Bitubo KB1 -10mm Fork Spring & Cap Kit for 2018+ Harley-Davidson FXBB/FXBRS - HD010KB12WO

The Bitubo KB1 Fork Spring & Cap Kit, part number HD010KB12WO, is a front-suspension service and upgrade option for 2018+ Harley-Davidson FXBB/FXBRS. This kit uses spring preload adjustment. It is aimed at riders refreshing the fork or changing the spring setup without replacing the complete front end, keeping the work centered on the spring and cap components specified for the application.

Key Features & Specs:

• Series: KB1 Series
• Product Type: Fork Spring & Cap Kit
• Adjustability: Spring preload
• Lowering: -10 mm
• Ring Color: Black
• Fork Oil: Not included
• Bitubo Configuration: Springs and caps kit adjustable: spring preload, without oil, black ring, Lowering to -10mm
• Weight: 6.61 lb
• Box Dimensions: 45 x 17 x 9 cm
• UPC: 8033914236250
• Part Number: HD010KB12WO

Fitment:

Harley-Davidson:

• FXBB SOFTAIL STREET BOB ST1/YJ 2018-> 1753cc
• FXBRS SOFTAIL BREAKOUT 114 ST1/YH 2018-> 1868cc
• FXBRS ANX SOFTAIL BREAKOUT 114 ST1/YT 2018-> 1868cc

About Bitubo KB1 Series:

The KB1 spring-and-cap kit adds adjustable spring preload and, on applicable V-twin fitments, ride-height or lowering capability while retaining the original fork layout. It is a focused way to change front-end support and stance without a complete fork replacement.

About Bitubo Suspension:

Founded in 1963, Bitubo develops motorcycle suspension and damping systems for street, racing, V-twin, scooter, Vespa, and off-road applications. Bitubo continues to design, engineer, develop, and manufacture its suspension products in Italy, drawing on decades of R&D and competition experience. For Elite Race Fab customers, it is the kind of hardware we like to see: purpose-built components, useful adjustment where the application calls for it, and a clear focus on getting the chassis working the way it should.