Measuring Length of Bike Saddle for Proper Fit

AI Thread Summary
Determining the appropriate size for a bike alarm to fit under a saddle requires understanding how much the saddle is raised for comfortable riding. The length of the seat post exposed is a critical measurement, with one user noting about six inches of seat post visible on their road bike. It's important to consider that mountain bikes, which are more frequently targeted for theft, typically have more seat post showing due to their shorter frame designs. This information is essential for ensuring the alarm fits properly while maintaining riding comfort.
Gughanath
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Hey everyone...I need work out how big my bike alarm has to be to fit under a bike saddle...so could you please tell me by how far you move your saddle up, so you can ride your bike properly and sit comfortably?...This can be done by measuring the length of the metal rod that holds the saddle up...i urgently need the information...please help...thanx
 
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I have about six inches of seat post showing on mine. But my bike is a road bike. 3/4 of bike thefts are of mountain bikes, and mountain bikes usually have more seat post showing since they use shorter frames than do road bikes.
 
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