Published on July 6th, 2015 | by Joe
Fasst Company, Flexx Handlebar Elastomer Maintenance, Tech Tip WITH VIDEO
Keep your Elastomers Fresh to maintain peak performance.
If you own a set of Flexx Handlebars and they seem like they are going soft on you, it’s probably time to replace your elastomers. If you have never tried a set, Fasst Company’s Flexx Handlebars, they’re designed to isolate your upper body from vibration and high frequency impacts that get past your suspension which may come from roots, stutter bumps, or the metal to metal impact of your suspension bottoming out, while protecting you from catastrophic low frequency impacts like casing a jump, or a massive g-out. Flexx Bars are popular with many top racers and can really benefit trail riders and weekend warriors with stock suspension. They have many different bends available for adult and youth riders. If you are interested in a set and aren’t sure which bend is right for you, Fasst Company encourages you to contact them. They pride themselves on being ergonomic experts and can help you select the right bend for you based on your machine, chassis setup, your size, riding style, and ability level.
Fasst Company has worked hard to make owning their Flexx Handlebar system as easy and maintenance free as possible. Back in 2010 they redesigned their pivot point to include a proprietary fiber bushing, isolating the handle from touching metal to metal, which they say, “Eliminates the need to service the pivot bushing.” The new fiber bushing is also said to reduce friction and vibration. This leaves only the elastomers which needs to be replaced periodically. Some racers replace them every few months, while casual riders may get a season or two out of them. If your handlebars are notably softer than they used to be its time to replace the elastomers.
After 2009 Flexx Handlebars featured a compression and a rebound elastomers. The rebound elastomers control the compression elastomers rebound speed, eliminate any top out sensation, and further reduce vibration. If you have an older set, they can be upgraded with a rebound elastomer with a kit available from Fasst Company for $24.99.
Fasst Company offers four different elastomers with different levels of firmness, blue, yellow, red, and black, from softest to firmest. They recommend going with the same firmness or one step firmer on the rebound elastomer for the best feel and performance. We like the stock red compression/red rebound combination for smoother, big jump tracks. We prefer a yellow compression/red rebound setup for a bit more absorbtion on choppy tracks. We’ve gone as soft as a blue compression/yellow rebound on trial machines. Fasst Company has just released an even softer green elastomer for kids and super light riders. Out of the box the bars come set with three threads of preload, that can be increased or decreased to further tune the bars performance.
You can order a six compression elastomers and nuts, or four rebound elastomer and hardware set with elastomers of your choosing for $23.99, or purchase the elastomers individually for $3.00 each, allowing you to swap out all four elastomers and have your bars working and feeling like new for $12.00. Just like choosing the right bar bend, if you aren’t sure which elastomer setup will serve you best, the knowledgeable staff at Fasst Company highly encourages you to shoot them a call or e mail. You can reach them or view their full product line at fasstco.com