About The Product
- Allows the use of a 220mm rotor on a Post Mount 203mm frame or fork
- Bolts included
Upgrade your riding experience with the Magura QM 46 Disc Brake Adapter - the ultimate solution for versatile braking performance on mountain bikes, gravel bikes, and road bikes. This high-quality, durable adapter is specifically engineered to adapt 220mm rotors to 203mm Post Mount calipers, ensuring optimal stopping power and compatibility across various frame and fork standards.
Materials & Construction
Made from premium-grade, lightweight aluminum alloy with a sleek black anodized finish, the QM 46 adapter offers exceptional strength, corrosion resistance, and longevity. Its robust build ensures reliable performance in demanding riding conditions, whether tackling rugged trails or urban commutes.
Performance & Engineering
Designed for precise fitment and seamless integration, the QM 46 ensures smooth alignment between your caliper and rotor, maximizing braking efficiency. The adapter effectively increases rotor compatibility from 203mm to 220mm, allowing for enhanced heat dissipation and improved modulation-ideal for aggressive riding and long descents.
Components & Technology
The adapter includes all necessary mounting hardware, simplifying installation and ensuring secure, vibration-free operation. Its engineering accommodates Post Mount (PM) 74mm calipers and is compatible with both flat mount and international standard (IS) frame/fork mounts, offering unparalleled versatility.
Style & Use Case
Finished in sleek black, the Magura QM 46 compliments modern bike aesthetics while providing reliable stopping power across various disciplines. Whether upgrading your mountain bike for downhill adventures, expanding your gravel bike's rotor options, or customizing your road bike's braking system, this adapter offers the perfect balance of style and function.
Innovative Features & Differentiators
- Compatible with 220mm rotors for increased braking surface area and heat management
- Suitable for Post Mount calipers and adaptable to Flat Mount forks and frames
- Includes all mounting hardware for straightforward installation
- Engineered for precision and durability in demanding riding conditions
Optimize your bike's braking performance with the Magura QM 46 Disc Brake Adapter - the reliable choice for riders demanding versatility, power, and durability. Upgrade today for safer, more confident rides across all terrains!
- Designed with high-quality black anodized aluminum, the Magura QM 46 Disc Brake Adapter offers robust durability and precise fit for various bike setups.
- Engineered to seamlessly adapt 220mm rotors to 203mm Post Mount calipers, providing enhanced braking power and modulation for mountain biking, gravel, or all-mountain riding.
- Utilizes advanced components and mounting hardware for secure attachment and reliable performance, compatible with 74mm Post Mount calipers and standard frame or fork mounts.
- Ideal for upgrading or customizing your bike's braking system, this adapter supports versatile applications including Flat Mount and International Standard (IS) mounts, making it perfect for mixed bike builds.
- Innovative and lightweight design ensures easy installation and compatibility with Magura's high-performance disc brake calipers, boosting your bike's braking efficiency and riding confidence.
| Specification | Value |
|---|---|
| Manufacturer | MAGURA |
| Manufacturer Part No. | 2 702 193 |
| Universal Product Code | 4055184028766 |
| Invoice Description | BRAKE PART MAG DISC ADPTR QM46 PM F/R 203-220mm |
| Shipping Weight | 0.07 lbs. |
| Package Dimensions | 3.6 x 1.55 x 0.55 |
| Country of Origin | TAIWAN |
| Rotor Size | 203mm to 220mm |
| Frame Mount | Post Mount |
| Caliper Mount | Post Mount |
| Color | Black |
| Size | 17mm |
| Adapter / Bolts | Adapter |
- Supplier:
- JBI
Bike Junkies offers no‑hassle returns and exchanges within 60 days of delivery. We want every customer to feel confident when shopping with us, and our return process is designed to be simple, fair, and fast.
Return Eligibility
To qualify for a return or exchange, the following conditions must be met:
-
The item must be in new, unused, and uninstalled condition.
-
All original packaging, tags, hardware, and accessories must be included and intact.
