Flo 45 Carbon rim on a dynamo, disc-brake hub

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Flo 45 Carbon rim on a dynamo, disc-brake hub

Postby Ride Far » March 23rd, 2017, 2:50 pm

Here's a wheel that I recently built for someone who will be doing the self-supported Transcontinental Race this summer across Europe. It's a Flo 45 carbon rim on a SON dynamo, thru-axle disc-brake hub, plus a picture of it mounted on his orange Mason.

My Ride Far website gives advice to people who are preparing for this style of bikepacking race and includes a page about wheels. As far as I'm aware, there basically aren't many other rims available that offer everything that the Flo rims do: aero-tested, available in a range of hole drillings, reasonable prices, etc. Keep up the great work!

I use rim brakes myself and have done the previous three Transcontinental Races on Flo 30 rims, as shown in the third picture, which shows a 28-hole Flo 30 rim on a rear DT Swiss hub and a 24-hole Flo 30 on a SP dynamo front hub on my Ridley Fenix SL during the 2016 TCR in central France.

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Re: Flo 45 Carbon rim on a dynamo, disc-brake hub

Postby Chris Thornham » March 24th, 2017, 10:53 am

Ride Far wrote:Here's a wheel that I recently built for someone who will be doing the self-supported Transcontinental Race this summer across Europe. It's a Flo 45 carbon rim on a SON dynamo, thru-axle disc-brake hub, plus a picture of it mounted on his orange Mason.

My Ride Far website gives advice to people who are preparing for this style of bikepacking race and includes a page about wheels. As far as I'm aware, there basically aren't many other rims available that offer everything that the Flo rims do: aero-tested, available in a range of hole drillings, reasonable prices, etc. Keep up the great work!

I use rim brakes myself and have done the previous three Transcontinental Races on Flo 30 rims, as shown in the third picture, which shows a 28-hole Flo 30 rim on a rear DT Swiss hub and a 24-hole Flo 30 on a SP dynamo front hub on my Ridley Fenix SL during the 2016 TCR in central France.

Image
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Wow! That is awesome. Thank you for sharing your images and all of the information about the transcontinental rides. Best of luck to your friend on the big ride!
Chris Thornham
FLO Cycling: http://www.flocycling.com
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Re: Flo 45 Carbon rim on a dynamo, disc-brake hub

Postby AlathIN » March 25th, 2017, 11:21 am

Wow, nice work. You have built very close to my dream wheels.

I love the ride I get from my Flo 60-90 clincher wheel set with 25mm tires on my tri bike and I am eagerly awaiting the new Flo disc rims to equip my commuter/tourer. I run 32-37mm tires on my commuter/tourer so I'm wondering/hoping the Flo disc rims might be a bit wider.

Nice web site and appreciate your info about wheel building for this type of use. Those SP dyno hubs look like a great value and likely to wind up on my bike before long.

I think you're right on about aero rims for distance riding. How often I've been riding into a mean head wind and wishing I could borrow some aero from my tri bike.
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Re: Flo 45 Carbon rim on a dynamo, disc-brake hub

Postby Ride Far » March 26th, 2017, 5:53 am

AlathIN wrote:Nice web site and appreciate your info about wheel building for this type of use. Those SP dyno hubs look like a great value and likely to wind up on my bike before long.


Be warned that the SP thru-axle hubs often develop bearing problems very quickly. All of their quick-release hubs are very good. If you have thru-axles then SON is your only reliable choice for a dynamo hub, but is very expensive.

I expect that if you're running 32-37 mm tires, the shape of the rim probably won't have a huge effect on aerodynamics, but I'd love to hear what the Flo boys know about this.
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Re: Flo 45 Carbon rim on a dynamo, disc-brake hub

Postby AlathIN » March 26th, 2017, 6:58 am

Ride Far wrote:
AlathIN wrote:Nice web site and appreciate your info about wheel building for this type of use. Those SP dyno hubs look like a great value and likely to wind up on my bike before long.


Be warned that the SP thru-axle hubs often develop bearing problems very quickly. All of their quick-release hubs are very good. If you have thru-axles then SON is your only reliable choice for a dynamo hub, but is very expensive.

I expect that if you're running 32-37 mm tires, the shape of the rim probably won't have a huge effect on aerodynamics, but I'd love to hear what the Flo boys know about this.


Yes, quick release.

More thinking about tire performance with the rim width. I found 25mm conti gp4ks totally different tires on wide rims vs narrow rims.
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Re: Flo 45 Carbon rim on a dynamo, disc-brake hub

Postby Chris Thornham » March 27th, 2017, 12:45 pm

Ride Far wrote:
AlathIN wrote:Nice web site and appreciate your info about wheel building for this type of use. Those SP dyno hubs look like a great value and likely to wind up on my bike before long.


Be warned that the SP thru-axle hubs often develop bearing problems very quickly. All of their quick-release hubs are very good. If you have thru-axles then SON is your only reliable choice for a dynamo hub, but is very expensive.

I expect that if you're running 32-37 mm tires, the shape of the rim probably won't have a huge effect on aerodynamics, but I'd love to hear what the Flo boys know about this.


To be 100% honest, without testing that specific set up in the wind tunnel it's impossible to say. We never even considered that tire size for testing since it would likely not fit on almost any road or tri bike on the market without interference.

I hope that makes sense,
Chris Thornham
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