SPROCKET XTREME ALU/STE KTM/HQV/GAS SX/EXC125-620 90-23, TE/TC/FE/FC 00-23, MC/EC/EX 21-23 42T BK/OR

Manufactured using a high grade C45 Medium Carbon Steel outer ring and rear face with a recessed CNC machined 2024 aluminium Inner front face for weight reduction. The outer steel section of the rear sprockets have a black polished finish and the inner aluminium face has an ELOX finish in individual OEM colours.