Speed ratio 3-10 speed ratio 15-25 before shooting, please tell us that the customer service specific model has any quality problems, we will bear all costs
The hardness of the tooth surface:
Hard tooth surface
The layout of the form:
Coaxial
Series:
4 ji
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!