About The Product
- Aluminum hubs
- Loose ball
- Bolt-on
- Rear flip-flop
Upgrade Your BMX Performance with Wheel Master MX-4000 BMX Hubs - 32H Stainless Lined Flanged Design
Introducing the Wheel Master MX-4000 BMX Front & Rear Hubs, engineered for serious riders seeking durability, precision, and exceptional performance. Crafted from high-quality aluminum, these hubs offer lightweight strength and corrosion resistance, making them a perfect choice for aggressive BMX riding, stunt riding, or trail adventures.
Materials & Build Quality
Constructed from premium aluminum alloy, the MX-4000 hubs deliver robust durability while maintaining a lightweight profile. The aluminum construction ensures resistance to corrosion, perfect for riding in various weather conditions, and provides a sleek, modern aesthetic to your BMX wheelset.
Performance & Engineering Excellence
Designed with a loose ball bearing system, these hubs deliver smooth rotation and enhanced longevity. The bolt-on design with a flip-flop rear hub allows for versatile installation options-ideal for riders performing track stands or wheelies. The 32-hole (32H) flange pattern ensures optimal spoke tension and wheel strength, supporting aggressive riding styles and demanding terrain.
Components & Technology
Featuring a bolt-on, flip-flop rear hub with 3/8" axle and bolt-on nuts, the MX-4000 ensures secure wheel attachment and quick maintenance. The hub is designed for a 35mm center-to-flange distance (CTF-R and CTF-L), with precise specifications such as a 15mm left and right offset (LTF-L, LTF-R). The 170-bearing model guarantees smooth, efficient rolling, reducing fatigue during long rides or BMX competitions.
Style & Use Case
Perfect for freestyle BMX, stunt rides, or competitive racing, the MX-4000 hubs combine a sleek, minimalist style with high-performance engineering. The stainless-lined 3/8" bolt axles and bolt-on compatibility make it suitable for aggressive riding, providing added security and confidence during jumps, tricks, and high-impact maneuvers.
Innovative & Differentiating Features
- Aluminum hubs with corrosion-resistant finish
- Loose ball bearing system for smooth rotation
- Bolt-on, flip-flop design for versatile use and easy maintenance
- Perfectly balanced for BMX, stunt riding, and freestyle disciplines
Specifications
- Use: Freewheel/Track (FT)
- Center-to-Flange (CTF-R and CTF-L): 35mm
- Axle Spacing / Axle: 3/8" x 26T bolt-on nuts
- Left and Right Flange Distance: 54mm (PCD-L & PCD-R), 15mm offset (LTF-L & LTF-R)
- OLD (Over Locknut Dimension): 100mm
- Bearing Model: 170
Upgrade your BMX wheelset with the Wheel Master MX-4000 32H Aluminum Hubs for a perfect blend of durability, performance, and style. Whether you're hitting the ramps, racing, or tearing up the trails, these hubs deliver the reliability and smoothness you need to take your ride to the next level.
- High-grade aluminum construction ensures durability and lightweight performance for BMX riding, enhancing speed and control.
- Designed with a loose ball bearing system for smooth rotation and minimal maintenance, providing reliable performance during intense BMX sessions.
- Bolt-on, flip-flop rear hubs offer easy customization and compatibility with different gear setups, ideal for versatile BMX riding styles.
- Suitable for front and rear applications with 32-hole configurations and a 3/8-inch axle size, making it compatible with a wide range of BMX frames and forks.
- Innovative features include a bolt-on design with a flip-flop hub for quick gear changes, perfect for freestyle, race, or street BMX riding.
| Specification | Value |
|---|---|
| Manufacturer | WHEEL MASTER |
| Universal Product Code | 888571067000 |
| Invoice Description | HUB FT WM MX4000 BO LF 32x3/8 SL |
| Shipping Weight | 0.53 lbs. |
| Package Dimensions | 6.6 x 2.4 x 1.9 |
| HTS Number | 8714.93.3500C2 |
| Country of Origin | CHINA |
| Use | FT |
| Spoke Count | 32H |
| Spacing / Axle | B/O-NUT 3/8x26t |
| Color | Sil |
| Brake Type | RIM |
| OLD | 100 |
| PCD-L | 54 |
| PCD-R | 54 |
| LTF-L | 15 |
| LTF-R | 15 |
| CTF-L | 35 |
| CTF-R | 35 |
| Axle Length | 170 |
| Hole Diameter | 2.4 |
- 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
