Accept return/exchange within 2 weeks if you save the item in original condition

1 years of warranty for proper usage only

If there is any Quality problem,pls contact me before leaving feedback,I will solve the problem for U

Listing is for the Bearings only, the Hub won't be included

Description

For Generation 2 Cognition Hub Rim Brake only

Won't fit Generation 1

Total Ceramic Bearing Set for Zipp NSW Cognition Rim Brake Hubs(Front，Rear& Free Hub Body), Normally come with Zipp Generation 2 Cognition 404,808&303 NSW Version

Race Material: P6 bearing steel
Ball Material: Nitrided Silicon Ceramic SI3N4
Enclosure: 2 Rubber Seals
ABEC 5