Shimano 21T Sprocket for Nexus Geared Hubs - Y33060000

- Fits 3/32 chains
Compatible with;
- BR-IM31-R (Inter-M Brake)
- BR-IM41-R (Inter-M Brake)
- SG-3C41-DX (Nexus 3-Speed Hub with Coaster Brake)
- SG-3R40-DX (Inter-3 Hub)
- SG-7C15 (Inter-7 Hub)
- SG-7C16 (Inter-7 Hub)
- SG-7C18 (Inter-7 Hub)
- SG-7C22 (Inter-7 Hub)
- SG-7C25 (Inter-7 Hub)
- SG-7C26 (Inter-7 Hub)
- SG-7R42 (Inter-7 Hub)
- SG-7R45 (Inter-7 Hub)
- SG-7R46 (Inter-7 Hub)
- SG-8C20 (Inter-8 Hub)
- SG-8C22 (Inter-8 Hub)
- SG-8C31 (Inter-8 Hub)
- SG-8C56 (Cyber Nexus Inter-8 Hub)
- SG-8R20 (Nexus 8-Speed Internal Hub)
- SG-8R22 (Nexus 8-Speed Internal Hub)
- SG-8R25 (Nexus 8-Speed Internal Hub)
- SG-8R27 (Nexus 8-Speed Internal Hub)
- SG-8R31 (Nexus 8-Speed Internal Hub)
- SG-8R35 (Nexus 8-Speed Internal Hub)
- SG-8R45 (Nexus 8-Speed Internal Hub)
- SG-8R55 (Cyber Nexus 8-Speed Internal Hub)
- SG-8R56 (Cyber Nexus 8-Speed Internal Hub)

-35mm ID

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