![Cyclus Tools GEN3 + GEN4 e-Bike Lockring Remover Tool, 32mm (3/8") : Amazon.co.uk: Sports & Outdoors Cyclus Tools GEN3 + GEN4 e-Bike Lockring Remover Tool, 32mm (3/8") : Amazon.co.uk: Sports & Outdoors](https://m.media-amazon.com/images/I/516ybcuHftL._AC_UF894,1000_QL80_.jpg)
Cyclus Tools GEN3 + GEN4 e-Bike Lockring Remover Tool, 32mm (3/8") : Amazon.co.uk: Sports & Outdoors
![eBike Motor Centre (Performance Line Bearings) - Bosch Gen 3 Lockring tool, sprocket nut tool. Part No PLA00929 eBike Motor Centre (Performance Line Bearings) - Bosch Gen 3 Lockring tool, sprocket nut tool. Part No PLA00929](https://www.ebikemotorcentre.com/wp-content/uploads/2021/11/Gen-3-1.jpg)
eBike Motor Centre (Performance Line Bearings) - Bosch Gen 3 Lockring tool, sprocket nut tool. Part No PLA00929
![QKURT Lockring Tool, 8-Tooth Splines Bottom Bracket Tool Sealed Cartridge Tool Compatible with Shimano SRAM Truvativ ISIS 8-notch Bottom Bracket Cups : Amazon.co.uk: Sports & Outdoors QKURT Lockring Tool, 8-Tooth Splines Bottom Bracket Tool Sealed Cartridge Tool Compatible with Shimano SRAM Truvativ ISIS 8-notch Bottom Bracket Cups : Amazon.co.uk: Sports & Outdoors](https://m.media-amazon.com/images/I/6172Z3qESkL._AC_UF350,350_QL80_.jpg)
QKURT Lockring Tool, 8-Tooth Splines Bottom Bracket Tool Sealed Cartridge Tool Compatible with Shimano SRAM Truvativ ISIS 8-notch Bottom Bracket Cups : Amazon.co.uk: Sports & Outdoors
![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 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](https://support.ethirteen.com/hc/article_attachments/360082068711/Bosch_o-ring.jpg)
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
![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: 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:](https://images-eu.ssl-images-amazon.com/images/I/51HrcNcKHEL._AC_UL210_SR210,210_.jpg)