SRAM X-Sync 11-Speed 48T 110mm Chainring Black Model=RR 421 }Shimano TL-BB12 Press-Fit BB Install

}Shimano TL-BB12 Press-Fit BB Install Tool 160mm

Double ”X” bridge shape allows for precise gear shifting

Compatible with OneLoc remote

}Full Speed Ahead K Force Light Chain - 11-Speed 117 Links Silver

Pressure Relief Valves eliminate unwanted air pressure build up in the lower leg caused by variations in altitude or temperature

SRAM X-Sync 11-Speed 48T 110mm Chainring Black Model=RR 421 }Shimano TL-BB12 Press-Fit BB InstallSRAM X Sync 11 Speed 48T 110mm Chainring Black. SRAM X Sync chainrings feature tall teeth with alternating tooth profiles that hold the chain amazingly well and still provide space for mud to clear. Full CNC AL rings TECH SPECS Tooth Count 48 Ring Position Type Chain Retaining Single Ring Drivetrain Speeds 10 Drivetrain Speeds 11 Chainring BCD 110 Color Black Defined Color Black Material Aluminum