FSA Flowtron dropper post review

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The $299 Flowtron dropper post features smooth action with a massive dropper lever with adjustable tension to customize rider feel and control.

FSA Flowtron Dropper Post Long

FSA has a winner in the Flowtron; delivering a performance dropper post with no need for aftermarket upgrades.

What is it

FSA released the new Flowtron dropper post at Eurobike 2017 and racers and riders alike have been looking to get their hands on it. A massive update from its previous dropper seatpost, FSA swung for the fences and listened to rider feedback with the Flowtron. Coming in at $299 retail the Flowtron is cost-effective and weighing in at 600 grams, read on to see if it ticks all the boxes for a lot of trail riders.

  • Easy setup
  • Three settings for lever pull force to actuate
  • Easily controlled
  • Lever is easy to find and easy to use
  • $299 price is very competitive
  • Up and down action and locking is smooth and positive
  • Cable routing for lever
  • Big lever means 1X only
  • Heavy at 650 grams
Mtbr’s Take

FSA is no stranger to the trail and all mountain scene having successful lines in both cross country and enduro. An essential element of these segments is now the dropper post, now a must-have component for agggresive descending. Dropper posts are slowly creeping their way on to near every dirt related bike we know. Why not? Nothing beats that first dropper feeling; soaring down your favorite descent, hitting the magical button, slamming the post and railing like there’s no tomorrow. Now dropper posts are lighter, faster and less expensive, bringing the drop to the masses and improving ride quality everywhere. FSA wants to get in on the action with the affordable and reliable Flowtron.

FSA Flowtron Dropper Post Rear

FSA Flowtron is easy to install and get your height dialed in.

The name Flowtron from what I can gather is the name of a dropper recommended trail in Tokul East outside of Seattle; super cool. Out of the box, it’s noticeable that every aspect of the Flowtron is checked over, even the packaging. Sleek design and thrash metal graphics, the Flowtron is meant to complement the ride without calling attention to itself. The most notable upgrades from the prior model is the dedicated single textured thumb lever with adjustable tension. This style lever is much easier to operate and is reminiscent of expensive aftermarket levers. The addition of a barrel adjuster makes setup very easy as well as adjusting for housing seating after install.

FSA Flowtron Dropper Post Lever

FSA Flotron’s lever has a light feel and quick action.

We tested the 150mm 31.6mm options which came in at 462mm long and 600g (excluding the 50g remote). Internally, the Flowton received an upgrade adding a sealed cartridge to adjust the post height and moved from two to three circular brass keyways to improve durability and reduce play. They also dropped 100 grams off the post by moving to an aluminum cartridge with a 6mm shaft in place of the steel cartridge with an 8mm shaft.

Switching from a Fox Transfer to the FSA Flowtron I only find little nuances in performance difference. The Flowton returned faster than my FOX and my thumb preferred the action on the lever as well. After many miles of riding no play or adverse dropping has occurred. The setup was effortless, but my only gripe is I would like a place to slot the cable end, to keep everything nice and tidy. Though the pinching mech screw is a much better choice, rather than sink screws that only destroys cables after installation.

FSA Flowtron Dropper Post Lever Detail

Detail is everything and the Flowtron lever is proof; no slips and all grip.

FSA has a winner in the Flowtron; delivering a performance dropper post with no need for aftermarket upgrades, at a price that most can wrap their head around. If you’re looking to add some drop to your trail ride, check out the Flowtron; you will not be disappointed.

Rating: 4.5 out of 5 4.5 Flamin' Chili Peppers
Price: $299
More info: www.fullspeedahead.com

FSA Flowtron Dropper Post Long FSA Flowtron Dropper Post Rear FSA Flowtron Dropper Post Lever FSA Flowtron Dropper Post Lever Detail

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