Dropper Post Calculator

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A B
Step 1 (Measurement A) ?

Raise your seat to your desired saddle ride height, and measure from the seat post collar to the seat rail.

Step 2

Select your Knolly model and size.

Step 2 (Measurement B) ?

Insert your seat post (or something else pipe-like) as far into your frame as you can without forcing it, and mark the top of the seat post collar on the seat post. Remove your seat post and measure from the bottom of the post to the seat collar mark.