makes it easier for me to differentiate between different components. The black being the original tubing, purple being a part that I will be welding in and the green being the alu sliding dropout. I like the On-One Pompetamine but I was always disappointed that the disc tabs were part of the frame not the dropout. I've gone for the IS mount as it makes it easier to make, an adapter will then be needed but that's a standard off the shelf part. The chainstays are being shortened a little but only by 35mm when the wheel is pushed right forward.
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