I always find that women who ride bicycles are incredibly attractive, especially when they deck themselves out with a nice bike outfit on a racing bicycle. Simply irresistible! I think the bicycle has a way of making women look beautiful on a bike.
Downhill -- NEX-5N & Birns & Saywer (Tewe) 200mm f3.2. Click for larger.
Uphill -- NEX-5N & Birns & Saywer (Tewe) 200mm f3.2