Origin8 4mm Alloy O-Ring Gear Ferrules | Low-Friction, Sealed Bike Housing Material_Wool this hub adapter enables seamless

this hub adapter enables seamless installation of 6-bolt/44mm BCD disc rotors on a 35mm-spline Center Lock hub

or casual mountain bikers

and clean-simply open

making it the preferred choice for firefighters

Origin8 4mm Alloy O-Ring Gear Ferrules | Low-Friction, Sealed Bike Housing Material_Wool this hub adapter enables seamlessEnhance your bicycle's shifting and braking performance with the Origin8 O Ring Gear Ferrules. Crafted from high quality alloy, these 4mm black ferrules are engineered for durability and optimal functionality. Featuring an integrated O ring seal, they provide superior low friction performance even in challenging, high contamination environments such as muddy or wet rides, ensuring smooth operation every time. Designed specifically for gear housing,