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Rear FLO 90 Aluminum + Carbon

The all new FLO 90 Aluminum + Carbon. The most versatile rear wheel for triathletes, and an excellent rear wheel for road racers. Perfect for racing and everyday riding.

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Price: $524

In Stock! Ships in 1-2 Days.

Rider Type

Is this wheel for you?

Triathlon/Time Trial

The rear FLO 90 Aluminum + Carbon is one of the most versatile rear wheel for triathletes and time trialists. It's a very aerodynamic race wheel that gets even faster with a wheel cover. Athletes looking for an even faster rear wheel, should consider our Aluminum + Carbon FLO DISC. If you are are looking for a lighter and/or faster option, consider our Carbon Clincher FLO 90 or FLO DISC.

Road Racing

The rear FLO 90 Aluminum + Carbon makes an excellent rear wheel for crits and stages races because it is very aerodynamic. Those looking for a shallower option, may consider our Aluminum + Carbon FLO 60. If you are racing on a budget, you should consider our Aluminum FLO 30. If you are looking for a faster and/or lighter wheel, consider our Carbon Clincher FLO 45, FLO 60, or FLO 90.

Recreational

The rear FLO 90 Aluminum + Carbon is not our first recommendation for recreational riding. Our Aluminum + Carbon FLO 60 or Aluminum FLO 30 would be better choices. If you are looking for a faster and/or lighter rear wheel, consider our Carbon Clincher FLO 45 or FLO 60.

What's best for me? Carbon Clincher OR Aluminum + Carbon?

Still have Questions? Contact Us

Data Driven Design

Rim Shapes Optimized Using Real World Data

Using 110,000 data points collected while riding on the road, we developed a custom optimization algorithm that intelligenty tested 500 prototypes to find the fastest rims shapes we've ever created. For more information on this process, visit our Aero page.

FLO Aero Data

GRAMS OF DRAG vs. DEGREES OF YAW

DEGREES YAW

* All wheels tested at the A2 Wind Tunnel with a 700c x 23mm Continental GP4000S II tire.

* Tunnel wind speed set to 30mph.

* Tare removed. Learn More.

* Mavic Open Pro was a front wheel with 32 round spokes and a 700c x 23mm Continental GP4000s II tire.

* All aero data recorded with rim brake wheels.

Time Savings with FLO Wheels

Wheel 40k Ironman
2013 FLO 30 38s 2m 51s
2016 FLO 60 Aluminum + Carbon 55s 4m 9s
2016 FLO 90 Aluminum + Carbon 1m 0s 4m 29s
2016 FLO DISC Aluminum + Carbon 1m 14s 5m 31s
2016 FLO 45 Carbon Clincher 55s 4m 6s
2016 FLO 60 Carbon Clincher 1m 3s 4m 41s
2016 FLO 90 Carbon Clincher 1m 4s 4m 48s
2016 FLO DISC Carbon Clincher 1m 11s 5m 19s

The above time savings were calculated using our Net Drag Reduction Value (NDRV) equation. The NDRV equation is designed to give cyclists an accurate estimate of expected time savings using FLO wheels. Learn more about our Net Drag Reduction Value equation.

Wheel Specs

FLO 90 Front Rear
Weight* 1078g 1232g
Rim 700c Aluminum Clincher 700c Aluminum Clincher
Tubeless Compatible Yes Yes
Rim Depth 94.8mm 94.8mm
Brake Track Width 25.0mm 25.0mm
Brake Track Angled Angled
Max Fairing Width** 26.0mm 26.0mm
Internal Rim Width 19.4mm 19.4mm
Carbon Finish Matte 3K Carbon Fiber*** Matte 3K Carbon Fiber***
Spokes Sapim CX-Ray Sapim CX-Ray
Spoke Count 20 24 Standard (<198lbs) / 28 Clydesdale (<242lbs)
Spoke Pattern Radial 2 Cross Standard / 3 Cross Clydesdale
Hub FLO VORTEX 2 FLO VORTEX 2
Free Hub n/a Shimano 9/10/11 OR Campy 9/10/11
Bearings 6900 Japanese EZO Stainless 6802 Japanese EZO Stainless
Recommended Tire Pressure See our Tire Pressure Guide (Max pressure 120 PSI) See our Tire Pressure Guide (Max pressure 120 PSI)
Recommended Tire Size 23mm-28mm 23mm-28mm

* Wheel weights are subject to a +/- 5% variance.

** Our wider rims do not fit all frames. See our fit guide.

*** Small surface imperfections are normal with a matte carbon finish.

FLO VORTEX 2 Hubs

Reliable Performance

The new FLO VORTEX 2 hubs come with Japanese EZO stainless steel bearings, and are highly serviceable.

Sapim CX-Ray Spokes

World Class Spokes

Sapim spokes are used around the world by top wheel builders.

What People are Saying

"What a story they are telling with these wheels. The design process was, as far as I can see, the most comprehensive and advanced this industry has ever seen, bar none."

"When you look closely at the data and run these new wheels through the models, they are aerodynamically as sound than anything created by the big players in the industry. What sets FLO apart is that their wheels come in at half the price without sacrificing performance."

"When a company tells you their new product is 2-3% faster than their original, you take notice. When FLO tells us that their new FLO 60 Carbon Clincher is 22.20% faster than their previous model, you shut up and ask whom to make the check out to."