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Build Your Falcon Pro RIM WR40 disc

All wheels are 100% customizable at Light Bicycle. If your preferred specs are not listed, feel free to contact us (sales@lightbicycle.com) with your special requirements described.


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RIM SPECS

  • Rim Model WR40 disc

    X-Flow Aero Profile>>

  • Material Toray T700 & T800 Premium Carbon Fiber
  • Size 29”/700C (ETRTO 622mm)
  • Series FALCON PRO
  • Intended Use CX/Gravel
  • Bead Type Clincher
  • Tubeless Capable Yes
  • Inner/Outer Width 25mm/32mm
  • Depth 40mm
  • ERD 560mm (not including nipple head dimension)
  • Rim Weight Standard 440+/-15g, Flyweight 400+/-15g
  • Profile Symmetric (0mm)
  • Max Cyclist Weight (on flat ground) Standard 135kg/ 298lbs, Flyweight 90kg/ 198lbs
  • Spoke Hole Angle ±8°
  • Spoke Tension 120~135kgf front disc side and rear drive side
  • Max Tire Pressure (with 28C) Hook: 80psi/ 5.52bar, Hookless: 65psi/ 4.48 bar
  • Recommended Tire Width 28C~50C

Read more for actual road tire width

TECH

The latest advancement of our new X-Flow profile offers significant performance benefits.

The design reduces aero drag, is more laterally stiff, and has 30% greater impact resistance.

Whether you find yourself racing across the Midwest or month long backpacking trip, the WR40 disc might just be the perfect match.

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Learn More >>

WARRANTY

For Non-Pro Series Rims: From the date of purchase, 3-year Standard Warranty.

For Pro Series Rims: From the date of purchase, 5-year Pro Warranty as standard and an upgraded optional lifetime Premium Warranty with minimum charge.

Crash Replacement: It is applicable with the same period as the warranty time range that you purchased for the rims with 10% /25% discount for Non-Pro series /Pro series.

Learn More >>

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WHAT IS IN THE BOX

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Package_light-bicycle-user-manual.jpg
Package_tubeless-valve-stems.jpg
Package_carbon-rim-tapes.jpg
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Package_light-bicycle-user-manual.jpg
Package_tubeless-valve-stems.jpg
Package_carbon-rim-tapes.jpg

The latest advancement of our new X-Flow profile offers significant performance benefits.

The design reduces aero drag, is more laterally stiff, and has 30% greater impact resistance.

Whether you find yourself racing across the Midwest or month long backpacking trip, the WR40 disc might just be the perfect match.

Light Bicycle : Rims: WR40 Disc Flyweight Hookless UD Paintless 24H With Drain Holes No Access Holes Hubs: Tactic Racing TR01 Black 12/100mm 12/142mm straight pull Center lock 24H Abec 7 Ceramic Bearing 45 teeth Shimano Road 11S Spokes: Sapim CX Ray Black straight pull Nipples: Sapim Brass Black External
1
Light Bicycle : Rims: WR40 Disc Flyweight Hook UD Paintless No Drain Holes No Access Holes Hubs: Bitex BX312 Oil Slick 12/100mm 12/142mm straight pull Center lock 24H 27T Shimano Road 11S Spokes: Pillar Aero X-TRA 1420 Nipples: Sapim Aluminium Black
1
Light Bicycle : Rims: WR40 disc Standard Hook UD glossy crystal paint (Green) 24H No Drain Holes With Access Holes Hubs: Onyx Vesper Anodized-Purple 12 / 100mm 12 / 142mm J-bend Center lock 24H Sprag Clutch Sram XDR Alloy Spokes: Light Bicycle oil slick J-bend Nipples: LB design brass oil slick
1
韩 : WR40 disc + Chris King R45D hubs
China
1
Chris : This is my second set of wheels from Light Bicycle. In both cases Light Bicycle was easy to work with, provided excellent advice and provided an outstanding product. I love the look, quality and ride of their wheels, and they are a pleasure to do business with. BTW, I think you would be hard pressed to find a better value for money spent on wheels.
China
2
David : I have 2 pairs of Ar25 and Wr40 wheels, I have liked them a lot, they are super light and robust.
United States
1
Josh : The WR40 wheels have been fantastic for long gravel adventures and races. They look and feel great.
United States
2
Light Bicycle : Rims: WR40 Disc Hookless UD Paintless 24/24H With Drain Holes No Access Holes Hubs: DT SWISS 240 EXP 12/100mm 12/142mm Straightpull Centerlock 24/24H EXP 54 Campagnolo N3W Spokes: Sapim D-Light Black Straightpull Nipples: Sapim Aluminium External
3

