Mountain Bike Action Product Test: FSA Flowtron Dropper Seatpost

 

Tech features:

Full Speed Ahead, or FSA for short, is a company that makes a large majority of the parts you need to build a bike. From wheels to cranksets, handlebars and more, FSA has you covered. This month we took a closer look at the Flowtron dropper post. The post features either 125 or 150mm of travel and is available for 30.9 or 31.8 seatpost diameters. The remote features an adjustable actuator that allows riders to custom-tune the lever between a light and firm feel. The post itself is designed with a head that integrates into the stanchion, allowing the saddle to be dropped as low as possible while also reducing insertion depth FSA designed the Flowtron to be routed internally and includes the shifter-style remote in the packaging. Our 150mm travel, 30.9 post tipped the scale at 619 grams.

 

Field test results:

When it comes to installing internal dropper posts, the difficultly will vary based on the frame you plan to install the post on. Bikes with internal tubes can be ready to hit the trails in a matter of 15 minutes. Having a bike frame with more difficult routing could double or triple installation time. Once the post is in place and you’re ready to install the cable to the remote, you have the option of tuning your lever feel among three different positions. We settled for the middle setting and moved on. The two-bolt clamp made installing the saddle a breeze and gave us the ability to tilt the saddle to our preferred angle.

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