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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
Tiagra BR-4770
Two-bolt dropout mount
True to its name
PRESSURE DRIVE SMALL
Equipped with a Body Geometry Comfort Gel saddle
SRAM Chain Ring X-SYNC 2 30T DM 3mm Offset Boost Alum Eagle Black 11.6218.054.008 Tiagra BR-4770SRAM Chain Ring X SYNC 2 30T Direct Mount 3mm Offset Boost Alum Eagle BlackEagle Technology creates the smoothest, quietest, longest lasting and most efficient drivetrains we've ever made. The radical new look and feel of our X SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X SYNC chainrings. The longer, positive rake tooth shape has been designed to work
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