Performance Machine Formula 21″ x 3.5″ Front Wheel For Harley Touring (2008–2025)
Track-Inspired 5-Spoke Performance & Forged CNC Strength for Modern Baggers
Elevate the front-end profile and cornering performance of your bagger with the Performance Machine Formula 21″ x 3.5″ Front Wheel. Precision-engineered for 2008 through 2025 Harley-Davidson Touring models, the Formula style features a clean, racing-inspired 5-spoke layout designed to provide maximum structural rigidity while significantly cutting down unsprung rotational weight.
Precision CNC-machined from radial forged billet aluminum, the PM Formula wheel delivers crisp turn-in feedback, reduced rolling inertia, and improved front suspension responsiveness. Available in high-luster Chrome, Gloss Black, and PM’s signature Platinum Cut finishes, this 21-inch front wheel gives your Road Glide, Street Glide, or Road King an aggressive, elevated stance without sacrificing long-haul touring reliability.
Technical Specifications & Product Details
| Feature / Metric | Product Specification | Rider Benefit |
|---|---|---|
| Brand / Manufacturer | Performance Machine (PM) | Industry benchmark in custom American V-Twin forged aluminum wheels and braking components |
| Wheel Design / Style | Formula 5-Spoke Racing Design | Timeless, race-inspired split-spoke geometry that highlights brake hardware and reduces weight |
| Wheel Dimensions | 21″ Diameter x 3.5″ Width | Fills the front fender arch for a tall, custom stance while supporting standard 21″ touring tires |
| Material / Construction | CNC-Machined Radial Forged Billet Aluminum | Superior grain structure strength designed to handle heavy touring frame loads and road impacts |
| Brake & Hub Fitment | ABS & Non-ABS Applications / 25mm Sealed Bearings | Direct application hub setup tailored specifically for 2008–2025 Harley Touring front ends |
Forged Engineering & Custom Bagger Dynamics
### Radial Forged Aluminum Strength
Unlike standard cast wheels that can trap microscopic air pockets, Performance Machine wheels begin as solid radial forged aluminum blanks. Subjected to massive hydraulic pressure, the aluminum’s grain structure aligns along directional stress lines. This allows PM engineers to carve out sleek, minimal 5-spoke Formula profiles without compromising high-speed stability or load capacity under full two-up touring conditions.
### The 21-Inch Big-Wheel Advantage
Stepping up to a 21″ x 3.5″ front wheel elevates your motorcycle’s front stance, filling the fender gap and providing an elongated, custom-bagger profile. The 3.5-inch rim width accommodates standard touring front tires, keeping a predictable contact patch and linear steering transition through sweeping highway turns.
Vehicle Compatibility Guide
Performance Machine Formula 21″ x 3.5″ Front Wheels are engineered for direct fitment on 2008–2025 Harley-Davidson Touring models in ABS and Non-ABS configurations:
### Compatible Harley-Davidson Touring Models (2008–2025)
- Harley-Davidson Street Glide: FLHX, FLHXS, FLHXST, FLHXSE (2008–2025)
- Harley-Davidson Road Glide: FLTR, FLTRX, FLTRXS, FLTRU, FLTRK, FLTRSE (2008–2025)
- Harley-Davidson Electra Glide / Ultra Limited: FLHT, FLHTCU, FLHTK (2008–2025)
- Harley-Davidson Road King: FLHR, FLHRC, FLHRXS (2008–2025)
Fitment Note: Compatible matching PM brake rotors or rotor adapter hardware may be required depending on application. Ensure proper front fender clearance when upgrading from stock 16″, 17″, 18″, or 19″ front wheels (fender relocation brackets or dedicated 21″ wrap fenders recommended). Select the correct hub option for your bike’s ABS or Non-ABS braking system.
Step-by-Step DIY Installation Overview
Installing a Performance Machine custom front wheel is a straightforward bolt-on procedure for experienced home mechanics. Estimated installation time: 1.5 to 2.5 hours.
### Required Tools
- Motorcycle Frame Jack / Center Lift
- 3/8″ & 1/2″ Drive Torque Wrenches
- Allen / Torx Socket Set (for caliper and axle pinch bolts)
- Blue Threadlocker (Loctite 243) and heavy axle grease
### Step 1: Motorcycle Elevation & Front Wheel Removal
Secure the motorcycle safely on a frame jack until the front tire clears the ground. Unbolt the dual front brake calipers and hang them securely to prevent tension on hydraulic lines. Loosen axle pinch bolts, remove the main axle nut, and slide out the axle shaft to release the stock front wheel.
### Step 2: Mounting Tire & Brake Rotors
Mount a quality 21″ front touring tire onto the PM Formula wheel and dynamically balance the assembly. Bolt your matching brake rotors onto the wheel hub using new grade-8 hardware prepped with blue threadlocker. Torque all rotor bolts in a cross-pattern to manufacturer specifications.
### Step 3: Final Wheel Mounting & Alignment
Apply a thin layer of axle lubricant to the front axle shaft. Slide the PM Formula wheel into place with the proper axle spacers (and magnetic ABS encoder bearing on the proper side for ABS models). Slide the axle through, torque the main axle nut to factory specs, tighten pinch bolts, reattach brake calipers, pump the brake lever to restore pressure, and perform a slow-speed test ride.
Frequently Asked Questions
### Will a 21″ front wheel fit under my stock Harley Touring fender?
On most 2008–2025 Harley Touring models, you can run a 21″ x 3.5″ wheel under the stock front fender by using simple fender relocation brackets or elongating the rear fender mounting holes. For the cleanest custom look, many riders opt for a custom 21″ wrap fender.
### How do I select the correct hub option for ABS vs. Non-ABS?
ABS-equipped Harley models use a specific wheel bearing containing a magnetic encoder ring (typically marked with a distinct seal color). When ordering your PM Formula wheel, select the hub option that matches your motorcycle’s braking system to ensure accurate ABS operation without gauge lights.
### Order Your PM Formula 21″ x 3.5″ Front Wheel Today
Transform your 2008–2025 Harley Touring motorcycle with track-inspired 5-spoke style, forged structural strength, and show-stopping appeal. Order your **Performance Machine Formula 21″ x 3.5″ Front Wheel** today with fast shipping!
