Originally Posted by ckindt

They do come pre-cut to a specific length; a length that offers a range of adjustment while maintaining an adequate safety margin. Ideally (arguably), your most used position is near the center of the range. This affords you some room to change positions depending on your mood, type of ride, fitness level, age or planetary alignment. If you end up with your adjustment at one end of the range, it indicates you started off on the wrong size frame or you made it that way by modifying it yourself; like chopping the steering tube for vanity purposes.
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