Raceline RT81 Rock 8 17x9.5in/5x139.7 BP/-44mm Offset/107.95mm Bore - Gloss Black Beadlock Wheel

Built for the Rocks: Steel Beadlock Performance in a 17x9.5 Fitment

The Raceline RT8179555 RT81 Rock 8 delivers proven off-road wheel technology in a 17x9.5 inch steel beadlock design sized for serious rock crawling, trail running, and off-road competition. With a 5x139.7 bolt pattern, -44mm offset, and 107.95mm bore, this wheel fits a wide range of Jeep and full-size truck applications. The RT81 Rock 8 uses a 32-bolt beadlock clamping ring system with grade 8 zinc hardware to keep your tire bead seated under the most extreme flex and low-pressure situations. When airing down to single digits for maximum traction, this beadlock setup maintains grip between the tire and rim without risk of debeading. The RCLRT8179555 is manufactured by Allied Wheel and sold under the Raceline brand as part of their dedicated off-road lineup.

Key Features

• 32-bolt steel beadlock clamping ring with grade 8 zinc hardware
• 17x9.5 inch diameter and width for aggressive off-road tire fitment
• 5x139.7 bolt pattern fits Jeep JK, JL, Gladiator, Dodge Ram, and other truck platforms
• -44mm offset pushes the wheel outward for improved stance and clearance
• 107.95mm hub bore for proper centering on supported applications
• Heavy-duty steel construction resists rock strikes, trail hazards, and bead damage
• Gloss black finish for a clean, aggressive appearance
• Allows safe tire operation at very low air pressures for maximum off-road traction
• Compatible with beadlock-legal off-road events and competitions
• Part of the Raceline RT81 Rock 8 family, purpose-built for rock crawling use

Fitment

Specifications

What's Included

• 1x Raceline RT81 Rock 8 17x9.5 beadlock wheel (gloss black)
• 32 grade 8 zinc beadlock ring bolts
• Beadlock outer ring (pre-installed)

About Raceline Wheels

Raceline is an Allied Wheel brand with decades of experience producing high-performance wheels for off-road and racing applications. The RT81 Rock 8 sits at the core of their off-road beadlock lineup, combining steel durability with a purpose-designed beadlock ring system trusted by rock crawlers and trail riders across North America. Raceline wheels are designed and tested for real-world off-road abuse, from competition rock crawling circuits to daily trail use.

Frequently Asked Questions

The RT8179555 uses a 5x139.7 bolt pattern, which fits 2007-2018 Jeep Wrangler JK, 2018-2024 Wrangler JL, 2020-2024 Gladiator JT, 2002-2010 Dodge Ram 1500, 2003-2009 Ram 2500, and select 1997-2004 Ford F-150 applications. Always verify hub bore and offset compatibility with your specific suspension setup before ordering.

A beadlock wheel uses a clamping ring bolted around the outer bead of the tire to physically lock it in place. When airing down to very low pressures (5-10 PSI or less) for maximum off-road traction, a standard wheel risks debeading the tire. The RT81 Rock 8 prevents this, letting you run extreme low pressures safely on rocks and technical terrain.

Beadlock wheels are generally not DOT-approved for highway use in the United States. They are intended for off-road, competition, and track use. Check your local regulations before using beadlock wheels on public roads. Many off-road enthusiasts use beadlock wheels exclusively on dedicated trail and race vehicles.

The 17x9.5 size with -44mm offset accommodates a wide range of off-road tires. Common pairings include 35x12.50R17, 37x12.50R17, 315/70R17, and 35x13.50R17 tires depending on suspension lift and fender clearance. Consult your tire manufacturer for load ratings and fitment recommendations.

Inspect and re-torque the 32 beadlock ring bolts to the manufacturer specification (typically 15-20 ft-lbs) before each off-road outing and after any hard impact. Check for cracked or damaged bolts and replace with the correct grade 8 hardware. Clean the ring and mounting surface to prevent corrosion buildup between the ring and wheel face.

The -44mm offset is a negative offset, meaning the wheel face is pushed outward from the hub centerline. This widens the track width significantly compared to a zero or positive offset wheel, giving a wider stance, improved stability, and more clearance for large off-road tires. This aggressive offset is typical for rock crawling applications.

While spacers can be used with the RT8179555, the -44mm offset already provides significant outward positioning. Adding spacers extends the wheel further outward, which may cause interference with fenders, suspension components, or exceed safe hub engagement length. Always verify that lug nut engagement depth remains safe (minimum 1x thread diameter) when using spacers.

Exact load ratings vary by specific variant. Steel construction generally provides high load capacity suitable for full-size trucks and Jeep applications. Refer to Raceline's official product documentation for the rated load capacity for this specific 17x9.5 variant before use in heavy-duty truck applications.

Yes. The 32 grade 8 bolts hold the outer beadlock ring in place. The ring can be removed for tire mounting, cleaning, or replacement if damaged. Replacement hardware is available separately through Raceline and authorized dealers including the Raceline RBL-BOLT1 beadlock bolt kit.

Installation Notes

1. Verify bolt pattern, hub bore, and offset compatibility with your vehicle and suspension before mounting
2. Mount the tire onto the wheel, seating the inner bead fully before installing the beadlock ring
3. Position the outer beadlock ring over the tire bead and align all 32 bolt holes
4. Install all 32 grade 8 bolts by hand, then torque in a star pattern to manufacturer specification (typically 15-20 ft-lbs)
5. Inflate tire to desired pressure and inspect the bead seal around the full circumference
6. Mount the wheel on the vehicle using the correct lug nuts for your application
7. Torque wheel lug nuts to vehicle manufacturer specification
8. Re-torque beadlock ring bolts after first off-road use

WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.