With Shimano's Di2-Ultegra eleven-speed rear derailleur, sprockets with up to 32 teeth are possible.
Fit for the pass - fun on the mountain: How to make your sprocket set mountain-ready.
Level of difficulty for experienced screwdrivers
- Chain whip
- Sprocket tool
- Chain tool (Shimano CN28 or CN34)
- Di2 cable tool
Auxiliary materials
- Grease
- Rags
- Safety goggles
Light gears are needed for the smoothest possible pedalling on long mountain passes. Shimano's long Di2-Ultegra single-speed rear derailleur allows for large sprockets with up to 32 teeth, which means a ratio of almost 1:1 is possible. TOUR shows the conversion, which also works with the Dura-Ace.
The detailed workshop instructions can be found below as a PDF download.
Downloads:
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