Disc brake adapter to convert your 6-bolt disc brake to a centerlock system.
With a slim lockring design and compatible with all BBB Powerstop discs.
• Convert your 6-bolt disc brake to a centerlock
• Hub rotor adapter
• Extra slim lockring design, road bike compatible
• Converts 6-bolt rotors to centerlock
• Compatible with all 1.8mm BBB Powerstop discs
• Tool fit size: 16 notch 44mm - BTL-27L/38/105