About The Product
- Aluminum, 6 bolt disc MTB hubs for basic replacement and repair
Upgrade Your MTB Wheels with the Wheel Master MT-3400 MTB Rear Hub - Built for Durability and Performance
The Wheel Master MT-3400 MTB Rear Hub is an essential component designed for serious mountain biking enthusiasts and repair professionals alike. Crafted from high-quality aluminum, this 36-hole, quick-release (QR) rear hub offers a lightweight yet robust solution to enhance your bike's performance on demanding trails.
Materials & Engineering Excellence
Constructed from durable aircraft-grade aluminum, the MT-3400 ensures optimal strength-to-weight ratio, providing reliability in rough terrains without adding unnecessary weight. Its corrosion-resistant finish guarantees longevity, even in wet and muddy conditions, making it perfect for mountain biking adventures.
Performance & Components
Equipped with a precision 145mm bearing model, this hub delivers smooth rotation and enhanced efficiency for aggressive riding styles. Compatible with 5 to 7-speed freewheels, it offers versatile gearing options suitable for various terrains and riding preferences. The 6-bolt disc brake mounting ensures secure and reliable stopping power, providing optimal control for technical descents and high-speed descents alike.
Innovative Features & Compatibility
Designed for quick-release axles with a 135mm OLD (Over Locknut Dimension), the MT-3400 ensures easy installation and quick wheel swaps, minimizing downtime during rides or repair sessions. Its 36-hole configuration not only provides strength and stiffness but also offers compatibility with a wide range of rim and spoke setups, allowing customization and upgrades.
Style & Use Case
Whether you're upgrading your existing mountain bike or replacing a worn-out hub, the Wheel Master MT-3400 is tailored for riders who demand durability, performance, and style. Its sleek black finish complements any bike aesthetic, making it a perfect choice for XC, trail, or all-mountain riding.
Optimize your mountain biking experience with the reliable, high-performance Wheel Master MT-3400 MTB Rear Hub - the ideal solution for every trail rider seeking quality and confidence on their ride.
- High-strength aluminum construction ensures lightweight durability and long-lasting performance for demanding mountain biking adventures.
- Compatible with 5-7 speed freewheel systems, providing versatile gearing options for diverse terrains and riding styles.
- Designed with a quick-release (QR) axle and 36 spokes for easy installation, removal, and maintenance, making repairs efficient and straightforward.
- Features 6-bolt disc brake compatibility, delivering reliable stopping power and improved braking performance in all weather conditions.
- Engineered with advanced bearing technology and precise spacing (135mm OLD), ensuring smooth ride quality and enhanced wheel stability on rugged trails.
| Specification | Value |
|---|---|
| Manufacturer | WHEEL MASTER |
| Universal Product Code | 888571102206 |
| Invoice Description | HUB RR WM MT3400 QR 6B 5-7s 36x135 BK |
| Shipping Weight | 0.83 lbs. |
| Package Dimensions | 7.35 x 2.75 x 2.55 |
| HTS Number | 8714.93.0500C2 |
| Country of Origin | CHINA |
| Use | RR |
| Gears | 5-7s FW |
| Spoke Count | 36H |
| Spacing / Axle | QR |
| Material | Aly |
| Color | Blk |
| Brake Type | 6B |
| OLD | 135 |
| Axle Length | 145 |
- 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:
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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
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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
