辛迪，这是你的自行车吗？
Check out some of the free, simple projects and tutorials above if this is your first time building a bike or trike from plans.
退房自由，简单的项目和一些教程上面如果这是你第一次的自行车或三轮车的计划。
This is not possible for everyone, but if you live in a place where the pollution is less and your workplace is relatively close by, then choose to walk or bike instead of driving.
当然，并非每个人都适合这么做。不过，如果你的住处空气比较清新，而你的工作地点又比较近的话，就不必开车了，走路或骑自行车吧。
The frame is the heart of your bike and you will want a good one, at this price range alloy is going to be the first choice with carbon forks and possibly a carbon rear triangle.
该框架的核心是你的自行车，你会希望有一个良好的，在这个价格区间合金将是首选，碳叉，可能是碳后方三角形。
There is proper leg extension between the saddle and the pedals. Do this by having a friend steady your bike, or mount your bike in a stationary trainer with the wheels level.
第一，大小腿在脚踏和座垫之间有一个合适的伸展距离。首先，让你的朋友协助你让自行车在平地上直立，或者让你的自行车在一个训练平台上。
There is proper leg extension between the saddle and the pedals. Do this by having a friend steady your bike, or mount your bike in a stationary trainer with the wheels level.
第一，大小腿在脚踏和座垫之间有一个合适的伸展距离。首先，让你的朋友协助你让自行车在平地上直立，或者让你的自行车在一个训练平台上。
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