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@Tallboy
Just seen this.. I did a similar process with my track bike http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=90731&hilit=Alien+track
Rest assured if it handles constant sprint use indoors under my 96kg frame it should be ok! I got bored in the end but things that were good included
Fibrelyte ring in carbon
Micro gears - use smaller ring/ sprocket to get same gear- debate chain efficiency for eternity but I never noticed it
Carbon drops- I used 33cm alpinas but wouldn't on the road!
If you use road cranks ( which I would doing it again) its easy to get 130mm singlespeed rings from ta, blackspire and others
For a mate doing national hill climb we once built a bike at work but for some reason he wanted to ride it 30miles each way to work too to get used to it. We just used an alloy track frame that was slightly too small for him, long stem and carbon post, bonty x lite road front wheel second hand and a kindling based rear wheel, stripped an slr saddle off eBay ( big weight and cash saving), carbon drops and hacked down record no shifter levers I think, plus he had some to spindles fitted to his speedplay pedals
If its a long ride bike is it worth thinking that track bikes generally don't have bottle mounts?
This is a cool project, I'm watching for the result!