Hey guys I used to have a chris king rear hub and new that they needed to be serviced every 10-12 months I now own a hope pro 2 and woundered if and HOW??? They're serviced any vids on how to do so thanks, and chain tensioners what's the best ACCEPT the Rolf to expensive any reviews on it,ohh and while I'm at it 24" forks well the echo urban 24" disc forks are they any good and again the maxxis holy roller tyres anyone care to give me review how long they last things like that thanks guys...Alex.