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The SRAM Rear Derailleur B-Bolt and Limit Screw Kit for GX Eagle (52T) is a genuine replacement hardware set designed to keep your drivetrain running precisely and reliably. Over time, small components like the B-bolt, washer, and limit screws can wear, corrode, or become damaged during maintenance or impacts. This kit provides the critical mounting and adjustment pieces needed to restore secure derailleur attachment to the frame and accurate positioning of the derailleur relative to your cassette, especially important with wide-range Eagle 52T cassettes.
Using original SRAM hardware helps ensure proper fit, consistent performance, and long-term durability. The B-bolt and washer maintain the correct derailleur mounting angle and stiffness, while the limit screws allow you to fine-tune the derailleur’s travel to prevent the chain from overshifting off the largest or smallest cogs. Ideal for home mechanics and professional workshops alike, this small but essential kit is a smart addition to your spares box, helping you quickly resolve shifting issues and keep your GX Eagle-equipped mountain bike shifting smoothly on every ride.
