ball bearing
Bearings
DETAILS
Item: SC699-2RS
Closures: 2RSSealed
Structure: Ceramic Ball Bearing
Dimensions: 9 x 20 x 6mm
ID (inner diameter): 9 mm
OD (outer diameter): 20 mm
Width: 6 mm
Quantity: 1 Lot =1 PC
A Special Structure
Besides the patch where your tires meet the road, what's the next spinning component that can either slow you down or let you roll faster?
You would be correct if you said hubs, but that component would be more accurately described as the bearings inside.
And if you've put this Hub Bearings ABEC-3 bearings inside, you've just upgraded your hub to another level.