I was desperate to try out one of those front-mounting bike ... child safety seat is mounted. The maximum weight limit for this (and most other) seat(s) is 4-years-old and 40lbs but the steel ...

There are so many different styles of child bike seats on the market, but none of them seemed right for me, since I'm one of the least athletic people ever to call themselves a cycling enthusiast.

A vendor on Taobao, a Chinese eBay-like shopping website, demonstrates shared bikes mounted with extra child ... seat post. Most of the Taobao vendors claim their seats are made of carbon steel ...