SRAM Freehub Bodies
SRAM

SRAM Freehub Bodies

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Genuine SRAM X9 freehub body (11.2015.028.100) for 10-speed cassettes — quick-release axle fit and durable machined-alloy construction for reliable engagement and long service life.

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Product Details

Overview & Technology

Genuine SRAM X9 freehub body built to the manufacturer's specification (Part #: 11.2015.028.100, Model ID: HU-SPP-A0). Designed for 10-speed drivetrains and quick-release (QR) axle hubs, this freehub body replaces worn or damaged drivers to restore crisp engagement and proper cassette spacing. Construction and mechanics: the body is precision-machined from a durable alloy with hardened splines to resist wear, and it interfaces with a pawl-style engagement mechanism inside the hub. The result is a component optimized for consistent index shifting, reliable power transfer and long-term durability on trail or road use.

Key Features

Serviceable, OEM-fit replacement: engineered to match SRAM X9 hub tolerances so installation is straightforward and no hub rework is needed. The freehub body restores correct cassette alignment and chainline for smooth shifting. • 10-speed compatibility — designed specifically for 10-speed SRAM X9 setups. • Quick-release axle interface — fits QR axle hubs without adapters. • Precision-machined alloy body with hardened splines for wear resistance. • Lightweight factory spec weight and balanced construction to preserve hub performance.

Fit & Compatibility

This freehub body is a direct replacement for SRAM X9 hubs that use the HU-SPP-A0 model driver. Confirm compatibility by matching the Manufacturer Part # (11.2015.028.100) or Model ID (HU-SPP-A0) to your hub's spec. It's built for QR axle hubs and 10-speed cassette fitment. Installation & dimensions: the driver replaces the existing freehub after hub disassembly; typical service requires basic tools (cone wrenches or axle tools depending on hub). Shipping dimensions: 12.3" x 9.1" x 4.6" and package weight 2.05 lb — plan for modest packaging when ordering spares or carrying a replacement on long trips.

Who It's For

Targeted at mountain riders and mechanics who own SRAM X9 hubs and run 10-speed drivetrains. Ideal for riders restoring worn splines, fixing engagement issues, or refreshing a used wheelset before heavy riding or race season. Also useful for: shop techs stocking OEM parts, home mechanics performing routine hub service, and riders who prefer genuine SRAM replacement parts for guaranteed fit and performance.

Key Features

  • ✓ OEM SRAM X9 replacement freehub body — direct, guaranteed fit
  • ✓ Specifically engineered for 10-speed cassette spacing
  • ✓ Quick-release axle interface for QR hub compatibility
  • ✓ Precision-machined alloy body with hardened spline surfaces
  • ✓ Restores crisp pawl engagement and smooth shifting
  • ✓ Lightweight, serviceable design for easy hub maintenance
  • ✓ Manufacturer part number 11.2015.028.100 (HU-SPP-A0)

Specifications

Axle Type QR
Freehub Compatibility X9
Speed 10

Product Identifiers

Vendor Item # 11.2015.028.100
UPC 710845641688

Frequently Asked Questions

Is this freehub body compatible with my hub?

This freehub body is a direct replacement for SRAM X9 hubs that use model HU-SPP-A0 (Manufacturer Part #: 11.2015.028.100). Confirm compatibility by checking your hub's model ID or the existing freehub part number. If in doubt, compare spline pattern and axle type before ordering.

Can I use this freehub with 9-speed or 11-speed cassettes?

This unit is manufactured for 10-speed cassette spacing. Some 9-speed cassettes will fit on a 10-speed freehub body, but 11-speed cassettes typically require a different body due to width and spline differences. Always check cassette compatibility and spacing before mounting.

What tools and skills are required to replace the freehub body?

Replacement typically requires basic hub service tools — axle removal tools or cone wrenches, and possibly hex/allen keys depending on your hub's axle configuration. If you're not comfortable with hub disassembly, a local bike shop can install it and check bearing preload and torque specs.

How often should I service or replace the freehub body?

Service intervals depend on riding conditions. Inspect splines and pawls annually or after heavy wet/muddy use; replace the freehub body if splines are visibly worn, shifting is inconsistent, or there is play in the driver. Regular greasing of pawls and bearings extends life.

Is this a genuine SRAM part and does it come with warranty?

Yes — this listing is for a genuine SRAM X9 freehub body (Part #: 11.2015.028.100). Warranty coverage is subject to SRAM's terms and proof of purchase; check Forest Bikes' returns and warranty policies for additional details.

Can I carry this as a spare for on-trail repairs?

Yes — it's a sensible spare for riders who want to be prepared, but replacement requires hub disassembly and some tools. Carrying one is practical for long tours or remote rides if you have the skills to install it.

Buying Guide

When buying a freehub body, prioritize exact fit: match the hub model ID, manufacturer part number, axle type and cassette speed. Material and construction matter — machined alloy bodies with hardened splines resist wear and maintain spline engagement longer, while serviceable designs let you access pawls and bearings for maintenance. Consider whether you need a spare for rides and whether you'll install it yourself or have a mechanic do the job. If you run mixed-brand drivetrain parts, double-check spline standards and cassette compatibility before purchasing.

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