microSHIFT R10 rear derailleurs feature forged and CNC machined construction that pairs durability with a quality finish. This lightweight and lightweight rear derailleur is robust and designed to get any 10-speed Shimano Road compatible bike back on the road.

• Forged and CNC machined aluminum construction is lightweight and rugged
• Cage is crafted with steel for enhanced chain-rub durability
• For use with Shimano 10-speed road systems
• Not compatible with Shimano Tiagra 4700 road system
• 25-28t Max cog (Note: The R10 Long Cage is designed for use with triple chainring cranksets, with a larger 39t chain-wrap capacity, and is optimized to track across the physical constraints and chain-wrap demands of a triple front setup; however, its upper body geometry limits large-cog clearance to 28 teeth.)
• Long cage has a 39t capacity