M Part Gear Hanger - Silver
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Product Information
Full details
This M Part Gear Hanger by Gurpil is designed for adult cyclists seeking to protect their bike frames from damage. Its primary benefit is its sacrificial design, intentionally bending or breaking on impact to prevent costly frame repairs. A potential caveat is that its specialized nature may require careful identification to ensure compatibility with your specific bicycle model. This hanger is constructed from cold-forged 6061 aluminum, meeting the hardness standards used by bicycle frame manufacturers, and includes a fixing bolt.
All features
| Age Group | adult |
|---|---|
| Colour | Silver |
| Gender | Unisex |
| Model Part Number | 280094 |
| Brand | Gurpil |
Extended Product Information
FAQs
What does 'sacrificial design' mean for a gear hanger?
A sacrificial gear hanger is designed to bend or break on impact. This absorbs the force of a crash or impact, preventing that force from damaging the more expensive and critical bicycle frame or the rear derailleur itself.
How do I know if this is the right hanger for my bike?
You must compare your current hanger and its mounting point to the diagrams and specifications provided in the product images. This hanger is for the Syntace X-12 Type 1 standard. If unsure, consult your bicycle's manual or a professional bike mechanic.
What material is the hanger made of?
It is made from cold-forged 6061 aluminum, a material and process used by bicycle frame manufacturers to ensure correct hardness and durability.
Does this hanger come with a bolt?
Yes, the fixing bolt required for installation is included with the gear hanger.
Can I straighten a bent hanger?
While minor bends can sometimes be carefully straightened, it is generally recommended to replace a bent or damaged gear hanger. Attempting to straighten it can weaken the metal, leading to premature failure.
What happens if I use the wrong gear hanger?
Using an incorrect gear hanger can lead to poor shifting performance, premature wear on drivetrain components, or it may not fit securely, potentially causing damage to the frame or derailleur.
Troubleshooting
Rear gears not shifting correctly after installation.
Ensure the hanger is correctly aligned and the fixing bolt is securely tightened. Check that the rear derailleur is properly attached to the hanger. Minor adjustments to the derailleur's limit screws or barrel adjuster may be needed.
Hanger broke during a minor incident.
This is the intended function. Replace the hanger with a new one. Inspect the frame and derailleur for any secondary damage.
Difficulty removing the old hanger.
Ensure you are using the correct size Allen key. If the bolt is seized, a penetrating lubricant might help, but apply it carefully to avoid damaging frame components. If necessary, seek assistance from a bike shop.
Pros and Cons
Pros
- Protects expensive bicycle frames from damage.
- Made with durable, high-quality 6061 aluminum.
- Designed to meet industry standards for compatibility.
- Includes a fixing bolt for easy installation.
- Cost-effective solution compared to frame repair.
Cons
- Requires careful identification to ensure correct fitment.
- May need replacement after a significant impact.
- Specific to Syntace X-12 Type 1 standard, limiting broad compatibility.
- Silver color may not match all bicycle aesthetics.
Setup, Compatibility & Care Instructions
Setup:
- Ensure your bicycle is securely supported, ideally in a bike stand.
- Locate the existing gear hanger on your frame (typically attached to the derailleur and the frame itself).
- Use an appropriate Allen key to remove the fixing bolt holding the old hanger in place.
- Carefully detach the old hanger.
- Align the new Gurpil M Part Gear Hanger with the mounting point on the frame.
- Insert and tighten the provided fixing bolt. Do not overtighten.
- Reattach the rear derailleur to the new hanger if it was detached.
Compatibility:
- This hanger is specifically designed for the Syntace X-12 Type 1 standard.
- Refer to the product images for detailed drawings and assembly style diagrams to confirm it matches your bicycle's mounting.
- It is intended for adult bicycles.
Care:
- Inspect the hanger regularly for signs of stress, bending, or cracking, especially after any impact.
- Clean the area around the hanger with a dry or slightly damp cloth to prevent dirt buildup.
- Avoid using harsh solvents or degreasers directly on the hanger, as this can degrade the aluminum over time.