SRAM Red Yaw 39T 10-Speed Hidden Bolt Chainring, Use with 53T

Tooth shapes and shift pins are designed specifically for use with SRAM Yaw front derailleurs. 7000 series aluminum provides strength and durability Compatible with the SRAM Red Yaw front derailleur Inner rings have two installation positions to work with either type of outer ring Item Specifications Color Black Material Aluminum Chainring BCD 130 Defined Color Black Ring Position/TYPE Inner Drivetrain Speeds 10 Tooth Count 39