Cheapest way to upgrade to Di2.

Spartacus1981

Hi, I've a Caad12 I bought as a frame with a mechanical Ultegra 6800 group. I'd like to upgrade to electronic as am living in Mallorca for a while. Please can someone point me in the right direction for the cheapest way around this as I'm not entirely sure what I'll need. I'm on 11 speed and chainset is fine as have a Hollowgram. So I think I need the below items ?

Rear Mech - This has to be 11 Speed I believe (
Front Mech - This does not matter is 10 or 11
Shifters - Also need to to get these but am I correct in saying these don't have to be 11 speed as there is no brain ?
Cables and batteries and grommets for frame ?

If anyone would mind pointing me in the right direction with some links for what I exactly need that would be fab. I'd rather just buy the items once and have done with.

meanredspider

Probably a kit like this

https://www.merlincycles.com/shimano-ul ... 74063.html

Shop around though

trailflow

FD and RD need to match. They cannot be mixed and matched with 6670 if any of the firmware's have been updated.

If you want to buy everything separately this is what you will need

Ultegra 6870 or DA9070 Di2 Shifters, 6770 will work but require a firmware update
Ultegra 6870 or DA9070 Di2 Front derailleur
Ultegra 6870 or DA9070 Di2 Rear derailleur
Junction Box A - either a 3 or 5 port junction Box. SM-EW90-A or SM-EW90-B (This fits on the stem)
Junction box B - SM-JC41 (fits inside the bottom bracket/frame)
Internal Battery - SM-BTR2 (comes with bracket for seatpost)
Battery charger - SM-BCR2 (This doubles as a usb pc interface to customize settings,and update the firmware. And can only be used with the internal battery above)

Di2 plug tool - To insert and remove the wires (using any other type of tool may damage the wire)

2 shifter wires - 350mm each EW-SD50 (for 40,42,44cm bars. If you have 46cm bars get longer)
1 downtube wire - 1000mm EW-SD50
1 battery wire - 500mm EW-SD50
1 front derailleur wire -300mm EW-SD50
1 rear derailleur wire - 600mm EW-SD50

These above are typical cable lengths for a small to medium frame. If you have a large or bigger frame you should buy a longer downtube wire.

Alternatively you can buy a 'Di2 upgrade kit' that includes everything above.

meanredspider

Yeah - I'd be surprised if you could buy everything individually cheaper than the kit though I guess it's possible. Then, as you say, getting all the firmware to match might be a game too.

chatlow

I'm looking at this upgrade too and it's cheaper (in theory) to buy the full group for £900 quid and sell the bits you are not going to use.

http://www.wiggle.co.uk/shimano-ultegra ... 60674471uk

Upgrade kit is 700 quid from Ribblecycles:

http://www.ribblecycles.co.uk/shimano-d ... 0wodSYwKgQ

bmxboy10

Wow that's expensive! Hope it's worth it.

chatlow

solboy10 wrote:

Wow that's expensive! Hope it's worth it.

ha, but just think of all the cool electric noises that put a smile of your face :?

and then the battery runs out and your stuck in the big ring

meanredspider

chatlow wrote:

and then the battery runs out and your stuck in the small ring

FTFY

meanredspider

solboy10 wrote:

Wow that's expensive! Hope it's worth it.

80% the cost of DA (with which you don't get the cool electric noises )