View More Reviews >>

COMMENTS

S

Sam 2023/07/13

Hi there, Is the Falcon Pro WR40 available with carbon spokes at all? Many thanks, Sam


LightBicycle 2023/07/14

Hi Sam, Thanks for reaching out! Yes, the WR40 rims are available with carbon spokes. May I know which hubs you want to build with the wheelset? Then I could make the recommendation accordingly. Best regards, Light Bicycle


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E

Eli 2023/04/06

Hello! Coud you please explain the benefits and applications of each of the different weave patterns? Weave: UD, 3K, 3K Twill (Vertical/Horizontal), 12K, 12K Twill (Vertical/Horizontal), Braided UD, Hexa-Comb Also could you please do the same for the different weight styles? Weight Style: Standard, Flyweight, Ultra-Light, Heavy Duty, HD+ I have a friend who weighs less than 150 pounds or ~68kg and cracked a pair of flyweight rims. I weigh 175 pounds or ~80kg and am concerned about the durability and reliability of these rims. What would you recommend for a gravel specific application?


LightBicycle 2023/04/06

Hi Eli, Thanks for reaching out! Weave options are mostly cosmetic options. The internal fibers are all UD fibers because they are the strongest fiber among them. I would recommend UD fibers as they look very neat and slightly lighter and stronger. About weight customization options. our recommendation for flyweight rims normally lies in the 90kg (on flat) limit. But riding conditions and style should also be accounted for. Assuming you are talking about WR40 rims. If you ride on rough gravel, flyweight rims are only recommended for the front wheel. Also, what's the tire and tire pressure your friend uses? What was the scenario when the crack occurred? So, if you are considering building a gravel wheelset. Can you share more about your riding style, conditions, and tire setup? Thanks, Lightbicycle


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P

Paulin 2023/03/31

Hello, i am currently considering buying a pair of Falcon pro WR40 rims. Assuming I go with the hooked version, without access hole, would I need to tape the rims in order to have tubeless road tires to seat properly, or can I use them without tape? I am considering using them with Michelin Power Cup in 700x30 mm, tubeless, if that matters.


LightBicycle 2023/03/31

Hi Paulin, If you order WR40 rims without access holes on rim bed, you will not need to use rim tape any more.It is okay to use 30mm tubeless tires on WR40 pro rims 700C disc. Please let me know if you have any other questions. Thanks, Lightbicycle


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S

Simon 2023/02/23

Hi, I have a pair of WR40 (hookless, paintless, UD, laser engraved logo) custom built with 28L / DT 240 / Aerolite from my local wheel builder. The wheels look great, very stiff, perfect for tubeless gravel riding.m Highly recommended! Recently another cyclist ran into me, his front tire was rubbing on my fancy rims :(. The rim is undamaged, wheel barely out of true. There are some strips where the surface is now matte instead of glossy. It’s a purely cosmetic issue, the marks can be seen depending on the viewing angle, but cannot be felt with the fingertip. Do you have some advice how to polish the rim to restore the glossy look? PS: The surface/finish your rim is very sturdy, given the tire grinding with road dirt in between not even causing a groove.


LightBicycle 2023/02/24

Hi Simon, I am glad that you are ok. Can you take a photo of the searches so I have a better idea about it? Thanks, Lightbicycle


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D

Donald 2022/03/10

Hi, if necessary can an inner tube be used on a hookless rim after a puncture that doesn't seal? Just trying to decide between hookless & hooked. Thanks!


LightBicycle 2022/03/10

Hi Donald, If you ride tires with tube, it is better to choose hook version. How much tire pressure will you ride on this WR40 disc rims 700C? Thanks, Lightbicycle


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R

Richard 2021/08/05

Hello, what tool do you use to get nipples inside of the rim without drilling from inside? Do you maybe have a video how to do it? I have WR40 disc here. Thank you Richard


LightBicycle 2021/08/06

Hi Richard, Yes, we have a video for UST-style wheel WR40 road disc building. You can find the QR code of the video in the "user manual" since you already have the rim. Or you can see details from this article. https://www.lightbicycle.com/newsletter/TUBELESS-READY-OR-TUBELESS-RIMS--WHAT-S-BEST-FOR-ME.html Thanks, Lightbicycle


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Get in touch

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