Shimano Dura-Ace Di2带有电子变速功能的组件已被专业选手用于各个世界大赛: 越过最高的山峰，极端恶劣的气候条件，穿过糟糕的道路及赛道。现在，这项革命性的技术被用于SHIMANO ULTEGRA系列，以满足更广泛的公路车手及自行车发烧友。小编有幸在2012亚洲自行车展 ...

If you’re looking for a mid-range road bike, it’s likely it will come with either a Shimano Ultegra or 105 Di2 groupset. Both of these performance groupsets from Shimano have electronic shifting, ...

PEZ readers may remember my Colnago V3 project bike with Ultegra R8000: “The shifting is light, crisp, and sure. Dura Ace is supposed to be better, but I’m not sure how much better it can be (at least ...

Cervélo’s storied history has always been ingrained in racing at the highest level, be that with the brand’s race team or numerous Ironman triathlon victories. More recently, Cervélo has expanded its ...