Johan Bornman Posted November 4, 2011 Share HOw does it get in the seat tube? There is no way on my bike that anything can get into the seat tube. Where the seatpost meets the frame the seatclame keeps it just about water tight. Seat Tubes in general are a big problem with water. On conventional bikes it carries the water into the BB shell. Wash your bike and then open the BB. A cup of water comes out. If you ride in the wet, the back wheel shoots dirty water agains the seat post. From there it runs into the seal tube - past the clamp, and into the frame. This is easy to confirm. Simply take out your BB and you'll find water or, evidence of water in there. The best cure is to drill a drainage hole in the bottom of the BB. This saves your BB from rotting from the inside....but, very few people are brave enough to drill a hole in a BB shell. Whay, I cannot fathom. Link to comment https://forum.bikehub.co.za/topic/109649-niner-air9-carbon-cable-replacement/page/2/#findComment-1524949 Share on other sites More sharing options...
andretraut Posted November 4, 2011 Share Phew, and I almost bought one of these as a trainer! Seems that they only good to put on an indoor trainer! Link to comment https://forum.bikehub.co.za/topic/109649-niner-air9-carbon-cable-replacement/page/2/#findComment-1524978 Share on other sites More sharing options...
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