-
Items showing wear, installation marks, damage, or improper use cannot be accepted.
-
An order number is required.
Once your return is received at our warehouse, a refund will be issued within 5 days after inspection.
Refunds
Refunds are issued to the original form of payment once the returned item has been received and approved. If we are unable to refund to the original payment method, the refund will be issued as store credit.
Depending on your bank or credit card provider, it may take an additional 2–3 business days for the refund to appear in your account.
Exchanges
To make an exchange, simply complete the return process and then place a new order for the item you want instead. This ensures the replacement item is reserved and ships quickly.
How to Start a Return
To request a Return Authorization (RA#), contact us at support@bikejunkies.com. Please include your order number and the item you wish to return.
Once approved:
-
You will receive a Return Authorization email with instructions.
-
Print the prepaid label provided by us. ($9.99 will be deducted from your refund)
-
Ship the item back within 7 days of the RA being issued as RA #'s are only valid for 7 days.
Please do not tape anything to the original product packaging. Place the item inside a proper shipping box. Using the manufacturer’s box as the shipping container will result in damage and the return may be rejected.
Be sure to keep your return tracking number. Powersport Junkies is not responsible for lost return shipments. You will receive a confirmation email once your return has been processed and refunded.
Defective, Incorrect, or Damaged Items
If you receive a defective, damaged, or incorrectly shipped item, contact us immediately. We will cover the return shipping cost and ensure the issue is resolved quickly.
Non‑Returnable Items
Certain items cannot be returned, including:
-
Electronics with opened packaging or broken manufacturer seals
-
Any part that has been installed or shows installation attempts
-
Tools or chemicals that have been opened or unsealed
-
Open‑box items with destroyed or missing packaging
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
This Shipping Policy explains how orders are processed, handled, and delivered by Bike Junkies, including delivery timelines, shipping coverage, and special conditions for military addresses. It is designed to give customers a clear understanding of what to expect when placing an order.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Order Processing and Handling
Orders are processed quickly to ensure fast delivery. Our standard handling time is 0–1 business days. Order cutoff time is 12 PM PST Monday-Friday and orders placed after that will be shipped shipped next business day.
Transit Times
Once shipped, orders typically arrive within 2–3 business days. Transit times may vary slightly depending on the destination, weather conditions, or carrier-related delays. Delivery estimates apply only after the order has left our facility.
Delivery Schedule
Standard delivery occurs Monday through Friday. Saturday delivery may be available.
Shipping Coverage
Bike Junkies offers free shipping to the lower 48 states of the United States. We do not ship to the following locations:
-
Alaska
-
Hawaii
-
Puerto Rico
-
Any international destination outside the United States
Orders placed with shipping addresses in restricted locations will be canceled and refunded.
Military Shipping (APO/FPO)
Bike Junkies ships to APO/FPO military addresses using USPS only.
-
We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.
-
Transit times to APO/FPO locations may vary significantly depending on military mail processing.
Address Accuracy and Delivery Issues
Customers are responsible for ensuring that all shipping information provided at checkout is accurate and complete. Bike Junkies is not responsible for delays, lost packages, or delivery failures caused by incorrect or incomplete addresses. If a package is returned due to an address error, additional shipping charges may apply to resend the order.
Lost, Delayed, or Damaged Shipments
If a shipment is delayed, lost, or arrives damaged, customers should contact us promptly so we can assist with initiating a claim or resolving the issue with the carrier. While we support the process, final decisions regarding claims are made by the carrier.
Tracking Information
A tracking number is provided via email once the shipping label has been created. Tracking updates may take up to 24 hours to appear after the label is generated.
Shipping Restrictions
Certain items may be subject to shipping restrictions due to size, weight, or hazardous material regulations. If an order cannot be shipped due to such restrictions, we will notify the customer to arrange an alternative solution.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
For warranty issues please contact us at support@bikejunkies.com. Each Brand is different and we can provide instruction to complete warranty issues.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
