Homemade spider tool to replace chainring on Bosh Performance CX 4th gen motors - YouTube
The o-ring found between the chainring and lockring on Bosch G4 systems is missing with my e*spec ring. Is that correct? – ethirteen support
Stronglight 2286581623 e bike chainring bosch gen3 standard direct mo
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eBike Motor Centre (Performance Line Bearings) - Spider removal tool for all Brose motors. Part No PLA00938
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Bosch Gen 4 - How to change the chainring? | Page 2 | EMTB Forums
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M-Wave unisex adult PD-DM-Gen4 e-bike chainring for Bosch GEN 4, for 1/2 x 3/32 & 11/128" chains, chainline 50 mm, narrow wide, steel, black, 15 x 15 x 1 cm : Amazon.co.uk:
Bosch Gen 4 - How to change the chainring? | EMTB Forums
Ethirteen Steel DM Chainring Bosch CX Gen4 Black 36t