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grogee":fwreqssd said:Can someone remind me what the point of E-stay was? Is it just to stop chain bashing chainstay and/or stop chain suck?
A mate of mine has an E-stay Al-Mega with early Rock Shox... the frame has cracked, just like everyone else's Al-Mega as far as I can tell. Don't rate 'em myself.
Chainsuck would be one of the reasons.
An e-stay also allows you to remove the chain without having to take it apart (very handy if you're considering belt drive).
Also, normal bikes need to have a certain chainstay length (distance between BB and rear axle) because the chainstay tubes need to clear both the tyre and the crankset. An e-stay doesn't have this problem, so you can shorten the chainstay length up to the point where the tyre nearly touches the seat tube. That makes for quicker handling and better climbing capability.