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The UC on this new Truthful bicycle Drop Finest UC stands for Common Compatability. And meaning this little gadget will bolt on high of just about each 2-bolt seatpost on the market, to let riders replace the geometry of their previous bike or tweak the match of latest bikes. Following up on their original offset seatpost head that labored solely with the Reverb dropper put up, now they’re again with a common match resolution for nearly all mountain bike droppers, plus a bunch of the proprietary seatposts discovered on quite a lot of trendy street and gravel bikes, too…
Truthful Drop Finest UC offset seatpost head tweaks bike geometry
![Fair Drop Best UC offset 2-bolt seatpost head, 27mm offset head detail](https://bikerumor.com/wp-content/uploads/2024/04/Fair-bicycle-Drop-Best-UC-offset-2-bolt-seatpost-head-fixes-bike-geometry_27mm-backwards-offset-1536x864.jpg)
Plenty of the bikes we trip today actually restrict how a lot adjustability you may have with seat place. Since mountain bikers have principally all shifted to zero-offset dropper posts, and so many present street & gravel bikes use proprietary seatpost shapes, you’re just about on the whim of the bike designers as to the place precisely your saddle finally ends up. Positive you possibly can transfer your place entrance or again a centimeter or two. But when that doesn’t at all times put you within the excellent place for a snug match and good pedaling efficiency, you’re out of luck.
Truthful describes in as being “caught within the center”.
![Fair Drop Best UC offset 2-bolt seatpost head, slam your saddle forward](https://bikerumor.com/wp-content/uploads/2024/04/Fair-Drop-Best-UC-offset-dropper-seatpost-head-steepens-effective-seattube-angle-1536x1152.jpg)
So that they created their first Drop Best offset seatpost topper that shifted the saddle rail clamp on a Reverb dropper. And mountain bikers trying to tweak their trip jumped on this little downside solver. So then, Truthful went again to the drafting board to determine learn how to make the Drop Finest extra of a common match.
Common Compatability Tech Particulars
![Fair Drop Best UC offset 2-bolt seatpost head, 2° slackker seat angle](https://bikerumor.com/wp-content/uploads/2024/04/Fair-bicycle-Drop-Best-UC-offset-2-bolt-seatpost-head-fixes-bike-geometry_back-1536x1024.jpg)
![Fair Drop Best UC offset 2-bolt seatpost head, 2° steeper seat angle](https://bikerumor.com/wp-content/uploads/2024/04/Fair-bicycle-Drop-Best-UC-offset-2-bolt-seatpost-head-fixes-bike-geometry_forward-1536x1024.jpg)
Truthful designed the ensuing Drop Finest UC to let provide you with an additional 27mm of ahead or rearward place adjustment. And between 0mm and -11mm of stack peak allows you to maintain or decrease your place a bit. Add that to the protected clamping vary of your saddle’s rails, and also you acquire a complete world of additional adjustability.
They achieved that with a low-profile modular cradle that may work on nearly all 2-bolt vertical seatpost heads. Machined from high-strength 7075 aluminum, held along with US-made grade 12.9 bolts.
![Fair Drop Best UC offset 2-bolt seatpost head, universal compatible prototype development](https://bikerumor.com/wp-content/uploads/2024/04/Fair-Drop-Best-UC-Universal-Compatability-offset-2-bolt-seatpost-head_development-prototypes-1536x1024.jpg)
Truthful developed the common head by actually shopping for the entire hottest posts, and 3D-scanning them to make sure trouble-free match. There was loads of variation in clamp size, width & angle. Plus, match for standard spherical rails or oval 7×9 or 7x10mm carbon rails. However completely different bolt {hardware} turned the actual limiting issue – M5 or M6 (5 or 6mm), or customized {hardware}. And, when you aren’t 100% satisfied of the match, you possibly can even obtain a 3D file from Truthful and 3D-print a dummy to confirm that it offers you the offset or angle that you just need.
![Fair Drop Best UC offset 2-bolt seatpost head, seatguts detail](https://bikerumor.com/wp-content/uploads/2024/04/Fair-bicycle-Drop-Best-UC-offset-2-bolt-seatpost-head-fixes-bike-geometry_Swiss-made-head-detail-1536x1024.jpg)
The Truthful resolution solved all of that, whereas “staying inside of a few grams of the unique design, but nonetheless passing assessments manner above ISO MTB requirements”. The entire setup weighs a claimed 139g (as much as 174g within the heaviest configuration). However it replaces a mean of 75g of inventory seatpost head {hardware}. So, only a internet 64g acquire to tremendously improve your saddle place adjustability
Truthful’s ethos is making certain all the pieces they do is honest to the setting and honest to the employees who make your gear. So, it’s totally Swiss-made, and all the pieces from the product to its packaging is absolutely recyclable.
Modernize your MTB geometry and even dial it again
![Fair Drop Best UC offset 2-bolt seatpost head, 2° slacker MTB seattube angle](https://bikerumor.com/wp-content/uploads/2024/04/Fair-bicycle-Drop-Best-UC-offset-2-bolt-seatpost-head-fixes-bike-geometry_Kona-MTB-saddle-backward-27mm-1536x922.jpg)
Dropper posts are superb, however their setback is fastened. And there’s big variation in actual seattube angle from one mountain bike to the subsequent, new-to-old, XS-XL sizes, and a few oddly bent or offset seattube body designs. And it’s even powerful for us who nerd out on the element, to be 100% positive about what a model’s “efficient” seattube angle means on some bikes today.
