This is a brand new Power Drive kit manufactured by Kitaco Co. in Osaka, Japan.
It is designed for Honda Zoomer X 110 scooter.
Its special shape allows to increase top speed and acceleration.
Easy to install on genuine fittings..
Here are additional technical informations from manufacturer:

DESCRIPTION
COST PERFORMANCE DRIVE KIT FOR HIGH ACCELERATION PERFORMANCE AND MAX SPEED.
HIGH DURABILITY MATERIAL IS ADAPTED FOR TYPE-X PULLEY

●COPPER BUSH IS NEWLY ADAPTED FOR HIGH DURABILITY.

REMARKS
※STOCK WEIGHT ROLLERS NOT USEABLE. USE SUZUKI B TYPEφ17.0×12.0


APPLICATION
ZOOMER-X
JF52 ALL MODEL
LEAD110/-EX
JF19 ALL MODEL
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ePacket Light tracked postage

Our company is located near Tokyo and we have exported Japanese quality motorcycles parts for more than 15 years.
Our customers are located worldwide.
Premium quality postage by Japan Post, default is ePacket Light economy service but we can also use EMS for express delivery, feel free to contact us for inquiries and orders, we will be very glad to provide all needed advices about parts and service.
Thank you very much.