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수요일, 4월 15, 2026
HomeCyclingTOOT Ashaa RR Ultra-Aero Road Bars Beat UCI Turned-In Lever Rule in...

TOOT Ashaa RR Ultra-Aero Road Bars Beat UCI Turned-In Lever Rule in Steel, Ti, or Carbon


Puppy paws & turned-in levers are out, however ultra-narrow super-aero bars are in – and TRed’s TOOT Racing has a UCI-compliant Ashaa RR resolution. A bar first developed on the monitor, the Ashaa RR is a customizable super-narrow, flared & ultra-aero street handlebar designed to get you in essentially the most aerodynamic place, with out sacrificing security or management. To rapidly get bars into racers’ fingers, Toot 3D-print the handlebars to suit the rider from chrome steel for max energy or titanium for extra weight financial savings.

Or when you have a bit of persistence, weight weenies will have the ability to get an excellent lighter carbon Ashaa RR aero handlebar choice quickly. And it’ll be lots cheaper too!

TRed’s TOOT Ashaa RR 3D-printed aero street handlebars

Aero positive aspects are every little thing lately. And refining your place on the bike has at all times been one of many easiest and handiest methods to save lots of watts. As a lot as manufacturers prefer to sweat over the incremental enhancements of hidden nipples or tweaked rim profiles, the rider nonetheless accounts for a lot of the drag on a motorcycle at velocity.

First developed on the monitor, then refined on the street

TT & Triathlon racers have lengthy accepted that refining their hand place has been the easiest way to go sooner. But street riders have been caught with typical drop bars, because the UCI continues to ban any alternate hand positions.

The newest UCI guidelines eradicated the “pet paws” or “invisible aerobars” place for actual security considerations as riders weren’t truly holding onto their bikes in the bunch. So riders opted for turned in levers to maintain their fingers “on the bars”. But once more, light-weight carbon bars weren’t designed for metallic clamps on the uncommon inward angles, in order that obtained banned too.

Side observe: I’ve each damaged a bar off below the clamp in a small crash racing. And eliminated a ‘manufacturing facility set’ lever to seek out the carbon bar crushed below the imperfectly put in metallic lever clamp. So, I get the priority.

But professional racers wish to go quick. And novice riders prefer to emulate their professional biking heroes. So, there must be an answer.

Italian bikebuilder TRed’s part division TOOT has been engaged on alternate ergonomic and aero handlebars for a while. We final caught up with their Ashaa bar on the monitor a pair years in the past – when the patented it. Updated extra final summer season. But now, with extra UCI restrictions on street racing, the customizable aerodynamic nature of that unique bar looks as if it might repay much more. Both for professional and novice racers alike.

This model then was developed and examined on the street & monitor with Argentinian former professional bike owner Facundo Lezica working with TRed/Toot’s Romolo Stanco. Then, confirmed with present Madison World Champ Jan-Willem van Schip.

What’s distinctive concerning the TOOT ASHAA RR bar?

TRed calls the TOOT ASHAA RR, the “first handlebar to ensure an especially aerodynamic place with out compromising management and security.” That will get to addressing all the UCI’s considerations, it appears.

It is constructed round a singular slim geometry that places your fingers additional ahead, greater, and nearer collectively, than even a slim typical 38-42cm bar (all dimension mentioned are measured center-to-center) on the hoods.

Note: UCI regulation dictates allowable outdoors dimensions for racing eligibility, which is why Toot lists these.

Ultra-narrow and complexly curved

That means a protracted bar Reach of 118mm and deep Drop of 105mm. That’s designed to suit together with your similar stem – your arms attain extra ahead as fingers come nearer collectively.

Width is wildly slim at round 24cm huge on the hoods, that are barely raised above the stem. Then, they lean the bars themselves in round 5° in the direction of a clamping space, additional rotated in one other 5-10° to securely interface with turned-in levers – ensuing in the top of your hoods being 19-21cm huge.

Wow, proper?

Super slim.

But the Ashaa RR street racing bars additionally function dramatic (for the street) ~20° flare for a secure sense of management. Officially it’s not “flare” as Toot explains that it’s a non-linear curve (a key a part of their patent). There are only a few actual straight angles on the bar. But the result’s that it places the ends of the drops 33-35cm huge. And the roomy drops function angles to supply a natural-feeling place and loads of stability.

