AR28 Disc Carbon Gravel Rim

Comments on Falcon RIM AR28 disc

29er disc bike rims 29mm wide 28mm deep clincher for cyclocross and gravel bikes

Jordan 2025/02/26

Hello, Do the AR28 disc rims have any special nipple requirements? I am going to build a set up and I want to use standard 12mm 14 gauge DT Swiss nipples without washers, if that is recommended.

LightBicycle 2025/02/28

Hi Jordan, We do not recommend using 12mm external nipples, as the nipples wrench may rub against the rim wall (rim ridge) during wheel assembly. Sapim 14mm and 16mm nipples are what we usually use for wheel building. Thanks, Lightbicycle

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Dirk 2024/04/25

Thank you very much, but what is the technical pressure limit for 40c and 45c tires on the AR28 rim? The table reports the technical limit only for 25c tires (110 psi), the other values are recommendations that however depend on the situation - and mine is different. The technical limit should be lower for larger tires, but how much? Will up to 4.1 bar for 45c tires be safe for longer periods of time on gravel roads (32 spokes, no spoke holes) or will it damage the AR28 rim in the long run? Thank you very much for your reply! Best wishes, Dirk

LightBicycle 2024/04/30

Hi Sir, Thanks for your inquiry! If you use 45C tires, it is better to ride less than 50PSI, around 40psi on AR28 rims. Thanks, Lightbicycle

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Andy 2021/01/09

Hi there, is it possible to order rims with no logos?

LightBicycle 2021/01/09

Hi Andy, It is okay to order AR28 rims road disc without logo. You can leave a message on the order that "no logo on rims". Then we can see it and will double check with you through email after receiving your order. Thanks, Lightbicycle

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Neil 2020/07/29

Regarding the FALCON rim AR28 disc Gravel- I tried to build this into a set but could not select DT240s and the discount code did not work. It also would not let me select 28 holes for the front. What I need is 28x28 with DT240s (if discount code works) or DT350s if code does not work.

LightBicycle 2020/07/30

Hi Neil, We have new 240 exp hubs in front 24H/rear 24H or front 24H/rear 28H options. For old 240S hubs, we have front 24H/rear 24H and front 28H/rear 28H. Which do you prefer for AR28 disc wheelset? Thanks, Lightbicycle

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Daniel 2020/01/23

I would like a rim the width and height like the "29er disc bike rims 29mm wide 28mm deep clincher for cyclocross and gravel bikes" But for use with 700c tires.

LightBicycle 2020/01/23

Hi Daniel, Thanks for your reaching out!For RG922, it is the same size as 700C. This rim is actually 700C size. You can mount 700C 23C~50C tires on these RG922 gravel bike rims/wheels. Don't worry. Thanks, Lightbicycle

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Paul 2019/10/21

Are these rims compliant with the ISO 5775 tubeless standard?

LightBicycle 2019/10/22

Hi Paul, Thanks for your inquiry. For our RG922 700C gravel rim, yes, it is in the ISO 5775 standard. It is okay to fit 700C*28C~ 700C* 45C tubeless tires. Don't worry about it. We have sold this model bike rims for more than 2 years. There are no tire fitting problem at all. Thanks, Lightbicycle

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Jason 2019/10/06

Hi, What is the sidewall height for the GR922 rims? Specifically I am asking about the G Height of the rim as per ETRTO standards see: https://www.google.com/amp/s/janheine.wordpress.com/2019/04/10/safety-advice-non-standard-rims-and-rene-herse-tires/amp/

LightBicycle 2019/10/18

Hi Jason, For RG922 gravel bike rim, the side wall height(G height) is 5.5mm. It is for tubeless. Please let us know if there is any other questions. If you add rim tape on rim bed, it G height will be around 5.2mm for tubeless. Thanks, Lightbicycle

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Rod 2018/11/17

Is there a hookless option for this rim?

