Description
The Box One Cassette Spacer Kit is extruded and CNC-machined from 6061-T6 aluminum and features a super lightweight minimalist design. Packaged in 4 piece kits which provide 1 to 10 millimeters of spacing adjustment to dial in that chain line.
The kit allows adjustment of spacing from 1 to 10 mm, helping to achieve the correct chainline setup as needed. Compatible with Box One Stealth (Harmonic) and Box Three Pro & Mini hubs.
The durable construction and precise machining ensure reliable performance and easy installation.
Technical data:
- Material: 6061-T6 aluminum (CNC-machined)
- djustment range: 1–10 mm
- Compatibility: Box One Stealth (Harmonic), Box Three Pro & Mini hubs
- Design: lightweight and minimalist
Kit includes:
- 2 × 1 mm spacers
- 1 × 3 mm spacer
- 1 × 5 mm spacer



