BB DJC Internal Sleeve 7075 Aluminium - Arrowmax AM-010080  [AM-010080]

Internal sleeve for BB DJC bearing stacks

This Arrowmax AM-010080 BB DJC Sleeve is a purpose-made RC-scale insert for use with BB DJC bearing assemblies, produced from 7075 aluminium for consistent dimensional stability. It functions as an inner sleeve that supports correct bearing positioning and maintains steady contact between bearing parts during drivetrain and hub servicing.

As a user-replaceable wear insert, the sleeve helps cut down on bearing play and preserves the seat geometry of BB DJC assemblies after repairs or parts swaps. It is intended for regular model maintenance and should be integrated into routine drivetrain or hub service checks.

Fitting and setup notes: the sleeve sits within the BB DJC assembly and helps control axial and radial alignment of the bearing stack; when fitting, check clearances and seating against your existing BB DJC parts to avoid added runout or binding.