Anyone know where i can get my hands onto some affordable slimmer fitting bike pants? Don't really need to have paddings.

I know Rapha has them, but they seems to cost a bomb.

http://www.rapha.cc/3or4-shorts

Try this site.
http://www.fixedgeargallery.com/hell-yes/index2.htm
They do recycled knicks/shorts.

Swrve

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"Step forward the climber and all those who worship at the altar of lightness" - R. Millar

Chrome makes some nice stuff which actually looks like its made for biking:

http://www.chromebagsstore.com/apparel/ ... parel.html

However their 3/4 pants are waaaay loose.

Rapha are the best ones

Swrve etc are not cut enough!

Personally I prefer Outlier over Rapha for city riding. Feel they are better constructed.
Either or, it seems that the OP is trying to avoid paying a "bomb" for either.

Best bet would then to be make your own, just hack off any slim fit khakis you got.

Prana