This ball bearing set is specified for use with the Team XRAY NT1 chassis and identified as model BS-XN1/V1. It is intended as a direct replacement for drivetrain and wheel bearings on the NT1 platform.
The components reduce rolling resistance at rotating assemblies and help preserve alignment of shafts and hubs under racing loads. When fitting new bearings, confirm bore and width tolerances, clean mating surfaces, and inspect all adjacent parts for wear before reassembly.
Fitting guidance: press bearings evenly into hubs and carriers until fully seated, avoid levering or misalignment during installation, and verify clearance at differentials and wheel hexes after fitting. For maintenance, keep bearings free from grit, check races for damage, and replace any unit that exhibits play or roughness.
A practical direct-replacement bearing set for NT1 owners servicing drivetrain or wheel assemblies, suitable for track and club use.
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