DUCASSE CD 40 CX Bottom Running Bypass System

To buy, choose from the options below.
Number of Doors: 2 4 Door Thickness: 5/8 in* 5/8 to 7/8 in* Track Length: 78 3/4 in* 9 ft 10 in* Track Type: Double Running Single Running Running Track Fixing: Recessed Surface Mount Select Options
Product number Number of Doors Door Thickness Track Length Track Type Running Track Fixing
WEBKIT1002531 2 5/8 in* 78 3/4 in* Single Running Recessed
WEBKIT1002533 2 5/8 in* 78 3/4 in* Single Running Surface Mount
WEBKIT1002532 2 5/8 to 7/8 in* 78 3/4 in* Double Running Surface Mount
WEBKIT1234779 4 5/8 in* 9 ft 10 in* Double Running Recessed
WEBKIT1234777 4 5/8 in* 9 ft 10 in* Single Running Surface Mount
WEBKIT1234778 4 5/8 to 7/8 in* 9 ft 10 in* Double Running Surface Mount


Three bottom track options for various panel thicknesses

The DUCASSE CD 40 CX bottom running bypass system is for wood doors 5/8 in to 1 3/8 in (16 mm to 35 mm) thick weighing up to 88 lb (40 kg) each.

- Hardware set for two wood doors
- Three bottom track options for surface mounting and recess mounting
- Bottom running wheels can be adjusted
- Available in bulk format, hardware and tracks sold separately for best yield on large projects
- Also available in a quick-pick kit format for two doors including a 78 in (2 m) track

The D52 is an ideal solution for wardrobes, armoires, closets, and retrofit installations with very little header support.


Door Material
Door Movement
Straight Sliding
Detailed Door Movement
Track Mounting
Floor Mount
Weight Capacity per Door
Max. 88.2 lb*
Door Width
23 5/8 to 48 in*
Door Height
96 in*
Roller Type
Premium Ball Bearing
Roller Position
Track Material
Anodized Aluminum
Track Finish
Satin Aluminum
Drilling Depth
7/16 in*
For Use with Aluminum Profile
Minimum Frame Size: 35 mm (1-3/8")
Door Installation
Bottom Running
Door Position
1 1/2 to 1 9/16 in*

Measures shown with an asterisk (*) have been converted as per your preference. These are not the official measures. To view the measures specified by the manufacturer, click here.


  • Sliding Solutions for Cabinet and Furniture Applications
  • Mounting Accessories



- Quick and simple to install with direct, surface mount tracks and hardware
- Can be retrofit into openings with very little header support
- Heavy-duty ball bearing bottom roller for long-lasting performance in high frequency use applications
- Upper stoppers with retaining device to resist door bounce back


- Pictures provided for visual reference only: actual product may vary.
- All required hardware should be ordered and obtained prior to initiating fabrication or installation work. Please verify that the parts and quantities listed in your order are correct before proceeding to checkout.
- Always use instructions provided by the manufacturer, as included with the product. Manufacturer reserves the right to amend, modify, or otherwise supplement any previously issued product and/or technical information, as deemed required from time to time, without prior notice.
- The documentation, drawings, and instructions on this page apply to the system described on this page only. Richelieu expressly declines all responsibility for any design or construction that combines this system with systems from this same manufacturer or systems from other manufacturers.
- Installation of the product shall be executed by qualified individuals only, always ensuring that each product is securely installed using proper fixation methods, as appropriate for each applicable substratum. We trust that anyone installing these products has the required skills, knowledge, and experience. Richelieu expressly disclaims any liabilities for results obtained through improper use or installation.
- Always remove debris/dust/residues (sawdust and/or aluminum) from all tracks and guide channels using a dry cloth during installation and before operating the system.
- Never spray lubricant.


By accessing or referring to this document, or by using any of Richelieu's websites, you accept all applicable terms as they apply from time to time. This legal disclaimer is in no way limited or altered by any other terms or conditions. Richelieu may change said terms at its discretion and without prior notice. A version of the most current terms will always be available on Richelieu's website. The preceding information and technical documentation, information, or recommendations issued by Richelieu verbally or in writing is believed to be accurate and is given in good faith, but no representation of warranty as to its completeness or accuracy is made. Suggestions for use or application are only opinions. Users are responsible for determining the suitability of these products for their own particular purpose. No representation of warranty, expressed or implied, is made with respect to information or products including, without limitation, warranties or merchantability, fitness for particular purpose, non-infringement of any third party patent or other intellectual property rights including, without limit, copyright, trademark, and designs. Any trademarks identified herein are trademarks of the Richelieu group of companies. Richelieu assumes no risk and shall not be subject to any liability for damages or loss resulting from the specific use or application made of the product. Richelieu's liability for any claim, whether based on breach of contract, negligence, or infringement of any rights of any party relating to the product shall not exceed the price paid for said products. In no event shall Richelieu be liable for any special, incidental, or consequential damages (including loss of use, loss of profit, and claims of third parties) however caused, whether by the negligence of Richelieu or otherwise. Products returned for warranty purposes shall be subject to Richelieu's then applicable Return Policy.
DUCASSE CD 40 CX Bottom Running Bypass System

To buy, choose from the options.