Box One Cassette Locking Ring

Improve your transmission with the oversized cassette spacer kit Box One 20 mm, designed for precise chain line adjustment and optimal performance. This kit includes 3 spacers of 1, 2, and 3mm, allowing adjustments from 1 mm to 6 mm so you can perfectly set the spacing of your cassette. Made from 6061-T6 aluminium and CNC machined for strength and precision, these spacers are extremely lightweight, with a total weight of only 3 g. Their anodised finish ensures increased durability while maintaining a sleek and professional look. The kit includes three spacers of 1, 2, and 3mm, allowing you to adjust your cassette configuration to your needs. Compatible with OS Spline drivers, the oversized cassette spacer kit Box One 20 mm is the perfect solution for BMX riders looking to optimise their transmission’s performance with minimal weight. Extremely lightweight Material: 6061-T6 Aluminium Process: Extruded and CNC machined Finish: Anodised Dimensions: Thickness: 1mm, 2mm, 3mm Sold in a pack of 3 (1, 2, and 3mm)