About The Product
- Double Time four pawl internal mechanism ensures rapid lightning-fast engagement for quick and confident pedal responsiveness
- Speedball bearings provide smooth, long-lasting rotation performance
- Available in 28 and 32 hole configurations with XD or Cassette driver
- 3D forged and machined for low weight and high strength
- Boost variant is 12mm Thru axle only
Upgrade your cycling performance with the SRAM 900 Disc Rear Hub, a precision-engineered component designed for durability, speed, and versatility. Built with top-tier materials and innovative technology, this 28-hole, 12mm thru-axle hub seamlessly integrates with Shimano HG 11/12-speed road cassettes, making it ideal for serious cyclists and mountain bikers alike.
Materials & Construction:
Crafted from lightweight, durable aluminum (Aly), the SRAM 900 hub offers an excellent balance of strength and weight-weighing only 305 grams-ensuring robust performance without added bulk. Its sealed cartridge bearings provide exceptional protection against dirt, water, and debris, reducing maintenance needs and extending hub lifespan.
Performance & Engineering:
Featuring an aggressive Double Time four-pawl mechanism, this hub delivers lightning-fast engagement with precise power transfer, making sprinting, climbing, and rapid acceleration effortless. The angled flanges optimize spoke geometry for increased wheel strength and stiffness, enhancing stability and responsiveness during aggressive riding.
Components & Technology:
Designed for 6-bolt disc brake systems with a hub spacing of 148mm, the SRAM 900 ensures reliable braking performance on any terrain. The included quick-release skewer simplifies wheel installation and removal, while the J-bend spoke interface accommodates durable, widely-used spokes for easier customization and repair.
Style & Use Case:
With its sleek black finish, the SRAM 900 Disc Hub combines style with functionality, suitable for mountain biking, gravel riding, and road cycling. Its versatile setup supports 8 to 11-speed cassettes, providing compatibility across a range of drivetrain options and gear setups-perfect for riders seeking a dependable, high-performance rear hub.
Innovative Features & Compatibility:
This hub includes axle end caps compatible with various frame specifications, easily swapped without tools to suit different bike configurations. Its compatibility with Shimano HG 11/12-speed road cassettes, combined with sealed bearings and durable construction, ensures smooth, consistent operation even under demanding conditions. Please note, the hub does not include a skewer, allowing customization to match your ride.
Optimize your wheelset with the SRAM 900 Disc Rear Hub-built for speed, strength, and endurance. Whether upgrading an existing wheel or building a new one, this component delivers outstanding performance for serious cycling enthusiasts.
- High-performance SRAM 900 Disc Rear Hub with 28H spoke count and 12mm Thru-Axle designed for rugged mountain biking and gravel riding.
- Constructed from lightweight yet durable aluminum, this hub provides exceptional strength and corrosion resistance for demanding cycling conditions.
- Equipped with a sealed cartridge bearing system and a double pawl mechanism, ensuring quick engagement and smooth, reliable performance on every ride.
- Features angled flanges for optimized spoke tension and accurate wheel truing, along with adjustable end caps compatible with various frame standards for versatile installation.
- Ideal for 11/12-speed Shimano HG drivetrain setups, this rear hub delivers precise gear compatibility, robust disc brake compatibility with 6-bolt rotors, and seamless integration into high-performance wheel builds.
| Specification | Value |
|---|---|
| Manufacturer | SRAM |
| Manufacturer Part No. | 00.2018.013.007 |
| Universal Product Code | 710845784774 |
| Invoice Description | HUB RR SRAM 900 28 12mmTA 11s CAS BK BOOST 1.85mm SPACER |
| Shipping Weight | 0.88 lbs. |
| Package Dimensions | 8.5 x 3.5 x 3.3 |
| HTS Number | SAS 67228 |
| Country of Origin | TAIWAN |
| Use | RR |
| Gears | 8-11s Cass |
| Spoke Count | 28H |
| Spacing / Axle | 12TA |
| Material | Aly |
| Color | Blk |
| Brake Type | 6B |
| OLD | 148 |
| PCD-L | 58 |
| PCD-R | 60 |
| LTF-L | 34 |
| LTF-R | 49 |
| CTF-L | 40 |
| CTF-R | 25 |
| Axle Length | 148 |
| Hole Diameter | 2.5 |
- 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
