SRAM Red Yaw 39T 10-Speed Hidden Bolt Chainring Use with 53T Labeled Size-29 x 2.40 Hardware includes bolts with T25

Hardware includes bolts with T25 Torx head

(1) 10mm color black package set/3

8 Cable Routing Internal Width Measurement Center Width 44 Defined Color Black Clip-on Compatible No

It also makes for evenly distributed bulk at the top of the hat for a comfortable fit under helmets

model eeSilk/Silk+ description rebuild and press kit

SRAM Red Yaw 39T 10-Speed Hidden Bolt Chainring Use with 53T Labeled Size-29 x 2.40 Hardware includes bolts with T25SRAM 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. Compatible with the SRAM Red Yaw front derailleur 7000 series aluminum provides strength and durability TECH SPECS Tooth Count 39 Ring Position Type Inner Drivetrain Speeds 10 Chainring BCD 130 Color Black Defined Color Black Material Aluminum