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SRAM Direct Mount Boost Chainring – Drop-Stop B

Original price was: $63.96.Current price is: $37.55.

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SKU: SDM28-BST-B Category:
  • Made from premium 7075-T6 aluminum for durability and weight savings
  • Drop-Stop chainrings are designed for use with 1×9, 1×10, 1×11 and 1×12 drivetrains
  • Compatible with all 10-, 11-, and 12-speed chains, with the exception of Shimano 12-speed chains
  • If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention

Direct mount rings designed for use with SRAM cranks that utilize their 3-bolt mounting style. This premium 7075-T6 Aluminum Alloy chainring is equipped with the patent pending Drop-Stop asymmetrical tooth design for the best in wear life, mud clearance, and chain retention.