Welcome to Xiamen Ornanbike Composite Technology Co., Ltd.

27.5 Carbon Rims Best Carbon XC/Trail/AM/DH Series

Hand-built carbon fiber mountain bike 650B XC, Trail, All Mountain, Down Hill wheels can provide instant acceleration and liveliness through the corners. 27/30/37/40mm width options

  • Payment:

    Paypal, Bank Transfer
  • Product Origin:

    China
  • Color:

    UD/3K/3K Twill/12K/12K Twill (Customized Decal Acceptable)
  • Brake:

    Disc Brake
  • Hole Count:

    28H / 32H /36H
  • Product Detail

We use a one-piece layup design to increase fiber continuity and reduce the number of overlapping seams increases the impact strength and helps distribute energy and shock from impacts to the rim. for better dynamic balance.


650B carbon rims with an internal width of 22/25/31/34mm can accommodate larger tires (1.9" ~ 3.1"), there by providing higher comfort, compliance, and turning performance.


Orn837-24 model, We created a 31mm inner width to pair nicely with modern all-mountain tires ranging from 2.3 ~ 2.6 inches in width. The 31mm inner width assures tires puttheir entire width to the ground and don’t fold over as easily in corners.


Orn830-22-XC model carbon 650B rims with asymmetric design.

Asymmetric design helps to equalize the spoke tension between drive side and non-drive side, which makes carbon 650B XC rim stiffer and stabler.


Best carbon MTB 650B rims series are optional in 27/30/37/40mm widths to meet different usage of XC, Trail, All Mountain, Downhill.





ORN800 CARBON RIM 650B

FEATURES:


- Higher impact resistance

- Reduced chance of pinch flatting

- More traction in rough corners

- Smoother ride in rocky terrain

- Ability to run lower tire pressure

- Reduced rider fatigue

- Asymmetric rim profile design

- Compatible for 1.9"-3.1" tire (tubeless ready)

- 27/30/37/40mm width options

- 2 years' quality warranty






SPECIFICATIONS


Model
Orn827-25-XC
Orn837-24-XC
Orn837-24-TR
Orn837-24-AM
Orn837-24-DH
Orn830-22-XC
Orn840-30-AM
Cross Section




Sectional Drawing




Offset

2.6mm ASY
Material T800 & T1000 T800
T700 & T800 T700 & T800
T700 & T800
T800 & T1000
T700 & T800
Use Cross Country Cross Country Trail All Mountain Down hill
Cross Country All Mountain
Type
Hookless
Hookless
Hookless
Hookless
Hookless
Hookless Hookless
Tubeless
Ready
Ready
Ready
Ready
Ready
Ready Ready
Internal/External Width
22mm/27mm
31mm/37mm
31mm/37mm
31mm/37mm
31mm/37mm
25mm/30mm 34mm/40mm
Depth
25mm 24mm 24mm
24mm
24mm
22mm 30mm
ERD
557mm 559mm 559mm
559mm
559mm
563mm 547mm
Weight
265+/-15g 350+/-15g 380+/-20g
410+/-20g
520+/-20g
295+/-15g 420+/-20g
Weight Limit
100kg 130kg 135kg
135kg 140kg
100kg 135kg
Spoke Tension
≤130kgf ≤130kgf ≤145kgf
≤145kgf
≤145kgf
≤130kgf 145kgf

Max Tire Pressure

40psi/2.75bar
40psi/2.75bar
40psi/2.75bar
40psi/2.75bar
40psi/2.75bar
40psi/2.75bar 40psi/2.75bar
Tire Recommended
1.9" ~ 2.3" 2.1" ~ 3.1"
2.1" ~ 3.1”
2.1" ~ 3.1”
2.1" ~ 3.1”
2.1" ~ 2.4” 2.3" ~ 3.1"



TECHNOLOGY


1. Advantages of Hookless Sidewalls

The bead of the hookless rim is straighter and smoother, and the tire can fully contact the rim wall. Compared with traditional hook rims, it is more durable and impact resistant. Provide more support during sharp turns.


2. One-Piece Layup Technology

We use a one-piece layup design to increase fiber continuity and reduce the number of overlapping seams increases the impact strength and helps distribute energy and shock from impacts to the rim. for better dynamic balance.


3. Ultra Smooth Inner Wall

Use specific, thinner, high-pressure air bladders to control the inner wall smoothness, The result is that we could see a very clean and smooth inner wall, which means the carbon fabrics are stretched smoothly and optimized. This could ensure the best strength of the fabrics.


4. Burp Free Technology  

When the tire is mounted, the raised portion reinforces the tire bead, making it harder to burp into the center channel.


5. Asymmetric Rim Profile Design

This design noticeably equalizes spoke tensions between drive and non-drive sides, This would create a stronger and stiffer wheelset, and with fewer fatigue issues.


6. CNC Angle Drilling Technology

High-speed CNC machine tools drill carbon fiber rim spoke holes. Customized according to the geometric angle of the hub. which allows the nipple to pull straight in line with the spoke for reduced stress. this results in fewer broken spokes and nipples.



MANUFACTURING PROCESS:


Our carbon fiber rims are formed in one piece, and each rim is made of long carbon fiber without wrinkles, to make the strength of the rim is the strongest. Every component, including the rim serial number, airbag, and carbon fiber prepreg, is collected, inspected, and weighed to confirm that everything has been taken into account.

Read more about carbon rim manufacturing process: link here


100% QUALITY INSPECTION:


In the production process of each carbon fiber rim product, Ornanbike strictly conducts 100% quality inspection and records it in the database. Each carbon fiber rim has a unique ID number, which allows us to provide the highest quality products and track each rim To ensure the best after-sales service.

Read more about carbon rim quality control: link here


WARRANTY POLICY:


Coverage: 2-year warranty from the date of purchase.


Conditions:

1. The Standard Warranty program is not transferable and only applies to the initial purchaser. Valid proof of purchase, pictures of the defect, video, and the product serial number is required for a warranty claim.


2. If any manufacturing defect occurs within 90 days of the date of being received, Ornan Bike is obligated to replace the carbon rim and pay for the shipping cost. If any manufacturing defect occurs after 91 days and up to 2 years, Ornan Bike is obligated to replace the carbon rim, and the customer is responsible for the shipping costs.


3. Any problem found on the warranty replacement product should be claimed within 7 days after the replacement is received, otherwise, the replacement is viewed as settled. The warranty period applies to the original purchase date and does not reset with a replacement rim.


Warranty coverage does not cover:

1. Normal wear and tear (spokes, nipples, rim tape, decals, stickers, etc).


2. Improper assembly or maintenance, including maintenance by an unauthorized technician.


3. Damage or failures caused by a crash, accidental damage, misuse of the product, non-compliance with manufacturer specifications of usage, or any other fractious reasons.


CLAIMS FOR DAMAGE OR LOSS OF SHIPMENT:


Please thoroughly inspect the package before signing.


1. If there is no damage, sign for the product. If there is damage, report this on the delivery slip or, alternatively, refuse the shipment and it will be returned to Ornan Bike. If a claim is made against the shipping company, they will provide a compensation number. Please inform Ornan Bike of this number for delivery tracking. Arrangements for reshipment will be made within 10~15 business days upon receiving the returned item.


2. If the items are damaged but accepted and not reported, there is no recourse against the delivery company and you are responsible for purchasing any replacement product.


3. If the package is in good condition, but the product is significantly damaged in transit, please keep the waybill, packaging and the shipment gets lost in transit, please get in touch with us (info@ornanbike.com) immediately and all Ornan Bike packages have been covered by insurance.


ORN800 CARBON RIM 650B VIDEO



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