It’s definitely a dramatically totally different place – one thing in between common drops and aero bars. Yet regardless that you might be slim and leaning ahead, the rider can hold their fingers firmly held in the acquainted secure place of a dropbar for max management.

How Much Faster?

“Both with high and low grip the place is secure and comfy with good dealing with. From the information collected with the Velocomp Aeropod V5 pitot system – which detects the CdA in actual time – my general aerodynamic effectivity improves by greater than 4%. This implies that if with a traditional 40cm handlebar at 320W I’m at 45km/h, with the place that this handlebar permits me to imagine (each on the controls and on the handlebar) I journey at 47km/h conserving the levers completely aligned with the deal with. And do not forget that the extra the velocity will increase, the broader the hole between the 2 values is.”

– Facundo Lezica, skilled monitor & street bike owner, and ASHAA RR 3D designer

3D-Printing Tech

Of course, 3D-printing allowed TRed / Toot to rapidly flip an concept into actuality. But it additionally means they’ll customise the precise form to finest match riders individually – very like we see in customized aero bars. But it’s a bit easier right here, Toot refines a proposed form with a customized bar purchaser, then mocks-up a plastic dummy for closing testing earlier than printing a metallic bar.

Their normal 3D-printed Ashaa RR is made out of 316L chrome steel, which permits Toot to tailor energy & stiffness to particular person rider wants as nicely. They say that may range complete bar weight from 360-480g.

They print every metal or ti bar in two interlocking halves, welded collectively in the center (see inside, between the place the stem clamps), after which floor completely clean for a 31.8mm clamping space.

How sturdy is that?

This is a 3D-printed Toot Asheeta metal monitor bar I noticed after an enormous crash into the boundaries final summer season at one thing like 50km/hr, so onerous that if folded-in the downtube (however didn’t crack any tubes or welds). And the bar is simply scratched. And the journey walked away, though bleeding and lacking some pores and skin.

All bars are additionally appropriate with full inside cable routing. In truth, Toot also can make you a customized carbon, aluminum, or titanium stem in any desired size to work with the commonest inside routing programs.

Fully customizable in 3D-printed metal

They 3D-print the Ashaa RR in chrome steel in Italy on the University of Pavia. And provide both in this inventory geometry. Or you may get a totally customizable dimension and form to make it match completely in your personal fingers and in opposition to your personal forearms. Importantly, all customized bars are additionally stress and fatigue take a look at licensed by a business third social gathering.

Toot even says that it could possibly “even be personalized for gravel“. We’re fairly curious what we’d change to journey off-road. But at this value, they’ll make it no matter form you want.

Lighter weight in Yottalight 3D-printed titanium

The bar can also be obtainable in the usual dimensions because the Toot Ashaa RR Yottalight. 3D-printed in titanium in Germany by ApWorks (a division of the Airbus group) to save lots of weight with out sacrificing energy. Weight financial savings over the optimized metal model is alleged to be about 15%.

More reasonably priced AND lighter in carbon

If you wish to save weight AND some money – opposite to every little thing else in the bike business – you possibly can even choose carbon, as a substitute. But you’ll have to wait a bit of longer. Toot manufactures the carbon bar with extra typical molding strategies. Although for now in 3D-printed metal molds in Italy for the early manufacturing. So solely the inventory dimension and form is on the market. The carbon bar can also be 2cm wider with wider wings up prime, providing a bit extra common attraction.

Toot Ashaa RR – Pricing, choices & availability

Essentially 4 variations of the brand new Toot Ashaa RR aero street racing handlebar can be found. Standard geometry in 3D-printed metal for 1390€. Standard geometry in 3D-printed titanium or customized geometry in 3D-printed metal for 1990€. Or ‘simply’ 429€ for the carbon bar should you pre-order now.

The 3D-printed bars are all made-to-order with a max 21 working day lead-time for normal geometry. Toot affords the carbon Ashaa RR bars as a pre-order till mid-February, with the primary deliveries slated to start on the finish of Mach 2024.

What’s subsequent?

One piece 3D-printed metal or titanium handlebar+stem cockpit combos?

Yeah, Toot is already engaged on that too. This is a customized Ashaa RR 1-piece cockpit in 3D-printed titanium!

Performance.TootEngineering.com

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