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Review on πŸ”Œ SHIMANO Ultegra Di2 Junction Box with Internal Routing by James Cypert

Revainrating 5 out of 5

Works best in sport

I have decided to build my new race bike using Di2 electronics. I didn't want to spend $1,500 on a kit right away, so I bought one component at a time. Everything fitted well, all components work perfectly. I highly recommend this product.

Pros
  • Actual Weight Notes: Weight is for Di2 Junction B
Cons
  • boring packaging