Brembo Powersports - bre78B40846 - Serie Oro Front Floating Brake Disc

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 700 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 cars to Formula 1. Trusted by top manufacturers and racing teams worldwide, Brembo sets the standard for safety, style, and performance. Every vehicle deserves Brembo

• IDEALIZED SPOKES: Optimized structural spokes to transmit braking torque effectively
• Pins allow for controlled movement, enabling expansion, while maintaining tolerances
• HEAT DISSIPATION: Engineered with specific holes pattern for better heat dissipation
• 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
• OE QUALITY: Exceeds or equivalent OE fit, form, function
• SUPERIOR PERFORMANCE: Improved Performance and handling

The Brembo Powersports Serie Oro bre78B40846 front floating brake disc is designed as a direct replacement for original equipment discs on compatible BMW motorcycles. Its stainless steel braking band connects to a CNC-machined, anodized aluminum alloy bell through precision drive pins, supporting controlled movement during thermal expansion while maintaining operating tolerances.

Optimized structural spokes help transmit braking torque effectively, while the specially engineered hole pattern promotes heat dissipation. Close manufacturing tolerances support flatness and concentricity, and the interchangeable design is built to meet or exceed OE standards for fit, form, and function. Brembo Serie Oro brake discs draw on the brand's longstanding experience in high-performance motorcycle and motorsport braking systems.

Key Features & Performance Benefits

• Floating construction: Stainless steel braking band connected by pins to an anodized aluminum bell.
• Optimized torque transfer: Structural spokes are engineered to transmit braking torque effectively.
• Heat management: Specific hole placement promotes improved heat dissipation.
• OE-style replacement: Close manufacturing tolerances and interchangeable design support OE-level fit, form, and function.

Key Product Specifications & Technical Data

• Brand: Brembo Powersports
• Series: Serie Oro
• Part number: bre78B40846
• Part type: Powersports brake disc
• Position: Front
• Design: Floating
• Brake band material: Stainless steel
• Bell material: Anodized aluminum alloy

What's Included in the Box

One Brembo Powersports Serie Oro front floating brake disc.

Fitment

Fits 1983-1988 BMW K100RS, 1988-1990 BMW K1, and 1984-1991 BMW K100RS as listed in the supplied fitment data.

Fitments:
1983 BMW K100RS Base
1984 BMW K100RS Base
1985 BMW K100RS Base
1986 BMW K100RS Base
1987 BMW K100RS Base
1988 BMW K1 Base
1988 BMW K100RS Base
1989 BMW K1 Base
1990 BMW K1 Base
1991 BMW K1 Base
1991 BMW K100RS FL Base
1991 BMW K100RS FL ABS Base
1992 BMW K1 Base
1992 BMW K100RS FL Base
1992 BMW K100RS FL ABS Base
1993 BMW K1 Base
1993 BMW K1100LT Base
1993 BMW K1100RS Base
1993 BMW R1100RS Base
1994 BMW K1100LT Base
1994 BMW K1100RS Base
1994 BMW R1100RS Base
1994 BMW R1100RS ABS Base
1994 BMW R1100RT Base
1995 BMW K1100LT Base
1995 BMW K1100RS Base
1995 BMW R1100R Base
1995 BMW R1100RS ABS Base
1995 BMW R1100RT Base
1995 BMW R850R Base
1996 BMW K1100LT Base
1996 BMW K1100RS Base
1996 BMW K1100RS SE Base
1996 BMW R1100R Base
1996 BMW R1100RS ABS Base
1996 BMW R1100RT Base
1996 BMW R850R Base
1996 BMW R850R Abs Base
1997 BMW K1100LT Base
1997 BMW K1100LT High Line Base
1997 BMW K1100LT Special Edition Base
1997 BMW R1100R Base
1997 BMW R1100RS ABS Base
1997 BMW R1100RT Base
1997 BMW R850R Base
1997 BMW R850R Special Edition Base
1998 BMW K1100LT Base
1998 BMW R1100R Base
1998 BMW R1100RS ABS Base
1998 BMW R1100RT Base
1998 BMW R850R Base
1999 BMW K1100LT Base
1999 BMW R1100R Base
1999 BMW R1100RS ABS Base
1999 BMW R1100RT Base
1999 BMW R850R Base
2000 BMW R1100R Base
2000 BMW R1100RS ABS Base
2000 BMW R1100RT Base
2000 BMW R1100RT SE Base
2000 BMW R850R Base
2001 BMW R1100RS ABS Base
2001 BMW R1100RT Base
2001 BMW R850R Base

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1