Carbon beadless 46mm wide bicycle 650b rim for 27.5 plus bikes tubeless compatible

BUYING OPTIONS

Global warehouse ship to most countries while the North America warehouse only ship to the United States and Canada

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  • 1

    RIM

  • 2

    ACCESSORIES

  • 3

    OVERVIEW

RIM

Version This is a required option.

AM - This model is mid-weight and suitable for all mountain and trail riding. Can be used for light-duty enduro.
EN - This version has additional reinforcement and is suitable for more aggressive riders. It's the best choice for Enduro style riding.

AM740

EN740 USD +5

Hole This is a required option.

Please note that our valves are drilled for presta and spoke holes are made for external nipples only. If you have a custom drilling requirements please e-mail us and we'll send you a purchasing link.

16H

18H

20H

24H

28H

32H

36H

Finish This is a required option.

Matte is slightly lighter and a more subtle finish (most popular). Glossy has a shine to it.

glossy

matte

Weave This is a required option.

The layup schedule is predetermined for each model, but you can choose the outer layer.
3k/12k/UD are the 3 choices for cosmetic appearance.The rim strength & weight is virtually identical.
UD Matte is the most popular and has a subtle look.
3k weave has a more traditional carbon fiber look.
More info about Weave >>

12K

3K

UD

Decal This is a required option.


The new graphics are included and available in 7 colors. The decals are now easily replaceable so you can keep your rims looking fresh.

Stealth

Blue

Green

Magenta

Orange

Red

Yellow

Valve Stem This is a required option.

We include enough valves to cover your individual rim purchase. We use a lightweight black alloy anodized valve with an oversized concave collar for easy gripping. A rubber o-ring goes in between the rim and the collar to help seal the rim and match the contour of the rim profile. The vavle core is removeable so you can add sealant withoutn removing your tire.
Link to tubeless valve instructions

None

Add Valve Stem USD +7 each

Tubeless Tape This is a required option.

One 10 yard roll of tape will be included. It is typically covers 2 rims with two laps each or 4 rims with one lap each.The high tensile tubeless tape features a natural rubber adhesive that does not leave a residue on the rims. On mountain bike rims, one layer of 18mm width tape is strong enough to seal the access holes which makes for the lightest tubeless setup.
Instructions of tubeless rim tape

None

Add Tubeless Tape USD +6 each

plus 650b rims

In Stock, typically ships within 2 business days

In Stock, typically ships within 2 business days

Non-Stocked, typically ships within 1-2 weeks Go to rim inventory page

Non-Stocked, typically ships within 1-2 weeks Go to rim inventory page

Recon Pro orders start shipping in October.

- + PCS

Version This is a required option.

AM - This model is mid-weight and suitable for all mountain and trail riding. Can be used for light-duty enduro.
EN - This version has additional reinforcement and is suitable for more aggressive riders. It's the best choice for Enduro style riding.

AM740

EN740 USD +5

Hole This is a required option.

ROAD Product
Road rim brake: Stocked in 20h and 24h
Road disc: Stocked in 24h and 28h

MTB Product
MTB rims: Stocked in 32h. Only XC Flyweight rims are stocked in 28h as well as 32h
Please note that our valves are drilled for presta and spoke holes are made for external nipples only. If you have a custom drilling requirements please contact us.

32H

Finish This is a required option.

matte

Weave This is a required option.

UD

Decal This is a required option.


The new graphics are included and available in 7 colors. The decals are now easily replaceable so you can keep your rims looking fresh.

Stealth

Blue

Green

Magenta

Orange

Red

Yellow

Valve Stem This is a required option.

We include enough valves to cover your individual rim purchase. We use a lightweight black alloy anodized valve with an oversized concave collar for easy gripping. A rubber o-ring goes in between the rim and the collar to help seal the rim and match the contour of the rim profile. The vavle core is removeable so you can add sealant withoutn removing your tire.
Link to tubeless valve instructions

None

Add Valve Stem USD +7 each

Tubeless Tape This is a required option.

