SRAM Red 22 53T 130mm BCD YAW Chainring Gray Hidden Non-Hidden Bolt Use 39T Model=Verdict SG1 Tire Features a built in Schrader

Features a built in Schrader adapter

Silicone materials will not damage bicycle frames

Standard model designed for road bikes and gear while the large size is more for mountain bikes and able to store a 29 inch tube

}SRAM Hydraulic Road Disc Piston and Seal Kit B1

SRAM Red 22 53T 130mm BCD YAW Chainring Gray Hidden Non-Hidden Bolt Use 39T Model=Verdict SG1 Tire Features a built in SchraderSRAM Red 22 53T 130mm BCD YAW Chainring Gray for Hidden or Non Hidden Bolt Use with 39T. Top quality design and materials in sizes to fit modern road and cross bikes. 7000 series aluminum provides strength and durability TECH SPECS Tooth Count 53 Ring Position Type Outer Drivetrain Speeds 11 Chainring BCD 130 Color Grey Defined Color Gray Material Aluminum