Arlen Ness oversized front brake disc kit for Harley-Davidson Sportster XL 2006-2013. Offers up to 30% more braking power compared to the original 11 1/2" or 11.8" discs, while keeping the stock caliper and brake line. Includes 15" / 381 mm floating disc, billet machined caliper adapter, and all necessary mounting hardware.
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Oversized front brake disc kit Arlen Ness for Sportster XL 2006-2013
Improve the braking response of your Harley-Davidson with the Arlen Ness oversized front disc kit, an upgrade designed for riders seeking more control, more safety, and a high-level custom style. Thanks to its large floating disc, this kit offers an approximate minimum increase of 30% in braking power compared to the original 11 1/2" or 11.8" discs, while keeping the stock caliper and brake line.
Its design is intended to maintain a clean and functional installation, giving a more aggressive presence to the front end. It is an ideal option for custom builds, bikes with larger front wheels, or Harley-Davidson Sportster projects where performance, aesthetics, and premium quality are sought after.
Main features of the Arlen Ness kit
- 15" oversized front disc for greater braking capacity.
- Floating disc designed to improve performance and thermal dissipation.
- Provides approximately 30% more braking power compared to OEM 11 1/2" or 11.8" discs.
- Allows use of the original brake caliper.
- Allows you to keep the stock brake line or hose.
- Includes machined billet caliper adapter.
- Includes the necessary hardware for installation.
- Compatible with 19" or larger front wheel.
Technical product data
| Brand | Arlen Ness |
| Product type | Oversized front brake disc kit |
| Position | Front |
| Disc type | Large floating disc |
| Outer disc diameter | 15" / 381 mm |
| Inner diameter | 56 mm |
| Hub mounting | 5 bolts |
| Compatible wheel | 19" or larger front wheel |
| Braking increase | Approximately 30% more than original 11 1/2" / 292 mm or 11.8" / 300 mm discs |
| Brake caliper | Compatible with the original brake caliper |
| Brake line | Compatible with the stock brake line or hose |
| Includes | Oversized floating disc, billet brake caliper adapter, and mounting hardware |
| Installation | Designed for OEM forks in Sportster XL applications |
Motorcycle compatibility
This Arlen Ness front disc kit is designed for the following models:
- Harley-Davidson Sportster XL 2006-2013
Compatible with Sportster XL models equipped with a 19" or larger front wheel and 5-bolt hub disc mounting.
Important: Arlen Ness disc kits for Sportster applications are designed to work with OEM forks. Before installation, it is recommended to check the wheel diameter, hub type, and the configuration of the motorcycle's front brake system.
Advantages of installing an Arlen Ness oversized disc
The larger disc diameter increases the braking leverage, resulting in more powerful and effective braking. This is especially interesting for customized bikes, builds with large front rims, or motorcycles where improved performance is desired without replacing the entire caliper or hydraulic system.
In addition to its functional improvement, the 15" disc gives an imposing look to the front of the bike, reinforcing the custom and premium character characteristic of Arlen Ness.
Kit contents
- 1 oversized 15" floating front brake disc.
- 1 billet machined brake caliper adapter.
- Necessary bolts and hardware for installation.
Product recommended for professional installations or users with experience in brake systems. Proper installation is essential to ensure the safety and performance of the braking system.
- MOTORCYCLE BRANDS
- HARLEY DAVIDSON
- HARLEY DAVIDSON MODELS
- Sportster