2014 Shimano 6870 and Disk Brakes!
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- Posts: 328
- Joined: Sun Jul 22, 2012 7:17 pm
"Di2 is the opposite of mechanical groupsets in the sense that it's the derailleur, not the shifter, that's speed-specific. So you'd be able to use the new levers with old 10-speed mechs but you couldn't swap your old Di2 rear derailleur our for the new one."
Bad news if it's true.
Bad news if it's true.
It's online again:The Machinist
My CAAD10:http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=109014
My CAAD10:http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=109014
It seems this is a wrong statement when you read the bikerumor article. Everything is compatible.
It's online again:The Machinist
My CAAD10:http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=109014
My CAAD10:http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=109014
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- Posts: 597
- Joined: Tue Aug 03, 2010 6:29 pm
I don't see any hydraulic rim brakes 

K2
Do you suffer more when you train, or cannot train?
Do you suffer more when you train, or cannot train?
Anders wrote:"Di2 is the opposite of mechanical groupsets in the sense that it's the derailleur, not the shifter, that's speed-specific. So you'd be able to use the new levers with old 10-speed mechs but you couldn't swap your old Di2 rear derailleur our for the new one."
Bad news if it's true.
Not convinced that is accurate, I think I have seen 10spd Ultegra shifters working with 11spd Dura Ace front and rear mechs. The shifters are just switches and the connections must be the same. The Ultegra 6770 shifters DO work with the new junction A and internal battery, that I do know.
I believe that is specific to the new 140mm Icetech rotors seeing as there are currently 6-bolt IceTech 160mm rotors available.MichaelB wrote:Given that the RT-99 discs are centre lock only, what are the recommendations for lightest affordable hubs that will suit the centre lock system ?
While I have no experience, Shimano has been very forthright in promoting the fact that assuming components have been updated to the latest firmware, any e-tube Di2 component is interchangeable with any other within the limitations of the component. What that means is that if you have a 10-speed Di2 e-tube compatible group and want to go 11-speed, even though the 11-speed shifters will work with a 10-speed e-tube rear derailleur, there is not a firmware update to make the rear deraileur shift 11-speeds so this will also require an 11-speed rear derailleur and cassette.dha wrote:Not convinced that is accurate, I think I have seen 10spd Ultegra shifters working with 11speed DuraAce front and rear mechs. The shifters are just switches and the connections must be the same. The Ultegra 6770 shifters DO work with the new junction A and internal battery, that I do know.
Michael - The Anaerobic Threshold is neither...
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- Joined: Sun Nov 13, 2011 9:29 pm
- Location: Belgium
kevinkalis wrote:I don't see any hydraulic rim brakes
As soon as the UCI approves disc brakes all bikes will have those, so i understand Shimano not wasting time in something that will disappear anyhow.
I would tend to agree but some might argue there is a place for them seeing how SRAM Red 22 hydraulic shifters and rim brakes apparently helped keep Cavendish upright the other day near the end of the chaotic first stage at the tour!MisterNoChain wrote:As soon as the UCI approves disc brakes all bikes will have those, so i understand Shimano not wasting time in something that will disappear anyhow.
Michael - The Anaerobic Threshold is neither...
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