AX-Lightness Wheel Ceramic Bearing Set

Features:
- 3-5 times longer lifetime than steel bearings
- 5-9 watts energy saving with the wheel ceramic bearing upgrade
- Grade 3 Si3N4 ceramic balls - 8 times rounder and 4 times smoother than steel balls
- ABEC 7 - mirror polished alloy steel bearing races lead to extremely lower friction
- C 3 clearance - less vibration and smoother riding
- High performance Kluber grease
- Designed for Cycling Use

AX-Lightness Road Ultra

Kit configuration:
6 Ceramic Bearing Kit
2 front hub / 2 rear hub / 2 cassette body

Bearing codes:
2 x 6801
3 x 6803
1 x 6903