DetailsW-M SEALED SB-6702-15.0/21.0/4.0-BAG/2
- • High chromium steel bearing races.
- • High quality rubber seals that won't interfere with the balls themselves.
- • The seals simply seal out contamination without increasing any rolling resistance
- • High quality lithium grease.
- • These bearings are acceptable replacements for any OEM bearing, already on your bike, they are economical and long lasting