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Ships within 48 hours · Estimated delivery Sep 4 - Sep 9
loud ring when flicked
Including only the most essential tools you're likely to need for quick mid-ride adjustments
Compatible with mountain bikes (almost all have a standard 1 1/8" steerer tube)
Pros: Very powerful
Shimano GRX FC-RX820 1x12 Chainring - Four Bolt - 110 BCD - 51.1mm - Round - 42T - 12 Speed - Alloy YGroup_7034277199917 loud ring when flickedShimano chainring 40T and 42T for FC RX820 1, compatible with 12 speed system.
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