Shimano Dura-Ace Di2
- By Liz Hichens
- Published Feb 16, 2011
Heading into its third season, Di2 has proven that it shifts faster and more precisely than anything else, and that the batteries are dependable, long-lasting and quickly rechargeable.
Liz Hichens
Liz Hichens is the Web Producer of Triathlete.com. She is an Ironman and marathon finisher and fan of all endurance sports.