Shimano Ultegra Di2 FD-R8150 I am having Trouble to Switch from small to big Chain Ring. Despite trying to fine tune the DI2 FD Setttings, Shifting to the big chain ring remains a problem. by Historical-Jicama747 Bicycling Bike Bike Repair Biking Cycling Repair
Tanglefisk on April 1, 2026 11:09 am [Park Tool guide here is very helpful.](https://www.parktool.com/en-int/blog/repair-help/front-derailleur-adjustment?srsltid=AfmBOorZj62YaKi6ohjQ_oQTMiEl3wtsaVllMyolzdow0nRT6sbF2KXi) ” Repeat this process until cage plate height is 1-2mm above outer chainring.” You can use an allen wrench to help judge this distance without guessing.
Ok-Positive-6611 on April 1, 2026 11:15 am Google ‘shimano general operations’ and find the dealer’s manual It contains every single thing you ever need to do to set up a Shimano bike properly, including installing a FD properly Yours is miles too high
ImmediatePudding1459 on April 1, 2026 11:15 am 1-3mm gap is the Shimano guide. Installed one yesterday, there’s a helpful sticker if they are out of the box.
5 Comments
Yes, it should be a lot closer to the big ring
Yes
[Park Tool guide here is very helpful.](https://www.parktool.com/en-int/blog/repair-help/front-derailleur-adjustment?srsltid=AfmBOorZj62YaKi6ohjQ_oQTMiEl3wtsaVllMyolzdow0nRT6sbF2KXi)
” Repeat this process until cage plate height is 1-2mm above outer chainring.”
You can use an allen wrench to help judge this distance without guessing.
Google ‘shimano general operations’ and find the dealer’s manual
It contains every single thing you ever need to do to set up a Shimano bike properly, including installing a FD properly
Yours is miles too high
1-3mm gap is the Shimano guide. Installed one yesterday, there’s a helpful sticker if they are out of the box.