Shimano GRX vs Shimano Ultegra R8170 Di2
- Great for gravel and off-road riding
- Weight is not an issue
- Easy to use electronic shifting
- Good quality
- Comes with a second pair of tires
- Great for racing
- Smooth shifting
- Light and easy to use
- Lots of features
- Value for money
Reviews by Topic
Our analysis shows how reviewers feel about different topics. Please note these are not full reviews.
Efficiency
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