Dura ace di2 10 to 11 speed

forestnot1

I currently run dura ace di2 10 speed, looking to go to 11 speed to line up with my 11sp mechanical ultegra winter/spring bike.

Would I need a whole new groupset or could I get away with just changing the mechs? Keeping all existing cabling etc as frame cannot run internal cables and they are currently very neatly routed.

Thanks

schlepcycling

[url=http://www.bikeradar.com/forums/viewtopic.php?p=19671765#p19671765]forestnot1[/url] wrote:

I currently run dura ace di2 10 speed, looking to go to 11 speed to line up with my 11sp mechanical ultegra winter/spring bike.

Would I need a whole new groupset or could I get away with just changing the mechs? Keeping all existing cabling etc as frame cannot run internal cables and they are currently very neatly routed.

Thanks

I think all the 10 speed versions use a thicker 4 core wire whereas the 11 speed versions use a thinner 2 core wire so 11 speed mechs won't be compatible with your existing levers.

trailflow

It wont work because Dura Ace 7970 uses a different system to e-tube on Ultegra 6870,DA9070.

DKay

[url=http://www.bikeradar.com/forums/viewtopic.php?p=19671774#p19671774]schlepcycling[/url] wrote:

[url=http://www.bikeradar.com/forums/viewtopic.php?p=19671765#p19671765]forestnot1[/url] wrote:

I currently run dura ace di2 10 speed, looking to go to 11 speed to line up with my 11sp mechanical ultegra winter/spring bike.

Would I need a whole new groupset or could I get away with just changing the mechs? Keeping all existing cabling etc as frame cannot run internal cables and they are currently very neatly routed.

Thanks

I think all the 10 speed versions use a thicker 4 core wire whereas the 11 speed versions use a thinner 2 core wire so 11 speed mechs won't be compatible with your existing levers.

6770 uses the e-tube system, just like 6870 and 9070, whereas 7970 doesn't. So the OP will need to change everything to go 11 speed.