PRIME Powersport Serie-Oro Rotor

Part Number 78B40822 (136786593)

UPC: 8020584622322

Package contents: 1 Each per Box

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Description

Brembo Serie Oro brake discs are designed to be a direct replacement for Original Equipment discs, ensuring seamless compatibility. They feature a stainless steel braking band connected to a CNC-machined, anodized aluminum alloy hub using precision drive pawls. Drawing on decades of expertise, Brembo has carefully engineered the optimal geometries, tolerances, and dimensions to suit a wide range of motorcycles and riding conditions. Thanks to meticulous design and manufacturing, these discs deliver superior braking torque transfer and enhanced durability under both thermal and mechanical stress. Introduced in the mid-1970s, the Serie Oro line marked Brembo's entry into the racing world, quickly establishing itself as the industry standard for performance brake discs.

Brembo is a global leader in high performance braking systems for automotive, motorcycle, and motorsport applications. With over 50 years of racing experience and more than 1,000 world titles in motorsports, Brembo brings a legacy of innovation, precision engineering, and advanced design to deliver exceptional braking performance for vehicles ranging from everyday autos to Formula 1 and MotoGP. Trusted by top manufacturers and racing teams worldwide, Brembo sets the standard for performance, safety, style, and comfort. Every vehicle deserves Brembo.

Fitment

This part fits the following vehicles.

Harley-Davidson

1979-1985 FLH Electra Glide
2005-2006 FLHRI Road King
1999-2002, 2004-2006 FLHR Road King
1987-1988 FLHS Electra Glide Sport
1983-1998 FLHTC Electra Glide Classic
1996-1998 FLHTCI Electra Glide Classic
1989-1997 FLHTCU Electra Glide Ultra Classic
1995-1998 FLHTCUI Electra Glide Ultra Classic
1986-1988, 1999, 2004-2006 FLHT Electra Glide Standard
1988-1999 FLSTC Heritage Softail Classic
1990-1999 FLSTF Fat Boy
1986-1990 FLST Heritage Softail
1993 FLSTN Heritage Softail Nostalgia
1994-1996 FLSTN Heritage Softail Special
1982-1993 FLTC Tour Glide Classic
1999-2005 FLTRI Road Glide
1999 FLTR Road Glide
1980-1983 FLT Tour Glide
1991-1992 FXDB-D Dyna Glide Daytona
1991 FXDB-S Dyna Glide Sturgis
1993-1998 FXDL Dyna Low Rider
1993-2002, 2004-2006 FXDWG Dyna Wide Glide
2004-2006 FXDWGI Dyna Wide Glide
1999-2002, 2004-2005 FXDX Dyna Super Glide Sport
2004-2005 FXDXI Dyna Super Glide Sport
1987-1988 FXLR Low Rider Custom
1987 FXRC Low Rider Chrome
1986 FXRD Sport Glide Grand Touring
1987-1988 FXRPF Police
1990-1994 FXRS-Conv Low Rider Sport Convertible
1985-1992 FXRS Low Glide
1986-1993 FXRS-SP Low Rider Sport
1982-1994 FXR Super Glide II
1985-1992 FXRT Sport Glide
1986-1999 FXSTC Softail Custom
1984-1988 FXST Softail Standard
1988-1999 FXSTS Springer Softail
1980-1986 FXWG Wide Glide
2006-2009 XL883C Sportster 883 Custom
2004-2008 XL883 Sportster
1978-1979 XLCH
1978 XLCR Cafe Racer
1978-1981 XLH1000
1988-1999 XLH1200
1986-1996 XLH883DLX Sportster 883 Deluxe
1987-1999 XLH883HUG Sportster 883 Hugger
1970 XLH900
1979-1984 XLS Roadster

Features & benefits

SUPERIOR PERFORMANCE: Improved Performance and handling
IDEALIZED SPOKES: Optimized structural spokes to transmit braking torque effectively
HEAT DISSIPATION: Engineered with specific holes pattern for better heat dissipation
This rotor has counterbore mounting holes
OE QUALITY: Exceeds or equivalent OE fit, form, function
Pins allow for controlled movement, enabling expansion, while maintaining tolerances
Stainless steel braking band connected by pins to an anodized aluminum bell
Ultra-close manufacturing tolerances guarantee flatness and concentricity
100% interchangeable design that's built to meet or exceed OE standards
Specially placed hole pattern promotes improved heat dissipation
DuraGo Electrophoretic Brake Rotors are thoroughly coated including the inner vanes. Unlike a sprayed on paint, the rotor is fully immersed into a tank and coated by the process of Electrophoretic deposition. During the process, resin particles are suspended within a liquid medium and have a charged placed upon them. Under a charged current, the coating particles migrate to the rotor and are deposited onto all exposed surfaces, resulting in a highly corrosive resistant and durable coating
Pursuit Rotors utilize GG20HC High Carbon Metallurgy for improved heat dissipation and distortion resistance, resulting in better-stopping power with reduced noise and vibration
Metallurgy - Each DuraGo Brake Rotor is engineered to SAE J431 metallurgical standards, delivering exact metallurgy characteristics for consistent quality, strength and performance
Engineered for extreme durability and meet all requirements of fit, form and function
DuraGo Titanium Series (DTS) brake rotors feature a gray corrosion resistant coating that provides lasting protection to the hat and edge of the rotor

Specifications

Center Hole Diameter	50.5 mm
Construction	Two-Piece
Country Of Origin	IT
Floating	Yes
Grade Type	Premium
Mounting Bolt Hole Circle Diameter	82.5 mm
Nominal Thickness	5 mm
Offset	0 mm
Outside Diameter	292 mm
Stud/Lug Hole Diameter	8.5 mm
Stud/Lug Hole Quantity	5
Weight	1.38 kg

Warranty

2 Years