I have a completely custom fit aitken s3.5 that I've had for 5 months(I bought it brand new), and s&m pitchfork xlt forks, united grande bars, profile push stem, demolition blumida front hub laced to a demolition zero rim, I have brand new sprocket and BB, primo balance bCk wheel and hub. I've put well over $1000 bucks into it also it has 25/9 ratio
(thats in 2 weeks)