SRAM X-Sync 11-Speed 48T 110mm Chainring Black MFPN=W2AE59BBBAXE2 look for the serial number

look for the serial number inside the battery door

The woom 4 comes with independently operated front and rear V-brakes to ensure that whether your Rider is bombing down that big hill they conquered or making their first forays off the pavement

tubing insert

AIR VALVE AND CAP

Grip with 360° cork shield

SRAM X-Sync 11-Speed 48T 110mm Chainring Black MFPN=W2AE59BBBAXE2 look for the serial numberSRAM 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