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Sporting Goods / Cycling / Bicycle Components & Parts / Chainrings & BMX Sprockets
This chainring is designed to be used on the Shimano Alfine S501 crankset and both the inner and outer chainring guards. This chainring has special holes drilled in it to accept the inner chainring guard. Because the Alfine uses a 1x setup for the front chainring there is no need for ramps or shift pins
130mm BCD
39 teeth
9 speed
Single-ring use
Returns Accepted for this item if it's within 30 Days