1. & Weather-Resistant Bike Rack: Crafted from high-strength aluminum alloy and stainless steel screws, this rear bike rack is built to withstand harsh weather conditions. With a weight capacity of 110 lbs, it's perfect for daily commutes, bike cargo rack needs, or long-distance cycling adventures. 2.Universal Bike Rear Rack Compatibility: Designed to fit most mountain bikes, this bike rear rack accommodates round seat posts up to 1.3 inches (3.3 cm) in diameter. Note: Not compatible with soft-tail, carbon fiber, folding, small wheel, or rear suspension bikes. Ideal for bike trailer and bike basket rear setups. 3.W-Shaped Design for Enhanced Protection: The innovative W-shaped design prevents your bike basket rear or cargo from scratching against the wheel or spokes. This ensures and secure transportation of your belongings, making it a reliable bike cargo rack solution. 4.Safety-Focused Rear Bike Rack: Equipped with a red rear reflector, this bike rear rack enhances visibility during nighttime rides. Whether you're commuting or cycling late, this feature ensures you stay and visible, making it a top choice for bike trailer and cargo needs.