Shimano 105 R7150 12-Speed Rear Derailleur

Pros & Cons

• Accurate shifting performance and high shifting speed even when you're pressing down hard on the pedals.
• In a semi-wireless system, the only cable connection is between the battery and the front and rear derailleurs.
• The derailleur needs only be adjusted once and that's it for the rest of your road bike's life.

• This rear derailleur is a bit vulnerable due to the long cage.

Specifications