Box One Oversized 20mm Cassette 3mm Spacer Kit

Upgrade your drivetrain with the Box One 20mm oversized cassette spacer kit, designed for precise chainline adjustment and optimal performance.

Made from 6061-T6 aluminum and CNC machined for strength and precision, these spacers are extremely lightweight, weighing only 3g. Their anodized finish ensures increased durability while maintaining a sleek, professional look.

Compatible with OS Spline drivers, the Box One 20mm oversized cassette spacer kit is the ideal solution for BMX riders looking to maximize drivetrain performance with minimal weight.

• Extremely lightweight
• Material: 6061-T6 Aluminum
• Process: Extruded and CNC machined
• Finish: Anodized
• Thickness: 3 mm
• Sold individually

Compatibility:

• Driver: OS Spline* (Onyx Ultra SS)
• Weight: 3 g / 0.10 oz