Box One Oversized 20mm Cassette Spacer Kit – Lightweight Chainline Precision
Upgrade your drivetrain with the Box One Oversized 20mm Cassette Spacer Kit, engineered for precise chainline adjustments and maximum performance. Designed for serious BMX racers, this kit includes adjustable spacers ranging from 2mm to 6mm, giving you the ability to fine-tune your cassette spacing for a flawless setup.
Each spacer is CNC-machined from 6061-T6 aluminum for strength and accuracy, while keeping weight to an absolute minimum. At only 3 grams total, this kit provides the ultimate in lightweight drivetrain optimization. The anodized finish ensures durability and a sleek, pro-level look.
The kit comes with three 2mm spacers, offering flexible adjustment options to get your chainline dialed to perfection. Fully compatible with OS spline drivers, it’s the ideal solution for riders running Box Oversized™ drivetrain components or other oversized systems.