Polaris RZR Chromoly Hub - 4140 Chromoly Steel, CNC Machined (Sold in Pairs)
The Last RZR Hub You'll Ever Need — Built for Extreme Speeds and Extreme Terrain
Stop trusting OEM hubs on a machine you're pushing to its limits. The Black Ops Machine RZR Chromoly Hub is precision CNC machined from 4140 chromoly steel — built to handle hard impacts, high mileage off-road racing, and every type of terrain you can throw at it. Sold in pairs because that's the only way to do it right.
Why Serious RZR Riders Choose the Black Ops Machine Chromoly Hub
- 4140 Chromoly Steel – Significantly stronger and more impact-resistant than OEM cast hubs — built to handle the forces of high-speed off-road racing without cracking or deforming.
- CNC Machined for Perfect Fitment – Precision machined to exact tolerances for a direct bolt-on fit with no guesswork or modification required.
- Sold in Pairs – Always replace both hubs on the same axle at the same time — that's how we sell them and that's how they should be installed.
- High Mileage Racing Proven – Designed and tested for all types of off-road racing conditions from loose gravel to whoops to dunes.
- Tested to Failure – Black Ops Machine puts every product through its paces before listing it. We're still waiting for these to break.
- One Less Thing to Worry About – Install these once and focus on riding, not on whether your hubs are going to hold up.
Perfect For
🏜️ Desert racing • 🪨 Rock crawling • 🏖️ Dune riding • 🌲 Trail riding • 🏁 High-speed off-road builds • 💥 Extreme terrain use
Complete Kit Includes
- ✓ Two (2) CNC machined 4140 chromoly steel hubs (pair)
- ✓ All required mounting hardware
Technical Specifications
| Material | 4140 Chromoly Steel |
| Machining | CNC Machined |
| Sold As | Pairs (2 hubs per order) |
| Installation | Direct bolt-on |
| Weight | 18 lbs (pair) |
| Price | $799.90 (pair) |
Vehicle Fitment
- Polaris RZR XP 1000 (all years)
- Polaris RZR Turbo (all years)
- Polaris RZR Pro R / Turbo R (all years)
Why Chromoly Beats OEM RZR Hubs
OEM Polaris RZR hubs are cast from standard steel alloys — adequate for normal riding but not for the impact loads, lateral forces, and high-cycle fatigue of aggressive off-road use. 4140 chromoly steel has a significantly higher tensile strength and impact toughness than standard cast steel, making it the material of choice for high-performance drivetrain components. CNC machining ensures every hub is dimensionally identical and within tolerance — something casting can't guarantee. Hub failure typically results from hard impacts, improper wheel torque, or accumulated fatigue — all scenarios where chromoly's superior material properties provide a meaningful safety margin. When a hub fails, both hubs on the axle need to be replaced — which is exactly why we sell them in pairs. Install them correctly to manufacturer torque specs, re-torque after the first ride, and check periodically. These hubs are built to outlast the machine.
Real Riders, Real Results
"Put these on my XP 1000 after cracking an OEM hub on a rock. The chromoly quality is immediately obvious — these are in a completely different league. Haven't had a single issue through two full seasons of hard desert riding."
"CNC fitment is perfect — bolted right up with no issues. The peace of mind knowing these won't fail when I'm sending it is worth every penny. Best drivetrain upgrade on my RZR."
100% Risk-Free With R1 Protect
✓ 30-Day Returns - Don't love it? Return it hassle-free
✓ Fast Shipping - Quick dispatch on in-stock orders
✓ Expert Support - 801-899-2520 | Real UTV techs
⚡ Ready to Upgrade Your RZR Hubs?
In Stock Now
Join thousands of Polaris riders who trust Black Ops Machine for extreme off-road performance
Stop worrying about your hubs. Upgrade to chromoly once and ride without limits.
Original: $799.90
-65%$799.90
$279.96
Description
The Last RZR Hub You'll Ever Need — Built for Extreme Speeds and Extreme Terrain
Stop trusting OEM hubs on a machine you're pushing to its limits. The Black Ops Machine RZR Chromoly Hub is precision CNC machined from 4140 chromoly steel — built to handle hard impacts, high mileage off-road racing, and every type of terrain you can throw at it. Sold in pairs because that's the only way to do it right.
Why Serious RZR Riders Choose the Black Ops Machine Chromoly Hub
- 4140 Chromoly Steel – Significantly stronger and more impact-resistant than OEM cast hubs — built to handle the forces of high-speed off-road racing without cracking or deforming.
- CNC Machined for Perfect Fitment – Precision machined to exact tolerances for a direct bolt-on fit with no guesswork or modification required.
- Sold in Pairs – Always replace both hubs on the same axle at the same time — that's how we sell them and that's how they should be installed.
- High Mileage Racing Proven – Designed and tested for all types of off-road racing conditions from loose gravel to whoops to dunes.
- Tested to Failure – Black Ops Machine puts every product through its paces before listing it. We're still waiting for these to break.
- One Less Thing to Worry About – Install these once and focus on riding, not on whether your hubs are going to hold up.
Perfect For
🏜️ Desert racing • 🪨 Rock crawling • 🏖️ Dune riding • 🌲 Trail riding • 🏁 High-speed off-road builds • 💥 Extreme terrain use
Complete Kit Includes
- ✓ Two (2) CNC machined 4140 chromoly steel hubs (pair)
- ✓ All required mounting hardware
Technical Specifications
| Material | 4140 Chromoly Steel |
| Machining | CNC Machined |
| Sold As | Pairs (2 hubs per order) |
| Installation | Direct bolt-on |
| Weight | 18 lbs (pair) |
| Price | $799.90 (pair) |
Vehicle Fitment
- Polaris RZR XP 1000 (all years)
- Polaris RZR Turbo (all years)
- Polaris RZR Pro R / Turbo R (all years)
Why Chromoly Beats OEM RZR Hubs
OEM Polaris RZR hubs are cast from standard steel alloys — adequate for normal riding but not for the impact loads, lateral forces, and high-cycle fatigue of aggressive off-road use. 4140 chromoly steel has a significantly higher tensile strength and impact toughness than standard cast steel, making it the material of choice for high-performance drivetrain components. CNC machining ensures every hub is dimensionally identical and within tolerance — something casting can't guarantee. Hub failure typically results from hard impacts, improper wheel torque, or accumulated fatigue — all scenarios where chromoly's superior material properties provide a meaningful safety margin. When a hub fails, both hubs on the axle need to be replaced — which is exactly why we sell them in pairs. Install them correctly to manufacturer torque specs, re-torque after the first ride, and check periodically. These hubs are built to outlast the machine.
Real Riders, Real Results
"Put these on my XP 1000 after cracking an OEM hub on a rock. The chromoly quality is immediately obvious — these are in a completely different league. Haven't had a single issue through two full seasons of hard desert riding."
"CNC fitment is perfect — bolted right up with no issues. The peace of mind knowing these won't fail when I'm sending it is worth every penny. Best drivetrain upgrade on my RZR."
100% Risk-Free With R1 Protect
✓ 30-Day Returns - Don't love it? Return it hassle-free
✓ Fast Shipping - Quick dispatch on in-stock orders
✓ Expert Support - 801-899-2520 | Real UTV techs
⚡ Ready to Upgrade Your RZR Hubs?
In Stock Now
Join thousands of Polaris riders who trust Black Ops Machine for extreme off-road performance
Stop worrying about your hubs. Upgrade to chromoly once and ride without limits.
