Building a 12-speed // 11-speed Di2 bike

Here are a couple of pages to help you decide on components and wire lengths for your 12-speed Di2 bike:

• Build a 12-speed Di2 road bike
• Build a 12-speed TT / Triathlon bike

Want to build an 11-speed Di2 bike? Use these pages:

• 11-speed Di2 wire lengths and cable routing
• What components do you need for an 11-speed bike