5700 5800 Compatability
Comments
-
Yeah should do, if using a 10 speed cassette. The RD is just a spring at the end of the day, it'll move however far the shifter pulls the cable2020 Reilly Spectre - raw titanium
2020 Merida Reacto Disc Ltd - black on black
2015 CAAD8 105 - very green - stripped to turbo bike
2018 Planet X Exocet 2 - grey
The departed:
2017 Cervelo R3 DI2 - sold
Boardman CX Team - sold
Cannondale Synapse - broken
Cube Streamer - stolen
Boardman Road Comp - stolen0 -
IC that's what I thought about the derailleur but as a 10 speed chain is wider than an 11 speed chain, will there be tolerance issues?
styxd, what do you mean? I realise it's slightly more than a spring but it will go where the shifter puts it, won't it?0 -
I think, hope, he's joking
The difference in width between 10sp chains and 11sp is tiny. So little so in fact that I've run a 10sp quick link on an 11sp chain recently without any issue. Consider also that a 10sp chainset works fine with 11sp set ups.
You'll be fine. Bolt it on, cable it up and off you go2020 Reilly Spectre - raw titanium
2020 Merida Reacto Disc Ltd - black on black
2015 CAAD8 105 - very green - stripped to turbo bike
2018 Planet X Exocet 2 - grey
The departed:
2017 Cervelo R3 DI2 - sold
Boardman CX Team - sold
Cannondale Synapse - broken
Cube Streamer - stolen
Boardman Road Comp - stolen0 -
Cheers.0
-
I've read some things which suggest that the cable pull ratio is different, so it won't work...Red bikes are the fastest.0
-
But it's the shifter that pulls. The RD just moves as far as the shifter pulls it.
Yes, the amount of cable pulled or released by the shifter is different between the two, but it only makes a difference to how far the RD moves in a given direction, which is required by the spaces between cogs on the cassette
It'll work fine.2020 Reilly Spectre - raw titanium
2020 Merida Reacto Disc Ltd - black on black
2015 CAAD8 105 - very green - stripped to turbo bike
2018 Planet X Exocet 2 - grey
The departed:
2017 Cervelo R3 DI2 - sold
Boardman CX Team - sold
Cannondale Synapse - broken
Cube Streamer - stolen
Boardman Road Comp - stolen0 -
IC. wrote:But it's the shifter that pulls. The RD just moves as far as the shifter pulls it.
Yes, the amount of cable pulled or released by the shifter is different between the two, but it only makes a difference to how far the RD moves in a given direction, which is required by the spaces between cogs on the cassette
It'll work fine.
Did you miss this bit?cable pull ratio0 -
Some gross oversimplification going on here. RD geometry affects how far the mech moves for a given amount of cable pull. If you mix pull ratios it will not work properly. End of.
What remains an open question is whether the pull ratio for rear shifting has in fact changed with 11 speed Shimano.0 -
I've bought an RD 5700 now to be on the safe side. The reason i asked was because Ribble and Wiggle were out of stock of the 5700 ss.0
-
Cheers all. As with every seemingly simple question on here, it opens a can of worms!0
-
IC. wrote:But it's the shifter that pulls. The RD just moves as far as the shifter pulls it.
Yes, the amount of cable pulled or released by the shifter is different between the two, but it only makes a difference to how far the RD moves in a given direction, which is required by the spaces between cogs on the cassette
It'll work fine.
I bet it won't. The 6800 RD is known to not work in a 6700 set-up due to different geometry. Therefore, it stands to reason that a 5800 RD will not work in a 5700 set-up too, seeing as the former is derived from 6800 tech.0