SRAM today announced the availability of their new Chain Catcher as an aftermarket part. Initially an integrated part of SRAM's RED-2012 YAW front derailleur, a kit available starting next month will bring the effective Chain Spotter to RED, Force, Rival, and Apex front braze on front...
SRAM Rival Pro Review - By Steve Cooper
Component Weights as listed on SRAM website
DoubleTap shifter/brake levers: 340 grams
Rear Derailleur: 188 grams
Front Derailleur: 102 grams (band clamp version tested)
Compact Crankset with BB: 830 grams
Brakeset: 287 grams/pair