We use a tubeless tape with high tensile strength and only one lap is required so it is very light. It uses a natural rubber adhesive that does not leave any residue on the rims.

None

Add Tubeless Tape USD +8 each

plus 650b rims

In Stock, typically ships within 2 business days

In Stock, typically ships within 2 business days

Non-Stocked, typically ships within 1-2 weeks Go to rim inventory page

Non-Stocked, typically ships within 1-2 weeks Go to rim inventory page

Recon Pro orders start shipping in October.

- + PCS

Weight: 480.00g+/-15

Final total: USD 164.00+

Weight: 480.00g+/-15

Final total: USD 184.00+

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RIM SPECS

  • Size 650B
  • Use All Mountain/Plus
  • Type Hookless
  • Tubeless Ready
  • Inner/Outer Width 40mm/46mm
  • Depth 28mm
  • ERD 545mm (not including nipple head dimension)
  • Weight AM 480+/-15g, EN 530+/-15g
  • Offset 2mm (asymmetric)
  • Weight Limit 135kg
  • Spoke Hole Angle ±8°
  • Spoke Tension ≤145kgf recommended
  • Tyre Pressure ≤35psi recommended
  • Tire 2.8" ~ 3.1" recommended

Teleport to the wheelset building page.

As more bikes become compatible with massive 2.8-3.2” tires, AM740’s are the opportunity to upgrade your ride into a plus bike, while still experiencing the incredible traction and stiffness only a lightweight carbon rim provides.


Not only are carbon plus rims dramatically lighter than alloy, they are stronger as well. Running your alloy rims at low pressure usually means plenty of dents and a sluggish ride. Fortunately, AM740 solves both these problems with an incredibly durable and stiff profile, unleashing a new level of performance from your plus bike.

Hookless: Carbon fiber flows continuously over the bead area to provide the best impact resistance and a significant strength increase compared to a clincher rim.


Manufacturing process: Our air bladders are made from a special material which produces smoother walls, result in a lighter rim, and are completely removed without harsh chemicals. They are removed through the valve hole with a unique process so that the rim does not have to be patched like traditional manufacturers use. This significantly improves the strength of the rims. Read More about our process


T700: Constructed with premium Toray T700 carbon fiber. The best strength to weight ratio with no expense spared.


Precise layup: Each rim carries its own layup schedule documents which are followed meticulously by the layup workers. Our Engineering team creates a unique fiber orientation which amplifies the desired riding characteristics for a given rim.


Angled Holes: Angled spoke holes allows the nipple to pull straight in line with the spoke for reduced stress. This results in fewer broken spokes and nipples.


Bead lock: The small ridges on either side of the drop channel help secure tubeless tires in place. The bead lock makes it easier to seal up tubeless tires with a floor pump, and they are incredibly hard to burp.


Asymmetrical: The profile allows for equalized spoke tension which creates a stronger wheel that stays true.


Tubeless: While the rims are optimized for a tubeless setup with the addition of tubeless tape, they also work with tubes.


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.

Know more about the warranty policy >>

Gallery

Jeff Lian : Thanks again for the two sets of decals for 29er wheels. I just put them on and now the wheels look perfectly matching the frame.
USA
1

COMMENTS

B

Bruce 2019/01/25

Can you tell me if it is possible to get the 650B AM740 rim with a 36 hole drilling pattern and how much it would cost. Thanks


LightBicycle 2019/01/25

Hi Bruce, Yes, We can make AM740 650B rim with 36 spoke holes, the price is USD164 each. Do you prefer to order the rims online or let me create the invoice for you? Thanks, Lightbicycle


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S

stuart 2019/01/13

Whats the difference between the AM740 and the EN740? I plan on building a plus wheelset for an aggressive all mountain hardtail and a rider weighing 200lbs. They will see some rocky terrain. Thanks.


