About The Product
- Box Two Brake Post Extenders are the perfect solution for those riders in need of extra brake pad adjustment without switching frame sizes
- CNC-machined from 6061-T6 aluminum, Box Two Brake Post Extenders easily mount to any frame’s existing cantilever brake bosses and provide an additional 16 mm of brake arm positioning
- Depending on your application, they can be mounted in either one of two positions -- above the frame`s v-brake mounts, or below
Upgrade your bicycle's braking performance with the Box Components BOX Two Brake Post Extender - a premier solution for enhanced brake pad adjustment and compatibility. Crafted from premium CNC-machined 6061-T6 aluminum, these durable canti post extenders are designed for cyclists seeking precise brake setup without the need to switch frames or components.
Materials & Engineering Quality
Constructed from high-grade 6061-T6 aluminum, these extenders offer exceptional strength, corrosion resistance, and lightweight performance. CNC machining ensures a flawless finish and perfect fit, making them a reliable choice for demanding riders and professional bike shops alike.
Performance & Innovative Components
The BOX Two Brake Post Extenders provide an additional 16mm of brake arm positioning, allowing for optimal brake pad clearance and adjustment. Their versatile design permits mounting either above or below the frame's existing cantilever brake bosses, offering maximum flexibility for various bike setups and riding styles-be it commuter, mountain, or touring bikes.
Style & Use Case
Ideal for riders looking to fine-tune their brake geometry or extend brake pad lifespan, these post extenders are perfect for bikes equipped with cantilever or V-brake systems. Whether you need to increase brake reach for wider tires or seek improved brake modulation, these extenders seamlessly integrate into your existing setup for a custom, high-performance braking experience.
Features & Benefits
- CNC-machined from durable 6061-T6 aluminum for strength and lightweight performance
- Adds 16mm of brake arm adjustment for superior brake action
- Compatible with M10 x 1.25 threaded brake bosses
- Versatile mounting options-above or below the frame's brake mounts
- Designed for reliable, long-lasting performance in all riding conditions
Specifications
- Size: M10 x 1.25
- Pair of Extenders for full adjustment capability
- Compatible with cantilever and V-brake systems
Enhance your bike's braking efficiency and adjustability with the Box Components BOX Two Brake Post Extenders-engineered for precision, durability, and versatile performance. Perfect for custom bike builds, bike upgrades, and professional repairs. Order today and experience smoother, more reliable braking on every ride!
- Enhances brake system adjustability by extending cantilever brake posts with precision-machined M10 x 1.25 aluminum extenders, providing an extra 16mm of brake pad positioning for optimal stopping power.
- Crafted from lightweight, durable 6061-T6 aluminum using CNC-machining technology, these brake post extenders deliver superior strength, corrosion resistance, and reliable performance on demanding rides.
- Compatible with a wide range of bicycle frames and cantilever brake setups, these extenders allow flexible installation above or below existing v-brake mounts, making them ideal for customizations or frame size adjustments.
- Designed for cyclists seeking precise brake alignment and enhanced control, the Box Two Brake Post Extenders are perfect for upgrading vintage or custom bikes without the need for frame replacement.
- A versatile and innovative solution that improves brake clearance and modulation, ensuring optimal braking performance during aggressive riding or long-distance cycling sessions.
| Specification | Value |
|---|---|
| Manufacturer | BOX COMPONENTS |
| Manufacturer Part No. | BX-BK17EXTEN-BK |
| Universal Product Code | 616043827612 |
| Invoice Description | BRAKE PART CANTILEVER BOSS BOX TWO POST EXTENDER PAIR BK |
| Shipping Weight | 0.10 lbs. |
| Package Dimensions | 6 x 3.9 x 0.85 |
| Country of Origin | TAIWAN |
| Pair/Single | Pair |
| Color | Black |
| Size | M10 x 1.25 |
| Part Type | Canti Post Extender |
- Supplier:
- JBI
- Color:
- Black
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:
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The item must be in new, unused, and uninstalled condition.
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All original packaging, tags, hardware, and accessories must be included and intact.
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Items showing wear, installation marks, damage, or improper use cannot be accepted.
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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:
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You will receive a Return Authorization email with instructions.
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Print the prepaid label provided by us. ($9.99 will be deducted from your refund)
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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:
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Electronics with opened packaging or broken manufacturer seals
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Any part that has been installed or shows installation attempts
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Tools or chemicals that have been opened or unsealed
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Open‑box items with destroyed or missing packaging
Our Info
-
Storefront name: Bike Junkies
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Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
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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:
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Alaska
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Hawaii
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Puerto Rico
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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.
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We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.
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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
