Dremmel or similar rotary tool. Get the seat at the right height, double double check, then engrave a little line on the post just above where the seat tube stops. Presto.... Get the sharpie on it then, and it should stay in the groove to make it a little more visable.
Dremmel or similar rotary tool. Get the seat at the right height, double double check, then engrave a little line on the post just above where the seat tube stops. Presto.... Get the sharpie on it then, and it should stay in the groove to make it a little more visable.