Box Harmonic Mini Hubset

Box Components


Box Harmonic Mini Hubset

Box designed the super-lightweight Harmonic hubs to meet the needs of the raddest little riders. Starting with cold-forged 6061-T6 hub shells, we added oversized aluminum front axle and rear axle bolts, a Shimano-compatible, 7075-T6 aluminum cassette body and smooth-rolling sealed bearings. A proven reliable 4-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 hard-anodized cassette bodies or 24-hole in black with gold hard-anodized cassette body. Not recommended for riders weighing more than 120 pounds.


Axle 3/8" (10mm)
Hole Count 24 or 28
Hub Engagement 36 tooth ratchet ring, 4 pawls offset, 5 degrees
Material 7075-T6 Aluminum
Weight 383 grams / 13.5 ounces (w/lock-ring & spacers)

Hub Dimensions:
Front Hub:
Flange Diameter: 45mm
2.65mm Spoke Holes
67.5mm Flange to Flange Width

Rear Hub:
Rt. Flange Diameter: 58mm
Lt. Flange Diameter: 53mm
2.65mm Spoke Holes
50 mm Flange to Flange Width
Rt. Flange to Center: 22.14mm
Lt. Flange to Center: 25mm

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