My Di2 rear mech thinks it is one gear higher than it actually is.
It wants to shift into a larger sprocket that isn't there, so would go into the spokes if I didn't have the limit set in. And it won't go into the smallest sprocket.
When I hook it up to e-tube it confirms this - eg when it is actually in the 4th biggest sprocket, the software says it is in the 5th biggest.
The problem came about after I broke my hanger in November. I changed it, and put the bike on the turbo and thought something was odd but didn't need all the gears on turbo so didn't look at it, until yesterday I got the bike ready to ride and realised there was an issue.
I've just changed the Hanger again and it is still the same, one gear out of phase.
I can't see any way to reset it in the software. There aren't enough trimming 'clicks' available to shift it fully to the right gear. It's like I need to reboot the mech but can't see how.
Anyone come across this? When I Google it I mostly get people saying it's the hanger, but I've changed the hanger twice and it hasn't helped.
Normally you set the limits and then doing the trimming while in a middle cog - are you doing that? If the limits are too far in, then it's "middle" will be off and you'll be out of trim range.
My Di2 rear mech thinks it is one gear higher than it actually is.
It wants to shift into a larger sprocket that isn't there, so would go into the spokes if I didn't have the limit set in. And it won't go into the smallest sprocket.
When I hook it up to e-tube it confirms this - eg when it is actually in the 4th biggest sprocket, the software says it is in the 5th biggest.
The problem came about after I broke my hanger in November. I changed it, and put the bike on the turbo and thought something was odd but didn't need all the gears on turbo so didn't look at it, until yesterday I got the bike ready to ride and realised there was an issue.
I've just changed the Hanger again and it is still the same, one gear out of phase.
I can't see any way to reset it in the software. There aren't enough trimming 'clicks' available to shift it fully to the right gear. It's like I need to reboot the mech but can't see how.
Anyone come across this? When I Google it I mostly get people saying it's the hanger, but I've changed the hanger twice and it hasn't helped.
It's ultegra 6870.