dereksmalls wrote:I bet the majority of people that moaned about STI and othe lever shifting system and are moaning about electronic shifting aren't still on downtube shifters.
good point...
i think all the nay sayers should just keep the noise down. their really is no good argument against electronic shifting because mechanical is still offered and not replacing it, yet. it is a non issue.
here are some components weights from bike rumor
Component Weights by Group (in grams)
Dura-Ace Di2 Ultegra Di2 Dura-Ace Mech Ultegra Mech
Rear Der. 225 270 166 189
Front Der. 124 165 67 89
Levers 255 313 379 447
Brakes 293 317 293 317
Cranks 735 790 735 790
Cassette 163 209 163 209
Chain 252 267 252 267
Other 172 151 94 94
TOTAL 2219 2482 2149 2402
di2 levers lose a lot of weight - i wonder how much campy levers will weigh, they are at 313g atm.