Product 1: Shimano Deore Deore M5120 rear derailleur, 10/11-speed, Shadow+, SGS long cage
Product 2: KMC X10 Grey, an entry level 10 speed chain
Product 2: Compatible with all Shimano, Campagnolo and SRAM 10-speed derailleur systems
Product 2: The X-Bridge system provides smoother and more precise gear shifting to give you absolute confidence when you're out of the saddle and you need your drivetrain to be perfect
Product 2: Non-Directional Design: assembly of this chain is independent of direction. It allows maximum compatibility, no matter MTB or Race: this chain fits all