Alloy Seat Post Clamp with Rack Mount, Bicycle Rack Mount Luggage Carriers | Adapter Extend Clamps Quickly Release Clamps for 33.5�C34.9 mm diameter Adaptor Sleeves

Features:Fits 33.5 34.9mm diameter seat posts, solving compatibility issues for various bike frames Perfect for mountain bikes, road bikes, and commuting upgrades without additional modificationsMake of aerospace grade aluminum alloy, offering 30% highe strength than standard iron clamps Reduces weight while ensuring stability for long rides and backpacking tripsFeatures a patented quickly systems for 3 second setups without tool Ideal for campers and multipurpose riders needing fast adjustments or emergencies fixes on the goBuilt in silicone buffer pad reduce rattling on road Effectively prevents cargo rack loosening on gravels paths or speed bumps for safe cyclingMeets international export standards and passes major e commerce platform inspections Ensures reliability and durabilitySpecifications:Sizes: 51x40x41.5mm / 2.01×1.57×1.63inComponent: Aluminum alloys Package Includes:1pc Bicycles Seat Post Shelf Note:1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order2.Due to the differences between different monitors, the picture may not reflect the actual color

• Material: Aluminum alloy, black anodized, light and strong, ergonomic design, efficient and comfortable, quick release/clamping seat bar.
• Quiet Ride, Secure Hold: Features a built-in silicone buffer pad that reduces rattling on rough roads. Prevents cargo rack loosening over gravel paths or speed bumps, keeping your gear safe and stable ride after ride.
• Quick Release: Patented quick-release system lets you adjust or remove the clamp in seconds—no tools required. Ideal for campers, touring riders, or anyone who needs fast roadside fixes and hassle-free adjustments.
• Universal Fit for Most Bikes: Designed to fit 33.5–34.9mm diameter seat posts, this clamp solves compatibility headaches across mountain bikes, road bikes, and commuters—no extra modifications needed.