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Bosch Drive Unit Bolt Set - Smart System - Frame Bushings Narrow (BDU31YY, BDU34YY, BDU38YY)
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Who it is for and how to use it
Ideal for
Anyone needing to secure a Bosch Drive Unit with a narrow mount
Designed for secure installation of Drive Unit BDU31YY, BDU34YY and BDU38YY with narrow frame bushings.
Anyone looking for a Bosch Smart System screw set
Suitable for work on Bosch components with the Smart System standard and for a screw set aligned with the specified mounting system.
Anyone replacing a fastening with backward compatibility
Intended for work on Drive Units already fitted with frame sleeves and looking for a backward-compatible replacement.
Use cases
Ideal
Fitting a Drive Unit with a narrow mount
Suitable for securing a Drive Unit BDU31YY, BDU34YY or BDU38YY with narrow frame bushings.
Drive Unit BDU31YY · Drive Unit BDU34YY · Drive Unit BDU38YY · Boccole telaio strette
Very suitable
Replacing the mounting system on Smart System
Suitable when switching to the new Bosch fastening system for Smart System with the matching frame bushings.
Smart System · Set EB1190002H · Boccole telaio · Set viti
Suitable
Working on a bike already configured with frame sleeves
Can also be used on Drive Units that were still installed with frame sleeves, thanks to the stated backward compatibility.
Retrocompatibilità · Manicotti da telaio · Drive Unit · Bosch
Who it is for
Technician or mechanic working on Bosch e-bikes
- Looks for
- A specific screw set for Drive Unit BDU31YY, BDU34YY and BDU38YY with narrow frame bushings.
- Why
- Compatibility is defined precisely and the set is intended for secure installation in the Smart System.
Cyclist replacing Drive Unit mounting components
- Looks for
- A replacement compatible with set EB1190002H and the new Bosch fastening system.
- Why
- The frame bushings and the matching screws are backward compatible with previous configurations.
Frequently asked questions
Which Drive Units is this screw set compatible with?
It is compatible with Drive Unit BDU31YY, BDU34YY and BDU38YY. It is intended for narrow frame bushings.
Which set must it be mounted with?
It must be mounted exclusively with the corresponding frame bushing set EB1190002H.
Is this set suitable for the Smart System?
Yes, the stated standard is Smart System. The product is part of the Bosch mounting system intended for these Drive Units.
Is it compatible with Drive Units already installed with frame sleeves?
Yes, the frame bushings and the matching screws are backward compatible with Drive Units that were still installed with frame sleeves.
Is it compatible with the wide variant of Performance Line SX?
No, the new mounting system is not compatible with the wide variant of Performance Line SX.
Show all (6)
What type of component is it?
It is a screw set.
Information prepared by the BSA team with the support of AI, based on the manufacturer's specifications.
