DMR Chain Device Hinged Clamp - 31.8mm
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Product Information
Full details
The DMR Chain Device Hinged Clamp is an ideal solution for cyclists looking to mount chain devices, bottle cages, or mudguards onto frames that lack dedicated factory mounting points. Designed for 31.8mm tubing, this durable hinged clamp offers a secure and versatile fit for various frame configurations; however, users should note that mounting accessories like bottle cages typically requires the purchase of two individual clamps.
All features
| Model Part Number | DMR-CLP-31.8 |
|---|---|
| Brand | DMR |
Extended Product Information
FAQs
Does this come as a pair?
No, the DMR Chain Device Hinged Clamp is sold as a single unit.
Can I use this for a bottle cage?
Yes, but you will need to purchase two clamps to provide the two necessary mounting points for a standard bottle cage.
Is this compatible with 35mm handlebars?
No, this clamp is strictly designed for 31.8mm frame tubing.
Will this scratch my bike frame?
While the clamp is finished for durability, it is good practice to place a small piece of electrical tape or rubber strip between the clamp and the frame to protect the paint finish.
What tools are needed for installation?
You will typically need a standard Allen key, the size of which depends on the specific bolt head included with your unit.
Troubleshooting
Clamp slips on the frame
Ensure the frame tube is clean and free of grease. If slippage continues, consider using a small piece of rubber inner tube between the clamp and the frame for extra grip.
Bolt is difficult to tighten
Check the threads for debris or grit. Clean the threads and apply a small amount of lubricant to the bolt.
Pros and Cons
Pros
- Easy installation via hinged mechanism
- Provides mounting points on frames without braze-ons
- Durable metal construction
- Ideal for custom bike setups
Cons
- Requires two units for bottle cage mounting
- Specific to 31.8mm tube diameter only
- Does not include mounting hardware for accessories
Setup, Compatibility & Care
Ensure that your frame tube diameter is exactly 31.8mm before installation, as a mismatch will prevent a secure fit. To install, open the hinged clamp, wrap it around the desired section of the frame, and tighten the integrated bolt until snug. Ensure the clamp is positioned correctly before final tightening to prevent surface scratching on your frame. For ongoing care, periodically check the bolt tension to ensure it has not loosened due to vibration. If used in wet or muddy conditions, wipe the clamp clean and apply a thin layer of light grease to the bolt threads to prevent oxidation.
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