Speed ratio 15-30, speed ratio 3-10, please tell us the customer service before shooting, if there is any quality problem with the specific model, we will bear all the costs
tooth surface hardness:
Hard tooth surface
layout form:
coaxial
series:
level 4
Choose region:
Choose shipping method:
Items weight estimation 0 g, subject to actual weight
Calculated shipping includes heavy logistics. Order more, shipping costs will reduce
to 50% discounts!
You can advise shipping services including DHL, ocean shipping, UPS, Fedex, pls contact us!