The Thunderbike Single-Sided Swingarm 21″ is the solution for their 21″ rims on Breakout, FatBoy, and FXDR models from 18-later. It provides the ultimate custom look for your bike while significantly reducing weight compared to steel swingarms.

Features:

• Material: Aluminum
• Color: raw, pre-sanded
• Includes all mounting parts
• Includes belt guard and license plate holder
• Includes brake caliper, brake line, and perimeter brake disc
• Fully prepared for mounting their single-sided rims (9.00×21) with 260/21″ tires – see options here
• Drive belt and Thunderbike pulley are required (must be ordered separately)
• Type approval certificate

Fits: Harley-Davidson Breakout, Fat Boy & FXDR models 18-later. FXDR requires suspension travel limitation.

Note: This swingarm is made to order with a 8-10 week lead time for production.

Install Resources

Mounting Instructions