TRP ML 940 Carbon
Weight: 148grams/pair
TRP ML 950
Weight: 128 grams/pair
http://www.trpbrakes.com/category.php?catid=184
XLC BL-V10
Weight: 67 grams/pair
http://www.xlc-parts.com/produkte_detail_de,235,1504,detail.html
KCNC VB1
Weight: [size=150]48 grams/pair[/size]
Disadvantage:
http://www.youtube.com/watch?v=i8kXsa4wHEs