Grade 10 chromium steel balls. Round to within 10 millionths and twice as round as top of the line Dura Ace and Record loose balls.
- 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
- 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
