(接上期)三、自行车车轮与轮胎的创新动态自行车的车轮,包括前、后轮、车圈、前后车轴、外胎、内胎是自行车的主体部件。今年GRDEIBT博览会的热门话题则是:2013年曾是26″轮径山地车终结的开始,而今年几乎所有的大公司都将主力车型从传统的26″轮径跳转到更大的27.5″轮径。27.5″被宣称为最适合亚洲人骑乘的轮径标准,比26″拥有更快的速度和更强的通过性,但是相比29ers机动性更强,重量也更 (Continued) Third, the innovation of bicycle wheels and tires Dynamic bicycle wheels, including the front and rear wheels, rims, front and rear axles, tires, inner tubes are the main components of the bicycle. This year’s GRDEIBT Expo hot topic is: 2013 was the end of the 26 “wheel mountain bike start, and this year almost all the major companies are the main models from the traditional 26” wheel diameter jump to the larger 27.5 “wheel Trail .27.5 ”is claimed to be the most suitable wheel diameter standard for Asian riders, with faster speeds and better passability than the 26", but with a more mobile and heavier weight than the 29ers