Box Harmonic Mini Cassette Hubs

Box Components designed the super-lightweight Harmonic hubs to meet the needs of the raddest little riders. 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. 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. Not recommended for riders weighing more than 120 pounds.

WEIGHT: 383 grams/13.6 ounces complete with lock ring and four spacers