This Shimano 105 series rear derailleur uses the same wide link design as the proven Dura-Ace and Ultegra series. Wide links allow for quick shifting and buffer the pivots for durability and to maintain crispness over time.

• Compatible with 10-speed drivetrains
• Maximum sprocket capacity is 30T
• Minimum sprocket capacity is 11T
• Maximum front difference is 16T
• Total capacity is 34T

• Sport road cycling

• 10-speed