Processing:precision forging and machining Sandblasting,Galvanized,Cr-plating..etc ISO standard OEM accepted

1) Material:45# steel,16 # Mn,A3 steel

2) Specification:415,420,428,428H,520..etc

3) Front gear:13T,14T,15T,16T,17T..etc

4) Rear gear:34T,35T,36T,37T,38T,57T..etc 

5) Heat treatment:High frenquency quenching,Carburization

6) Surface treatment:Sandblasting,Galvanized,Cr-plating..etc

Packaging sample:

Any special order is welcomed.

Welcome to your inquiry.

This file will help you more clear about your demand and help

 me figure out for you an aggreable price. Please fill it with the 

references I have given you or something you like, just according to  your needs.

Model:____________ (415,420,428,428H,520,530 or others )

Tooth:_____________ (front:13T--17T;  rear :34T---57T )

Material:____________  (A3 steel, 45# steel,or others )

Thickness: ___________mm (6.0mm ,6.5mm, 7.0mm or others )

Do you want guarantee hardness? ________(YES or NO )

Do you want surface burnished ? __________ (YES or NO )

Besides, in order to manufactuer the accuate products just for you,please tell me

 your stencil patterns , just send me the drawings

Q23 steel motorcycle sprockets--Valen