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Build Your Falcon Pro WHEEL Precision-C21 Disc-Rear

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.


WHEELSET SPECS

RIMS

Our Pro series comes with a 5-year warranty (lifetime optional), while the non-pro with a 3-year warranty and crash replacement.

  • Model Precision C21 disc

    Introduction >>

  • Material Toray T700 & T800 Premium Carbon Fiber
  • Size 29”/700C
  • Series FALCON PRO
  • Intended Use Road/ TT
  • Bead Type Hook
  • Tubeless Capable Yes
  • Inner/Outer Width 21mm/27mm
  • Weight (hub excluded) 745+/-50g
  • Profile Symmetric (0mm)
  • Max Cyclist Weight (on flat ground) 150kg/ 331lbs
  • Max Tire Pressure (with 25C) 130psi/ 8.96bar
  • Recommended Tire Width 25C-38C

HUBS

We keep in stock the most popular axle sizes and colors of some well-liked hub models. If you want a special order, feel free to contact us (sales@lightbicycle.com).

  • Model DT SWISS 240 EXP
  • Rear Axle Size 12 / 142mm
  • Driver Body Shimano Road 11S

TECH

Featuring featherlight construction, a design focused on responsive handling, and exceptional aero prowess, the Precision C21™ is the perfect upgrade for your triathlon/TT bike.

The Precision carbon disc doesn't just ensure aerodynamic advantages; it also boasts exceptional radial and lateral stiffness. It provides quick and responsive acceleration with every pedal stroke with unified UD fiber direction in the primary carbon layers.

The C21 uses a sandwich-like construction of foam and carbon that lowers wheel weight to 950g (paintless). This means it’s ~200g lighter on average than many other tubeless disc wheels and even some tubular discs on the market. The piano black finish weighs 1000g.

To ensure your race experience remains uncompromised, we conduct rigorous dynamic speed balance testing in-house on every Precision C21™ disc wheel, simulating speeds of up to 60 km/h. This means you can trust that every wheel that arrives at your doorstep is ready to perform at the highest level.

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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Valve-cutout-sticker-precision.jpg
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Featuring featherlight construction, a design focused on responsive handling, and exceptional aero prowess, the Precision C21™ is the perfect upgrade for your triathlon/TT bike.

The Precision carbon disc doesn't just ensure aerodynamic advantages; it also boasts exceptional radial and lateral stiffness. It provides quick and responsive acceleration with every pedal stroke with unified UD fiber direction in the primary carbon layers.

The C21 uses a sandwich-like construction of foam and carbon that lowers wheel weight to 950g (paintless). This means it’s ~200g lighter on average than many other tubeless disc wheels and even some tubular discs on the market. The piano black finish weighs 1000g.

To ensure your race experience remains uncompromised, we conduct rigorous dynamic speed balance testing in-house on every Precision C21™ disc wheel, simulating speeds of up to 60 km/h. This means you can trust that every wheel that arrives at your doorstep is ready to perform at the highest level.

  • Overview

    Featuring featherlight construction, a design focused on responsive handling, and exceptional aero prowess, the Precision C21™ is the perfect upgrade for your triathlon/TT bike.

    The Precision carbon disc doesn't just ensure aerodynamic advantages; it also boasts exceptional radial and lateral stiffness. It provides quick and responsive acceleration with every pedal stroke with unified UD fiber direction in the primary carbon layers.

    The C21 uses a sandwich-like construction of foam and carbon that lowers wheel weight to 950g (paintless). This means it’s ~200g lighter on average than many other tubeless disc wheels and even some tubular discs on the market. The piano black finish weighs 1000g.

    To ensure your race experience remains uncompromised, we conduct rigorous dynamic speed balance testing in-house on every Precision C21™ disc wheel, simulating speeds of up to 60 km/h. This means you can trust that every wheel that arrives at your doorstep is ready to perform at the highest level.

