The Shimano SG-7R40 Nexus Ball Retainer (3/16" x 11) is a replacement component designed for use in compatible Shimano hub assemblies, especially in Nexus internal gear hubs. Engineered to exact specifications, this ball retainer helps maintain smooth, consistent rotation by properly spacing and guiding the bearing balls within the hub’s bearing race.
SG-7R40 Nexus Ball Retainer 3/16 x 11 is product number 20 in the attached image
Genuine Shimano replacement part
- Product Type - Wheel Hub Spares
- Colour - Silver
- Size - 3/16 x 11
SG-7R40 Nexus Ball Retainer 3/16 x 11
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The Shimano SG-7R40 Nexus Ball Retainer (3/16" x 11) is a replacement component designed for use in compatible Shimano hub assemblies, especially in Nexus internal gear hubs. Engineered to exact specifications, this ball retainer helps maintain smooth, consistent rotation by properly spacing and guiding the bearing balls within the hub’s bearing race.
SG-7R40 Nexus Ball Retainer 3/16 x 11 is product number 20 in the attached image
Genuine Shimano replacement part
- Product Type - Wheel Hub Spares
- Colour - Silver
- Size - 3/16 x 11