Cycling · Groupset · Shimano
Shimano 105 Di2
A 12-speed semi-wireless electronic road groupset (disc brake only) that brings Di2 shifting technology to Shimano's mid-range tier for performance-oriented riders on a budget.
Released 2022Quick facts · not yet fully researched

Quick specs
- Speeds
- 12-speed
- Battery
- 3.7Wh, 7.4V DN300 (shared with Dura-Ace & Ultegra)
- Brake Type
- Hydraulic disc only
- Claimed Weight
- ~2,992 g (excl. bottom bracket)
- Shifting System
- Semi-wireless Di2 (wireless cockpit, wired derailleurs)
- Chainring Options
- 50/34T (compact); cassette 11-34T or 11-36T
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