2Pcs Boat Trailer Bearing Protectors with Covers, Stainless Steel Wheel Center Grease Cap, 2.717in Diameter Auto Check Grease Level, for Trailer Axle Hubs

Item Type: Boat Trailer Bearing ProtectorMaterial: Stainless Steel + Aluminum AlloySize: 2.717in diameterFitment: for Boat TrailerPackage List：2 x Bearing Protectors

• Auto Check Grease Level: These boat trailer bearing protectors feature a transparent window that lets you monitor grease levels anytime without removal, keeping dirt and water out while ensuring your trailer bearings stay properly lubricated for smooth, reliable performance on every trip.
• Stainless Steel Construction: Made from high-grade stainless steel, these trailer wheel bearing protectors resist rust, scratches, and wear, delivering long-lasting strength even in harsh marine environments where saltwater and road debris can quickly damage ordinary caps.
• Universal Trailer Compatibility: Designed specifically for boat trailers with a 2.717-inch hub diameter, these bearing caps fit most standard trailer axles, making them ideal for boat owners, weekend anglers, and marine transport professionals who need dependable wheel maintenance solutions.
• Double-Sided Protection: The bearing protectors include high on both sides to lock grease in and block water, sand, and contaminants out, significantly reducing the risk of bearing failure and extending the life of your trailer’s wheel assembly during frequent launches and hauls.
• Tool-Free Installation: These trailer axle grease caps install quickly and securely by hand—no special tools required—so you can replace worn or damaged caps in minutes, getting back on the road or water faster while maintaining optimal protection for your trailer hubs.