Bosch Gen4 Spider/Chainring Lock Nuts

North Shore Billet Verified independent store

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Replacement lock nut for the spider or chainring on Bosch eMTB Gen4 units. CNC machined in our Whistler shop. Check out our 104 BCD Bosch Gen4 motor compatible spiders. Features: S old as a single unit Pattern for Bosch Gen4 Lockring Sprocket Tool Machined from solid 7075 aluminum Anodized black with laser etched graphics Show more