LightBicycle 2019/01/14

Hi Stuart, The EN740 is the reinforced version of AM740, with some more carbon fiber material added. Considering your weight and riding style, I would recommend the EN740. You can also compare other MTB rims suing our online compare tool. https://www.lightbicycle.com/product-compare/Rim-strength-comparison-on-650B.html. Thanks, Lightbicycle


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A

Anders 2018/10/24

Im interested in these rims. I have Onyx hubs. If i spec out with one could i bye the spokes and nipples form you in the right length? Best regards. Anders


LightBicycle 2018/10/25

Hi Anders, Yes, you can get the spokes and nipples along with the 650B rims from us. I will create the invoice to you when you are ready to order since it's not available online currently. Do you have the spoke length calculated yet? Or do you need us to do the calculation? If so, would you kindly provide the dimensions of the hubs or the model? How many spokes are you planning on using? What would be the lacing pattern? Thanks, Lightbicycle


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B

Bret 2018/01/28

I am looking to build a mixed wheel set 29" front and 27.5 rear. How do I order one of each.


LightBicycle 2018/01/29

Hi Bret, Yes, it is okay to order front 29er /rear 650B. You can simply send your order by mail to us, and we'll create an invoice to you accordingly. Thanks, Lightbicycle


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S

Shane 2017/11/05

I am wanting these in the EN MODEL I am riding a Yeti SB5+ and ride mostly technical rocky trails. I am also 210lbs. 225 riding weight. Looking to put these on Industry 9 torch straight pull hubs. Will it work? The straight pull hubs use aluminum spikes for add stiffness.


LightBicycle 2017/11/06

Hi Shane, Our EN740 rim is strong enough for your weight. It's will work will with your i9 hubs. But you need get I9 special straight pull spokes to match the hubs. Thanks, Lightbicycle


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M

Mark 2017/10/05

I am looking to build a wheelset for my Mondraker E-Crafty E-bike. 160mm travel f+r, enduro/dh ready. I weigh 95kg. Would you recommend these rims, or something heavier duty?


LightBicycle 2017/10/08

Hi Mark, Sorry for the late reply. We were on National Day vacation from October 1st to 7th. We are just back to work today. We have built some carbon wheels with EN740 rims for E-bikes. These rims are strong enough for E-bike riding. EN740: EN version, 46mm outer/40mm inner, UD matte 32H 530g+/-15, USD289 each If you ride aggressively, we can add some more carbon fiber material also to make the rim weight around 50g added. Thanks, Lightbicycle


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R

Ricardo 2017/07/27

Hi, as these are assymetricals, is the ERD valid for both sides?


LightBicycle 2017/07/30

Hi Richardo, Sorry for the late reply. We were out for travel last two days. For AM740 rims, it is only with asymmetrical profile, 2.8mm offset. We do not have symmetrical profile for this rim. If you like to get the spoke length, you have to fill in 2.8mm offset in the spoke length caculator. If you are not sure about how to get correct spoke length, you can let us know your hubs specs. We can help you. Thanks, Lightbicycle


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R

Robin 2017/05/05

Hi - are these rims available in 29" size?


LightBicycle 2017/05/05

Hello Robin, Thanks for your continued support. Currently, only 50mm outer/ 45mm inner 29er plus symmetric rim is available, not 29er 46mm width rim. Does that work for you? Rim profile attached for your reference. It works with 2.8" ~ 3.1" tires. Thanks, Lightbicycle


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E

eric 2017/04/03

How much is shipping to California 93103?


LightBicycle 2017/04/05

Hello Eric, Thanks for your inquiry. The delivery cost is $50 for two rims to USA by EMS. Thanks, Lightbicycle


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T

Tom 2017/01/29

I trying to decide which rim to go with ---the AM740 or the EM740 I weigh between 175 and 180lbs depending on the season. My riding style is all mtb to endure What would you advise? Thx Tom Also why the Higher prices?


LightBicycle 2017/02/05

Hello Tom, Sorry for the late reply. We were on Chinese New Year vacation in the last 10 days and just get back to office today. According to your details, we’d like to recommend the AM740. It is strong enough for your riding. Our asymmetric line of rims is inventoried so we can ship quickly. Yes it is more expensive (inventory and our product improvements cost more), but it does offer a higher level of service. The crash replacement coverage is increased and time period is doubled. Thanks, Lightbicycle


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