Through Authenticate 
700C ROAD WHEELSET
PROFILE: 50mm CARBON+ALLOY RIM
HUB: F/20H , R/24H BEARING
SPOKE: FLAT STAINLESS BK
WEIDHT: 1845g
COLOR: Matt BK
Description:
1.Wheelset with*Close Drive System*hub ,
2.Control the sound of Drive side and reduce the friction.
3.This design have good totate function than origional wheelset.
