[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

内变速(如Shimano Nexus/Alfine 3-8速)几乎免维护、可静止变速、链条全封闭防脏,适合日常通勤和城市车,但重量比外变速大、损坏后维修难

1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen

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curl https://kongchang.com/api/v1/knowledge/claims/118597
MCP
get_claim(id=118597)