[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

平路通勤配单速或内变速(如Shimano Nexus内3速)即可,免维护耐脏;起伏路/山地应选外变速(8速以上,如Deore/Altus),配合中置电机爬坡不吃力

1
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80%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/115919
API
curl https://kongchang.com/api/v1/knowledge/claims/115919
MCP
get_claim(id=115919)