“Strida”型折叠式自行车是英国自行车行业的一种新产品。它的问世,标志着欧洲折叠式自行车已发展到了一个新的阶段。此种自行车前后车轮(不包括内、外车胎)均采用轻金属整体浇铸工艺制成,即车圈、辐条及轴皮一体浇铸成形。车架呈不规则三角形。车把酷似一根顶端左右两侧各装有一根短柄的悬臂梁(长度约20Cm)。车架管子全部采用铝合金材料制成,管子壁厚为2mm,直径大约在40mm左右。车架底部 The Strida folding bicycle is a new product in the UK bicycle industry. Its advent, marking the European folding bike has developed to a new stage. The front and rear wheels of the bicycle (excluding the inner and outer tires) are all made of a light metal integral casting process, namely the car rim, the spoke and the axle skin are integrally cast and shaped. Frame was irregular triangle. The handlebar resembles a cantilever beam (about 20 cm in length) that is fitted with a short handle on each side. All frame pipe made of aluminum alloy, pipe wall thickness of 2mm, diameter of about 40mm or so. Bottom frame