SRAM XX and 2008-13 X0 9 and 10 Speed Pulley Kit 700x37C Square JIS interface

Square JIS interface

but can be installed individually

5 Defined Color Black Drivetrain Speeds 11 Number of Chainrings Double Pedal Spindle 9/16" Rings 39/53 Rings 53/39 Spindle Interface Type SRAM/Truvativ GXP Weight 699

50 Tire Diameter/ISO 28/622 Tubeless Technology TLR e-Bike approved Yes

FastFit Wheel Chock System allows for changing wheel sizes from 18” to 29” in seconds tool-free

SRAM XX and 2008-13 X0 9 and 10 Speed Pulley Kit 700x37C Square JIS interfaceSRAM XX and 2008 13 X0 9 and 10 Speed Pulley Kit. Original equipment rear derailleur pulleys for SRAM rear derailleurs. TECH SPECS Fits Brand SRAM Drivetrain Speeds 9 Drivetrain Speeds 10