I've been run 3/8 bolt on my profile hubs for about 2 years with no problems. I grind a lot and they've held up. I think it's just how smooth you are. If you're doing big stuff get a 14mm. If you do little tech stuff 3/8 is fine.
Added reply in a thread custom fit mac 8/21/2013 7:57 PM
thanks! it's the best bike I've ever had.
Added reply in a thread custom fit mac 8/21/2013 2:23 PM
no. i work at a bike shop. i only paid 400
Added reply in a thread bike identification 8/21/2013 12:27 PM
it's a trek from the late 90's. my local shop used to sell those.
Started new thread custom fit mac 8/21/2013 11:36 AM
frame: fit mac (custom) 20.5tt/ 13''cs/ 11.7''bb/ 75.5ht/ investment cast seat clamp/ brakeless fork: s&m pitchfork xlt bars: fit dugan 8.45'' stem: fit hightop 49mm headset: odyssey grips: fit tech barends: (custom) home made seat: tree ''fat''
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