The Box One Alloy Cassette Spacer Kit contains awesomely lightweight, Shimano compatible spacers made from extruded and CNC machined 6061-T6 aluminum. Each kit contains 4 spaces, a 3mm, a 5mm, and two 1mm. Using different combinations of these four piece and the awe-inspiring wonders of math you can create everything from 1 10 milimeters of spacing.

FEATURES

• Adjustable from 1mm to 10mm
• XO Skeleton Design
• Shimano Compatible
• Extremely Lightweight
• Anodized Color Finish

SPECIFICATIONS

• Material: 6061-T6 Aluminum
• Process: Extruded/CNC Machined
• Spacing: 1 to 10mm
• Finish: Anodized