Harmonic Mini:~ Starting with cold-forged 6061-T6 hub shells they added oversize aluminum front axle and rear axle bolts a Shimano-compatible 7075-T6 aluminum casette body and smooth-rolling sealed bearings. A proven reliable 3-pawl cassette body ensures solid engagement every time.
• Each set also includes a color-matched aluminum BOX Edge Lock Ring and a gold BOX Zero Cassette Spacer Kit
• Not recommended for riders weighing more than 120 pounds
• Available in 28-hole drilling in red blue gold and black with gold anodized cassette bodies or 24-hole in black with gold cassette body