About The Product
- Replacement axles for Black Ops MT-3100 hubs
- Bearing shoulder to bearing shoulder is 59mm
Upgrade Your Bicycle's Performance with Black Ops MX-3100 Axles 3/8x26x100x140 KT-M37F (140mm) - Engineered for Durability and Precision
Are you seeking to enhance the reliability and performance of your Black Ops MT-3100 hubs? The Black Ops MX-3100 Axles 3/8x26x100x140 KT-M37F is the perfect replacement component for serious cyclists and bike shop professionals. Crafted with high-quality materials and designed with precision engineering, these front axles deliver superior strength, durability, and consistency for your BMX, mountain biking, or freestyle biking needs.
Materials & Construction:
Made from advanced, corrosion-resistant steel, the Black Ops MX-3100 Axle ensures maximum durability even under the harshest riding conditions. Its robust construction provides exceptional resistance to bending and flex, maintaining optimal wheel alignment and system stability.
Performance & Engineering:
Featuring a precise 3/8-inch diameter and a length of 100mm with an overall length of 140mm, this axle is engineered for perfect fitment on Black Ops MT-3100 hubs. The bearing shoulder-to-shoulder measurement of 59mm guarantees a secure fit, minimizing wheel wobble and enhancing ride smoothness. Whether you're tackling jumps, technical trails, or street riding, these axles provide the dependable support required for high-impact riding.
Components & Technology:
Designed specifically for front hub applications, the KT-M37F axle integrates seamlessly with the Black Ops MX-3100 wheelset. Its standardized sizing ensures compatibility with a variety of bike frames and fork dropouts, making it a versatile choice for custom builds or repairs. The high-precision threading and polished finish reduce wear and facilitate easy installation and removal.
Style & Use Case:
Featuring a sleek, black anodized finish, the Black Ops MX-3100 Axles not only stand out aesthetically but also help resist corrosion and scratches, preserving your bike's sleek appearance. Ideal for BMX racers, mountain bikers, and freestyle riders, these axles provide the strength and reliability needed for high-performance cycling across various terrains and disciplines.
Innovative Features:
- Universal front axle suited for Black Ops MT-3100 hubs
- Superior material composition for longevity and resilience
- Precise dimensions designed for optimal fit and ride stability
- Corrosion-resistant finish for weather-resistant durability
- Easy installation with compatible threading and sizing
Optimize your bike's performance and ensure ride confidence with the Black Ops MX-3100 Axles 3/8x26x100x140 KT-M37F. Whether upgrading your existing setup or executing a custom build, these axles deliver the strength, precision, and style every cyclist demands. Order now to experience enhanced durability and ride quality on every trail, jump, and street session.
- Precision-engineered replacement axles for Black Ops MT-3100 hubs, ensuring seamless compatibility and reliable performance.
- Constructed from durable, high-grade materials designed to withstand rigorous riding conditions and extended use.
- Features a standardized 3/8-inch diameter and precise 26mm spacers, optimized for front hub applications with a bearing shoulder-to-shoulder measurement of 59mm for perfect fitment.
- Ideal for BMX, mountain biking, and freestyle riders seeking robust, lightweight components that enhance axle strength and stability during intense riding sessions.
- Innovative design with compatibility for multiple Black Ops hub models, providing versatile upgrade options and streamlined installation for improved cycling performance.
| Specification | Value |
|---|---|
| Manufacturer | BLACK OPS |
| Universal Product Code | 888571043059 |
| Invoice Description | HUB AXLE BK-OPS FT MX3100 3/8x26x100x140 KT-M37F 37068 37069 37681 |
| Shipping Weight | 0.19 lbs. |
| Package Dimensions | 5.45 x 0.45 x 0.5 |
| HTS Number | 8714.99.8000C1 |
| Country of Origin | CHINA |
| Supplier Part | KT-M37F |
| Size | 3/8x26x100x140 |
| Spacing / Axle | B/O 3/8 |
| Bearing Type | Sealed |
| Front / Rear | Front |
| OLD | 100 |
| Length | 140 |
- 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
