Box One Hub Lock Ring

The Box One Hub Lock Ring is a CNC-machined 6061-T6 aluminum replacement for the stock steel cassette lockring on Shimano-compatible freehub bodies. It holds your cog on the driver and weighs just 7 grams, offered here in red, blue or black anodizing.

Features

• Extruded and CNC-machined aluminum, lighter than a steel lockring
• Direct replacement for the steel lockring on Shimano-compatible cassette hubs and drivers
• Anodized finish for color-matching your build
• Made for racers and riders who want a lighter, color-matched cassette setup

Specs

• Material: 6061-T6 aluminum, CNC-machined
• Outside diameter: 43.6mm
• Weight: 7g (0.25 oz)
• Compatibility: Shimano-compatible cassette hubs and drivers
• Colors: Red, blue, black

Fitment

Fits BMX cassette hubs and drivers with Shimano-compatible threading. Aluminum is softer than steel, so use a proper lockring tool and do not overtighten.

Shipping is often faster, but some items like this one can take 1–3 weeks to ship.