Trask Performance

Billet Aluminum Swingarm Kit - 18+ Softail

Skip to product information
1 of 11

Total: $2,999.95
Sale price $2,999.95 Regular price
Shipping calculated at checkout.
Need help? Speak to an expert
Amazon American Express Apple Pay BancontactBizumDiners ClubDiscoverGoogle Pay iDEAL WeroMastercard MB WAY PayPalSatispayShop Pay Visa
Want it installed?Book a Speed Shop slot. Call to check availability.

Description

Upgrade your 2018 and newer Harley-Davidson Softail with the Trask Billet Aluminum Swingarm and elevate your performance to the next level! Designed for riders who demand precision, stability, and reduced weight, this swingarm is built to dominate both the street and the corners. Crafted from high-quality T6061 billet aluminum, the Trask Softail swingarm delivers a 25% weight reduction over stock, resulting in improved handling, increased rigidity, and a smoother ride.

Engineered with race-proven technology, the Trask swingarm is the same high-performance component trusted by the Trask Race team in the Bagger Racing League. With easy installation and no welding required, it’s the perfect upgrade to make your Softail even faster and more responsive.

Key Features of the Trask Billet Aluminum Swingarm for Harley-Davidson Softail:

  • Weight Reduction: 25% lighter than stock (26.8 lbs vs. 20 lbs) for enhanced performance and agility.

  • Superior Construction:

    • Precision-machined T6061 Billet Aluminum for superior strength and durability.
    • Stainless Steel Axle for ultimate reliability.
    • Pocketed joints reduce weight without sacrificing strength.
    • Bolt-on assembly for quick and easy installation—no welding required.
  • Increased Rigidity: Provides enhanced control and a smoother ride, especially through corners.

  • Lighter, Stronger, Faster: Aerospace-grade aluminum construction reduces weight by 25% without compromising durability.

  • Customizable: Comes raw and disassembled, so you can add your personal touch and make a bold statement on the road.

  • Adjustable Length: Adjust the swingarm length up to 2” for improved control during launches and enhanced stability.

  • Complete Kit: Includes brake caliper mount, brake line, stainless axle, and all necessary hardware for direct factory replacement.

  • Made in the USA: Proudly manufactured in Phoenix, Arizona.

Transform your Harley-Davidson Softail into a performance machine with the Trask Billet Aluminum Swingarm. Whether you're carving corners or dominating the streets, this swingarm is engineered to help you ride like a champion.

Please Note:

  • Does not fit wide tire (240mm) applications.
  • California customers: Please email us for purchasing details.
  • Current lead time: 4+ weeks. Contact us to confirm availability.
Fitment

Fits Harley-Davidson Softail Models - 2018 to Present

Not sure it fits your bike? Call 715-235-3659 or chat with us on the site and a tech can confirm it with you.

Specifications & Installation
BrandTrask Performance
Part number106857
Product typeSwingarm
Weight Reduction25% lighter than stock (26.8 lbs vs. 20 lbs) for enhanced performance and agility
Superior ConstructionPrecision-machined T6061 Billet Aluminum for superior strength and durability
Increased RigidityProvides enhanced control and a smoother ride, especially through corners
CustomizableComes raw and disassembled, so you can add your personal touch and make a bold statement on the road
Adjustable LengthAdjust the swingarm length up to 2” for improved control during launches and enhanced stability
Complete KitIncludes brake caliper mount, brake line, stainless axle, and all necessary hardware for direct factory replacement
Made in the USAProudly manufactured in Phoenix, Arizona
California customersPlease email us for purchasing details

Want it installed right? Book the Nowaskey Speed Shop or call 715-235-3659.

Billet Aluminum Swingarm Kit - 18+ Softail

$2,999.95

Questions Riders Ask

Will this fit my bike?

Fits Harley-Davidson Softail Models - 2018 to Present.

Save your bike with Shop by Bike and we check it for you. Not sure? Call or chat with us on the site and a tech can confirm it with you.

What's the part number?

Manufacturer part number TM-3220. Our item number is 106857.

What do riders buy with this?
Can I install it myself?

Most riders with basic tools and a service manual can. The Specifications & Installation tab lists difficulty, time and guides where we have them. Prefer a pro install? Book a Speed Shop slot and call to check current availability.

Who do I talk to after I buy?

Our techs. Call 715-235-3659 or chat with us on the site and you will reach the people who know these parts.

Still have a question? Call 715-235-3659 or chat with us on the site.

Frequently bought together

  • This itemBillet Aluminum Swingarm Kit - 18+ Softail$2,999.95
  • Fork Leg Assembly Rebuild Kits (Fork Seal kit) 41MM & 49MM
  • Floating Wave Rear Brake Rotor - 11.5" and 11.8"
  • Brembo 108mm M4 Front Calipers (Hub Mount)
Total:

4.8 Star Rating★★★★★From 489 Reviews
Made in the USAOn All Nowaskey Products
Lifetime WarrantyOn Nowaskey Brand Products
20+ YearsExperience
Expert SupportReal Rider Phone Support
Tested InKing of the Baggers
FinancingAvailable

Premium Performance Parts

Race-proven suspension, front ends and brakes we stand behind

Nowaskey race bagger leaned over in a corner on track
Real Riders to real results

Track-proven Performance

Nowaskey Extreme Performance is a Harley-Davidson suspension and performance shop in Menomonie, Wisconsin. We design our own shocks, fork cartridges and front-end packages, test them in King of the Baggers racing, and back Nowaskey-brand products with a lifetime warranty.

Every setup is matched to your bike, your weight and the way you ride.

20+ Years Experience
KOTB & Race Tested
4.8★ 489 Reviews
Lifetime Warranty