sram x7 rear derailleur mech silver SRAM X.7 takes a page from the XO and brings it to a lower price level.The rear derailleur has had a total redesign, mixing the design of the X-0 derailleur with the cheaper manufacturing costs of aluminium and steel. The open design of the X-7 should all
Forged aluminium B-knuckle: superior strength and rigidity, precise performance
New, lighter, proprietary titanium extension spring: improved performance curve
Outer-link design: ultra-stiff and ultra-light
New P-knuckle design with reinforced carbon composite: enhances the Holeshot link design
ESP and DIRT combined technologies: lighter effort shifting
Did we mention light?
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