LightBicycle 2018/11/29

Hi Rod, The gravel rim you are looking at RG922 (29mm wide, 28mm deep) only provide the hook version for now. If you are looking for a close profile rim, you can look at our RM29C06 (27mm wide, 24mm deep) or the newly launched scratch proof rim XC925 (30mm wide, 23mm deep). You can check out the rim profiles from the attachment. Details are as follows pages. Let me know if you have any questions or want quotes for a wheelset. RM29C06: https://www.lightbicycle.com/bead-hook-less-rims-carbon-29er-light-bike-rim-tubeless-compatible.html XC925: https://www.lightbicycle.com/Hand-built-XC925-asymmetric-rim-profile-carbon-fiber-mtb-29er-wheels.html Thanks, Lightbicycle

Todd 2019/10/10

Are you offering this in hookless yet?

LightBicycle 2019/10/11

Hi Todd, We can customize the hookless version of RG922 (29mm wide, 28mm deep) gravel wheels for you if you like. It's not available online. I can create the invoice for you, we won't charge extra for this customization. Thanks, Lightbicycle

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Henry 2019/02/11

Hello. I'm am interested in the RG922 29er Rim in 32H. I weigh exactly 275 pounds (125 kilos). Is there another rim you recommend, or is this one OK? Do you offer the RG922 32H in a version for a heavier rider/bike? Thank you!

LightBicycle 2019/02/14

Hi Henry, What kind of riding you usually do? What tire width you plan to use? Normally, road riding won't be too aggressive, so your weight is ok for RG922 gravel rim. With 32 spokes, the wheelset you built would be very strong for big rider. Thanks, Lightbicycle

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Collin 2018/11/06

What valve stem length should I use for the RG922? 32mm? 48mm? 60mm?

LightBicycle 2018/11/09

Hi Collin, We recommend 44mm length valve stem for RG922 gravel rim (28mm depth). You can see more details about valve stem choice at https://www.lightbicycle.com/bicycle-tubeless-rim-valve-stem.html to see our recommendation for valve stem length in case you want other rims. Thanks, Lightbicycle

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Collin 2018/11/06

Is the valve hole for Schrader valve or Presta?

LightBicycle 2018/11/07

Dear Collin Our bike rims are drilled for Presta valve by default. If you like Schrader size, you can leave a message on the order. Thanks, Lightbicycle

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otavio 2018/07/13

I'd like to replace my roval control sl (2016) rim, 24h that cracked and is out of warranty. Is there any similar rim profile/weight that you offer? thank you

LightBicycle 2018/07/14

Hi Otavio, May i know your tire width, your weight, tire pressure and riding style please? Then we can check which 29er mtb bike rim is better to replace your Roval control SL 24H rim. Thanks, Lightbicycle

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Craig 2018/06/11

Hi, I would like a quote for: RG922, 28H, 15X100/12X142,Hope Pro 4, Sapim CX Ray, Aluminum Black nipple, UD Gloss, White decal, Stem, and Tape. Shipped to US Zip 99338

LightBicycle 2018/06/12

Hi Craig, Quotation for gravel wheelset is as below. Wheelset WRG922 is USD1013.65/pair with 5% discount for below specs --Rims: RG922, 29mm wide, 28mm deep, UD, glossy, 28H, hook --Hubs: black Hope Pro 4, front 15*100mm/rear 12*142mm, Shimano MTB 10/11s, 6-bolt, J-bend --Spokes: black Sapim CX-Ray, J-bend --Nipples: black alloy Thanks, Lightbicycle

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John 2018/05/22

I just placed an order and wanted to make sure it went through. PayPal said it went through but did not take me back to order page.

LightBicycle 2018/05/22

Hi John, We have received your order and payment. And the order is already been handled. I think you have got the email from our sales about your order information confirmation. Right？ Thanks, Lightbicycle

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Mik 2018/02/16

Can you build these wheels with White Industries CLD hubs?

LightBicycle 2018/02/17

Hi Mik, It is okay to build RG922 wheelset with Industry Nine center lock disc hubs. What hub axle size do you like for hubs? front 15*100mm/rear 12*142mm? shimano road 11s? Then we can quote accordingly for you. Thanks, Lightbicycle

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