Full Speed Ahead Pro Track 46t x144mm Black Chainring 1/2"x1/8" ModelNumber=31675 }SRAM NX Eagle 12-Speed Trigger

}SRAM NX Eagle 12-Speed Trigger Shifter with Discrete Clamp Black

46 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA MegaExo Spindle Interface Type FSA MegaExo Light Spindle Interface Type RaceFace EXI Weight 153 BB Shell Width (mm) 68 BB Shell Width (mm) 73 BB/Frame Interface PF30

width:100%

Surly Trailers are designed to handle issues common to many cargo trailers

Diameter 26in Brand Sun Ringle Model MTX-33 ISO 559 ID Width 26 Width OD 33 Profile 24

Full Speed Ahead Pro Track 46t x144mm Black Chainring 1/2"x1/8" ModelNumber=31675 }SRAM NX Eagle 12-Speed TriggerFull Speed Ahead Pro Track 46t x144mm Black Chainring 1 2"x1 8". FSA Pro Track Chainrings are CNC Machined AL7075 T6 with laser etched logos. Requires 1 2"x1 8" chain TECH SPECS Tooth Count 46 Ring Position Type Single Drivetrain Speeds Single Speed 1 2" x 1 8" Chainring BCD 144 Color Black Defined Color Black Material Aluminum