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Discussion Starter · #1 ·
Trying to get my two boys dropper posts sometime on or before Xmas.

Anybody have examples of external dropper posts that will work for kids weighing 55 and 100 lbs, and for 27.2 posts?

Boy 1: 8yo 100 lb, 24" hardtail
Seatpost 6 5/8" 169mm from collar to rails
Over 10" 254mm insertion

Boy 2: 7yo 55 lbs 20" hardtail
Seatpost 6 1/8" 156mm from collar to rails
8 5/8" 219mm insertion at least

Here is what I'm currently planning:

Boy 1 Brand X Ascend II 105mm

Boy 2 PNW Fern 90
 

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I just picked up a Fern for my 50 pound 7 year old and it works great. I'd jump on it though - I think they are out of stock at the PNW site but there are some through Backcountry/Competitive Cyclist
 

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I think you're on the right track with the PNW Fern. I swear CRC used to have better specs for their Brand-X droppers with full dimensions. The one issue you may run into with them is that Ascend II is the minimum weight is listed at 50kg (110 lbs). Brand-X does have a 27.2mm kids dropper made for 44-88 lbs range, but it is internal only.
 

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Discussion Starter · #4 ·
I ordered the fern and the ascend ii. Wanted to try the ascend to max out the travel. And he's a heavy 100 lbs lol. So I will make a review or update this post.

If the bikes weren't 27.2, at least the 24" one, there would have been more options I think.

The ascend ii is in customs coming from CRC, so crossing fingers or doesn't take too long.
 
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