最近，我们在Ratio Technology的Instagram上发现，他们似乎正在开发一个Direct-Mount（直接安装）原型的后拨变速器，以配合SRAM最新的UDH（Universal Derailleur Hanger）标准。在已知的Ratio设计方法来看，它是对旧机械变速器的直接升级，估计能得到SRAM目前最新技术和尚未 ...

We’ve measured the brakes on the BikeRadar scales of truth and the pictured example comes in at 152g including pads, which is actually 22g lighter than SRAM’s own quoted weight (though it’s possible ...