  • Specs

  • Warranty

  • In The Box

Kevin : To the season but have raced twice on the disc. It performed as it should, and last weekend I not only won my age group on both races I did with this disc…but I had the FASTEST OVERALL bike split at the USA Triathlon Colorado Triathlon Championships Olympic Distance last weekend. I had the fastest split by over a minute, averaging 26.10 mph over the (slightly long distance) of 26.4 miles.
United States
1
Benjamin : just a short feedback from my side. My ordered TT Setup is fitted into my TT Bike. The R88 and precision C21d Wheel fits perfectly into the bike and is aesthetically pleasing ;) I attached some pics. I am impressed of the finishing quality. The installed vave with the flexible expander is nice and makes the handling easy. Handling of the cutout on the rearwheel is easier than on the R88 front cutout. I mounted 25mm Continental Gp5000 TT TR tyres tubeless without a problem. Air retention is not that good, but that is okay on my TT Setup. The performance is really good. The disc wheel is really well manufactured and really "true" regarding lateral and axial play. Well done! The wheels roll really good and feels fast. Stiffness of the rear disc is good! That is often a weak point of disc wheels! So if you hadn'T release the x22d range, that is on its way to me for testing I would be a totally happy customer ;)
Germany
1
Light Bicycle : Rim Construction: Precision-C21 Disc Brake Hook UD Paintless Presta Hub: DT SWISS 240 EXP 12/142mm Center lock EXP 36 Shimano Road 11S
2
Light Bicycle : Rimn: Precision C21 Disc UD Piano Black Coat Hub: DT Swiss 240 EXP 12/142mm Centerlock EXP 36 Shimano Road 11s
1
Light Bicycle : Wheel: Precision C21 Disc Paintless UD Carbon Hub: DT Swiss 240 EXP 12/142mm Centerlock EXP 36 Shimano Road 11s Decal: Silvery Shadow
1
Light Bicycle : Wheel: Precision-C21™ Paintless UD Hooked Disc 700c Hub: DT Swiss 240 EXP 12/142mm Centerlock Sram XDR Weight: 946g
1
Light Bicycle : Wheel: Precision C21™ Hook Paintless UD Presta Hub: DT Swiss 240 EXP 36T 12/142mm Centerlock Shimano Road 11s Weight: 954g
1

View More Reviews >>

COMMENTS

R

Richard 2024/08/22

Hi. Interested in the precision-C21 Disc wheel. Do or can you offer the campagnolo freehub option? Preferably the N3W type... Kind regards, Richard


LightBicycle 2024/08/24

Hi Richard, Yes, We can manufacture 700C full disc wheel precision with N3W free hub. We just sent the quotation to your email. Please check. Thanks, Lightbicycle


REPLY

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M

Moritz 2024/05/15

HEYYY I Really like your prodicts but sadly i ride a xs speedmax cfr wich stands on 650B wheels ...... nor im on the hunt for some great carbon wheels asspacally a proper disc wheels but i cant find anny .... would it be possible to buld some falcon pro discs in 650b ... that would be awsome for the speedmax world thank u and greetings from germany moritz


LightBicycle 2024/05/16

Hi Moritz, Are you looking for 650B full disc wheel? We do have a disc wheel 650B size as below. Is it what you like? Thanks, Lightbicycle


REPLY

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M

Martin 2024/02/21

Hi Do you do a rim brake version of the C21 TT Disc wheel? Or do you have plans to? Regards Martin Wilson (previous customer)


LightBicycle 2024/02/22

Hi Martin, The C21 TT wheel is not available in rim brake now. Yes, we will add a rim brake version in the future, but we haven't decided when yet. We have WRDSC02-25 TT wheel have rim brake version. Is it okay for you? We sent pictures through email for your check. Thanks, Lightbicycle


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J

Janne 2023/11/23

I would be interested to buy the Falcon Pro WHEEL Precision-C21 Disc, but its not offered with sram xdr hub. Is that true, i cannot buy this with XDR?


LightBicycle 2023/11/24

Hi Janne, We can make the Precision C21 full disc wheel 700C with XDR for you. But the chain would rub the disc surface when it's on the biggest cog So we recommend locking up the biggest gear since you won't need it during riding. If this is acceptable for you, I will send you the order. Thanks, Lightbicycle


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Get in touch

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