In other disciplines and dictionary definitions, filterable means just the opposite: the material passed by a filter, usually called Total dissolved solids or TDS. Thus in chemistry the non-filterable solids are the retained material called the residue.
The cost for a Redline BMX bike differs based on which model and year is preferred. The current line of Redline BMX bikes consists of 34 different bikes. There are three categories that these bikes fit into: racing, freestyle and youth. These range in price from a MSRP of $2,599 for the Redline Flight Team Carbon Pro XXL/XL 20 to the Redline Raid 16'' with an MSRP of $225.
Mountain or hybrid bikes are too heavy. Before getting a road bike, make sure you get a bike fit done at a shop that serves racers; if the shop you go to tells you to just stand over the bike, pick another shop. While a bike fit may cost you as much as $60, it is absolutely worth it. You are almost sure to not enjoy racing if your bicycle does not fit you.