![Fair Drop Best UC offset 2-bolt seatpost head, 2° steeper MTB seattube angle](https://bikerumor.com/wp-content/uploads/2024/04/Fair-bicycle-Drop-Best-UC-offset-2-bolt-seatpost-head-fixes-bike-geometry_Kona-MTB-saddle-forward-27mm-1536x922.jpg)
I imply, personally, I wish to know the efficient seat angle at my saddle peak. However that’s typically not one thing I can simply discover out from a brand new bike’s geometry chart. So what appears like a 74° angle could possibly be off a level or two after I sit on the bike. If that places you out of the best place you needed, a Truthful Drop Finest UC can sometimes get you again an additional 2°. Both steeper, or now so steep in case your new bike feels prefer it’s pushing you too far ahead.
That 2° may be an superior improve in your previous mountain bike with an old style (learn: slacker) seat tube angle. Steepen it up a few levels and your weight will shift ahead for simpler, extra upright climbing and improved entrance tire grip on the steep uphills.
And just about each mountain bike with a dropper will be tweaked with the brand new Truthful Drop Finest UC.
Tweak your street or gravel match, too
![Fair Drop Best UC offset 2-bolt seatpost head, steeper aero road](https://bikerumor.com/wp-content/uploads/2024/04/Fair-bicycle-Drop-Best-UC-offset-2-bolt-seatpost-head-fixes-bike-geometry_DeRosa-aero-road-offset-1536x922.jpg)
Proprietary seatposts can be nice, proper? Free aerodynamic positive aspects and tremendous slick integration appears good in your newest gravel or aero street bike. However you’re typically locked into the place your inventory seatpost determines. Say you wish to race your aero street bike at a TT or triathlon, or simply wish to get extra weight over the entrance of your gravel bike. You probably are fairly restricted with out looking down some uncommon alternate put up. However even these will probably solely add rearward offset, nearly by no means ahead.
![Fair Drop Best UC offset 2-bolt seatpost head, slacker road bike](https://bikerumor.com/wp-content/uploads/2024/04/Fair-bicycle-Drop-Best-UC-offset-2-bolt-seatpost-head-fixes-bike-geometry_Colnago-C68-road-offset-back-1536x1024.jpg)
Similar to on the mountain bike, the Truthful Drop Finest UC allows you to tweak that street bike seattube angle by about +/-2°. Not everybody wants that additional +/-27mm of fore-aft saddle adjustment. However those that, do are gonna be psyched at how simple it may be for a Drop Finest Street setup to remedy what ails them.
It received’t match fairly as many street bikes, since many use 1-bolt or different side-bolted designs. However there are nonetheless loads of vertical street 2-bolt seatpost heads on the market, oftentimes with a hidden/upside-down entrance bolt.
Why offset an present bike?
![Fair Drop Best UC offset 2-bolt seatpost head, fix your existing bike's fit](https://bikerumor.com/wp-content/uploads/2024/04/Fair-bicycle-Drop-Best-UC-offset-2-bolt-seatpost-head-fixes-bike-geometry_Specialized-road-forward-offset-1536x1024.jpg)
Truthful bicycle’s mission is to make your bike higher. That doesn’t actually matter if the bike is new or previous.
Why not get the very best match and trip out of the bike you have already got, as an alternative of at all times having to purchase one thing new to reap the benefits of the newest developments in bike geometry? Truthful say, “One of the best bike is the one you don’t purchase… In case you are not racing severely, we consider you possibly can nonetheless have all of the enjoyable on a well-set-up older bike… So if our merchandise will help that: mission achieved.“
Truthful Drop Finest UC – Pricing, choices & availability
![Fair Drop Best UC offset 2-bolt seatpost head, new universal compatibility options](https://bikerumor.com/wp-content/uploads/2024/04/Fair-bicycle-Drop-Best-UC-offset-2-bolt-seatpost-head-fixes-bike-geometry_options-1536x528.jpg)
The Truthful Drop Finest UC offset idea does supply nearly “common compatibility”, nevertheless it nonetheless requires you choosing the right {hardware} for the kind of put up you wish to modify. The whole offset clamp with most likely the most typical M5 bolts is the bottom price at $134 / 125€. A full setup with M6 bolts or the particular F21 tweak for 2021 Fox Switch/RaceFace posts will run you $158 / 146€. The Truthful Drop Finest Street setup sells for $152 / 140€. However you can even purchase completely different {hardware} kits down the street for $20-34/19-32€ if you wish to swap from one set up to a different. (Observe: all costs above are approximate, as authentic pricing is in Swiss Francs CHF.)
![Fair Drop Best UC offset 2-bolt seatpost head, 2021 Fox Transfer on MTB](https://bikerumor.com/wp-content/uploads/2024/04/Fair-Drop-Best-UC-offset-universal-seatpost-head_complete-MTB-with-Fox-Transfer-21-dropper-1536x922.jpg)
All choices can be found now direct from Truthful, in comparatively small numbers. So snap one up rapidly when you really feel the necessity to tweak your bike’s geometry earlier than the beginning of spring using actually kicks into full gear.
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