SRAM ESP X.0 Rear Derailleur - model 07 The professional's choice. Experience SRAM X.0 - the pro-ready rear derailleur that's lighter, stiffer, smoother and flat-out better looking than anything out there. With a potent mix of high-grade metals - forged aluminum and titanium - reinforced carbon composite, advanced engineering and smart design, SRAM X.0 is the ideal upgrade for your current SRAM system. Picture shows Medium Cage Version.
Manufacturer:	SRAM
Type:	SRAM ESP X.0 Rear Derailleur
Version:	Short Cage Long Cage Medium Cage
Technology:	1:1® actuation ratio & Direct route technology for lighter effort shifting
Speeds:	8/9
Material:	Forged alloy links and B-knuckle, High Strength Grilon® P-knuckle, Machined and heat treated oversized pivot pins, sealed cartridge bearing pulleys, CNC long-cage / Carbon Fiber on short and med.
Compatibility:	SRAM 1:1 shifters (triggers and twisters)
Weight:	192g Short Cage 197g Medium Cage 210g long cage