Bitubo Adjustable Front Fork Cartridge Kit | HD011JBH72WO

Front-fork cartridge conversion kit for the exact Harley-Davidson applications listed below.

Specifications

• Brand: Bitubo
• Manufacturer part number: HD011JBH72WO
• Pressurized front-fork cartridge kit
• Adjustments: spring preload, rebound damping and compression damping
• Fork oil is not included.
• Black adjustment rings
• Kit for a +50 mm fork-extension configuration. The exact manual identifies extension bushing 50640103 as not installed on the cartridge. Final installed fork length and vehicle ride height depend on the chosen components and installation.
• Application-specific lowering adjustment: down to -10 mm.

Fitment and installation

• Manufacturer and distributor catalogs identify FLHTK, FLHXS and FLTRXS applications beginning with model year 2017.
• The exact 2025 product manual directs fitment verification to the product label. Confirm this full part number and the exact motorcycle model and model year on that label before ordering or installation. These starting years are not blanket approval of every later year.

Package contents

• One left/right front-fork cartridge kit, containing two cartridges.
• Lowering kit and application-specific installation instructions.

Installation notes

• Bitubo recommends removing the fork slider cover or replacing it with a +2 in. extended cover (referenced Harley-Davidson part 48862-10, length 26.85 in.). Always check slider-cover clearance. A replacement cover is not claimed as included.
• Designed for road use only. Off-road use may irreversibly impair operation and vehicle control. The cartridge contains pressurized nitrogen gas; have a qualified suspension workshop perform installation and service.
• Installation requires disassembly of the triple-tree/front-fork assembly. Have a qualified suspension workshop perform installation and setup.
• Use the exact application manual for oil viscosity, oil level and initial settings. Obtain fork oil separately.
• Images are generic, not exact-application photographs. Spring dimensions and preload position differ by application; spacer types may vary by production batch.