About The Product
- Replacement cartridge bearings for various headsets
- Sold as individual
Upgrade Your Bicycle's Steering Performance with the Sunlite Headset Cartridge Bearings R438 36/45
Enhance your bike's handling and reliability with the Sunlite Headset Cartridge Bearings R438 36/45. Designed for precision, durability, and compatibility, these high-quality replacement bearings ensure smooth, responsive steering for a variety of bicycle headsets.
Materials & Engineering
Constructed from premium-grade steel, the Sunlite Headset Cartridge Bearings R438 offers exceptional durability and resistance to wear and corrosion. Its hardened construction guarantees long-lasting performance, even under demanding riding conditions, whether you're commuting, touring, or mountain biking.
Performance & Technology
Engineered with precision ball sizes of 36/45mm and an outer diameter of 51.8mm, these bearings provide superior load distribution and minimal friction. The 40mm inner diameter ensures a secure fit within compatible headset standards, delivering smooth turns and stable handling on every ride.
Components & Compatibility
These replacement cartridge bearings are compatible with various headset models, making them a versatile choice for a wide range of bicycles. Sold individually, they are easy to install and ideal for bike maintenance or upgrades. The R438 model is a reliable solution for restoring or upgrading your bike's steering system.
Style & Use Case
Whether rebuilding your bike or performing routine maintenance, the Sunlite Headset Cartridge Bearings R438 are perfect for road, mountain, or hybrid bikes. Their sleek, functional design complements any bicycle aesthetic while providing the performance needed for confident riding.
Innovative Features
The cartridge design simplifies installation and replacement, reducing downtime and maintenance complexity. Its engineered precision ensures a snug fit that maintains optimal steering performance, making it a trusted choice for bike enthusiasts and professional mechanics alike.
Optimize your bike's steering system with the durable, reliable Sunlite Headset Cartridge Bearings R438 36/45 - the ideal upgrade for smoother, more responsive rides. Order yours today and experience enhanced control and confidence on every trail and commute.
- High-quality replacement cartridge bearings designed specifically for Sunlite headset models, ensuring precise fit and durability for long-lasting performance.
- Constructed with robust materials like high-grade steel balls and corrosion-resistant components, these bearings optimize smooth steering and reduce maintenance needs.
- Engineered with advanced technology to enhance bearing longevity and minimize friction, providing a seamless riding experience on mountain, road, or hybrid bikes.
- Ideal for upgrading or restoring your bicycle's steering system, compatible with various headset configurations including 1-1/2 inch sizes, for versatile use across many bike types.
- Feature a compact design with 36/45 ball sizes and 51.8mm outer diameter, making them the perfect choice for cyclists seeking reliable, high-performance bearing replacements.
| Specification | Value |
|---|---|
| Manufacturer | SUNLITE |
| Universal Product Code | 888571123232 |
| Invoice Description | BEARING SUNLT CARTRIDGE HEAD R438 1-1/2 36/45 40iX51.8oX8w SOLD EACH |
| Shipping Weight | 0.07 lbs. |
| Package Dimensions | 2.95 x 2.15 x 0.5 |
| HTS Number | 8482.99.0500 |
| Country of Origin | TAIWAN |
| Model | R438 |
| Fit | Various Headsets |
| Angle | 36/45 |
| I.D. | 40mm |
| O.D. | 51.8mm |
| Width | 8mm |
| Sold As | Individual |
- 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
-
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:
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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
