| Color | Silver |
|---|---|
| Option | 21t |
| Brand | Shimano |
| Part Type | Cassette |
Check the listing for details. Shimano Nexus 21t Cog. Color: Silver, Condition: New. Listed at 7.99 USD. Shimano Nexus and Alfine cogs will work with either 1/8" or 3/32" chains.
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