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Acera RD-M390
smaller block pattern
5mg Length 12mm Material Alloy Comments Cold forged and machined Spoke Diameter 1
K-Edge SRM Chain Catchers
SRAM X-Sync 2 Eagle Direct Mount Chainring 30T 6mm Offset rear-axle-conversion-kit Acera RD-M390Intense study of chain and chainring wear patterns led to the radical tooth profile that lasts longer, runs quieter and further improves chain retention. Fully CNC Aluminum ring construction Eagle technology provides an expanded, optimum, gear range for 1x drivetrains X SYNC 2 chainring design increases chain retention, wear life, and reduces friction and noise Designed to be used with Eagle 12 speed chains SRAM Direct Mount Compatibility Item
US$ 37.95
US$ 37.95
US$ 37.95
US$ 3339.50
US$ 2707.00