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多骑少改:Y架强度不够(黑人问号) (2026-09-25 12:01)
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wznow57:理论上马甲线是拉的作用,y的小横梁是顶的作用,但是楼主的想法是多少解决一点抗扭和增加一定纵向 (2026-09-26 00:28)
bicycle86:马甲线怎么是硬连接呢?那三根钢丝绳可以做一个车架吗[图片] (2026-09-26 12:42)
hupo:20年前就改过,两个坐管夹(一头锁死一头快拆)和一个变径套连接上管,好像记得大行有款车就有这个设计 (2026-09-26 10:17)
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