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The dirt-sealing design of GXP reduces friction and weight and increases durability - for a better feel and higher performance.
X-SYNC 1X chainrings from SRAM ensure highest performance and durability. The long SRAM X-SYNC tooth edges grip the chain earlier than traditional triangular teeth. The sharp and narrow tooth profile as well as the rounded inclined edges support the chain guide. To provide the best possible performance even on muddy terrain, the X-SYNC chainrings have recesses for removing dirt and mud from the inner chain links and rollers. The X-SYNC chainrings manufactured in Germany are an important part of the 1X-drive of SRAM.