--- product_id: 470476486 title: "CUNCUI 2pcs Bike Seat Clamps 31.8mm, Seatpost Clamp, Premium Bike Seat Clamp, Inside Diameter of Seat Tube Clamp 31.8mm (Black)" brand: "cuncui" price: "VT2863" currency: VUV in_stock: true reviews_count: 9 category: "Cuncui" url: https://www.desertcart.vu/products/470476486-cuncui-2pcs-bike-seat-clamps-31-8mm-seatpost-clamp-premium store_origin: VU region: Vanuatu --- # Quick-release lock - effortless seat adjustments 6061 aluminum alloy - lightweight & durable Fits 31.8mm seat tubes - versatile multi-bike compatibility CUNCUI 2pcs Bike Seat Clamps 31.8mm, Seatpost Clamp, Premium Bike Seat Clamp, Inside Diameter of Seat Tube Clamp 31.8mm (Black) **Brand:** cuncui **Price:** VT2863 **Availability:** ✅ In Stock ## Summary > 🚴‍♀️ Lock in comfort, unlock your ride’s potential! ## Quick Answers - **What is this?** CUNCUI 2pcs Bike Seat Clamps 31.8mm, Seatpost Clamp, Premium Bike Seat Clamp, Inside Diameter of Seat Tube Clamp 31.8mm (Black) by cuncui - **How much does it cost?** VT2863 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/470476486-cuncui-2pcs-bike-seat-clamps-31-8mm-seatpost-clamp-premium) ## Best For - cuncui enthusiasts ## Why This Product - Trusted cuncui brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual-Pack Value:** Two clamps in one package means double the upgrade for under $10—because quality shouldn’t break the bank. - • **Sleek Matte Black Finish:** Modern aesthetic that blends perfectly with your bike’s style, making every ride look as good as it feels. - • **Premium 6061 Aluminum Build:** Engineered for strength and featherlight performance, ensuring your ride stays smooth and secure. - • **Universal Fit for 31.8mm Tubes:** Seamlessly compatible with most mountain, trail, and indoor bikes—upgrade your setup without hassle. - • **Effortless Quick-Release Design:** Adjust your seat height in seconds without tools—ride-ready convenience at your fingertips. ## Overview The CUNCUI 2pcs Bike Seat Clamps are precision-crafted from lightweight 6061 aluminum, designed to fit 31.8mm seat tubes with a quick-release mechanism for fast, tool-free adjustments. Ideal for mountain, trail, and indoor bikes, this dual-pack offers durable, secure seating with a sleek black finish—perfect for riders who demand both style and performance. ## Description Product description About Us What Cuncui delivers is not only household products . Each product comes from our designers' most meticulous experience of life. Bicycle Quick Release Seat Post Collar Bicycle Quick Release Seat Post Collar is a durable and lightweight alternative , and adjustable quick release to alter the height of your saddle for however you ride. Secure your seat post and saddle with the quick-release lever. Tighten the seat post clamp while setting your saddle height and experience zero slippage. Enjoy a seat post clamp that doesn’t slip on your frames seat tube with our clever internal notch. Suitable Size The inner and outer diameter of your frame's seat post tube before buying. This ensures a correctly fitted quick release clamp. High Quality Material It is made of hard-wearing aluminum alloy, which is stable and long life, has excellent elasticity and fatigue resistance, durable metal allow for better and smooth operation, provide additional durability for appropriate tension and variable precision. Unique Design Ergonomic design, without external key tool, more efficient. Quick release bike seat clamp, Seat clamp with extra long quick release lever for added clamping force. You can adjust your bike seat anytime, anywhere, make adjusting seat post height a breeze, super easy to lock and release. ## Features - 【High quality material】Our bicycle seat clamp is made of 6061 aluminum, light and durable, comfortable and safe. - 【Widely used】Suitable for indoor and outdoor use, mountain bike, indoor bike, trail bike can be used, please confirm before ordering this bicycle seat clamp can be installed on your bike seat. - 【Easy to install 】Low-cost solution, let you sit more comfortable, let you ride more smoothly, have a good mood. - 【Compatible with multiple sizes】The inside diameter of the seat clamp is 31.8mm, suitable for 27.2/28.6mm sitting pipe diameter - 【Unique design】Bike clips are quick-release lock design, quick disassembly, making riding more comfortable, stable and safe. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B4V4RY45 | | Best Sellers Rank | #22,979 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #7 in Bike Seat Clamps | | Brand | CUNCUI | | Brand Name | CUNCUI | | Color | Black | | Customer Reviews | 4.5 out of 5 stars 294 Reviews | | Included Components | 2 seat clamps | | Item Dimensions | 2.55 x 2.36 x 0.51 inches | | Item Weight | 0.08 Kilograms | | Item dimensions L x W x H | 2.55 x 2.36 x 0.51 inches | | Manufacturer | CUNCUI | | Material | Aluminum | | Material Type | Aluminum | | Set Name | Bike Seat Clamp Set (2 Piece) | | Style | Modern | | Style Name | Modern | | UPC | 618087197775 | | Unit Count | 2.0 Count | ## Product Details - **Brand:** CUNCUI - **Color:** Black - **Item Weight:** 0.08 Kilograms - **Item dimensions L x W x H:** 2.55 x 2.36 x 0.51 inches - **Manufacturer:** CUNCUI - **Material:** Aluminum - **Style:** Modern - **UPC:** 618087197775 ## Images ![CUNCUI 2pcs Bike Seat Clamps 31.8mm, Seatpost Clamp, Premium Bike Seat Clamp, Inside Diameter of Seat Tube Clamp 31.8mm (Black) - Image 1](https://m.media-amazon.com/images/I/61bQLz4zJDL.jpg) ![CUNCUI 2pcs Bike Seat Clamps 31.8mm, Seatpost Clamp, Premium Bike Seat Clamp, Inside Diameter of Seat Tube Clamp 31.8mm (Black) - Image 2](https://m.media-amazon.com/images/I/81v-QquK02L.jpg) ![CUNCUI 2pcs Bike Seat Clamps 31.8mm, Seatpost Clamp, Premium Bike Seat Clamp, Inside Diameter of Seat Tube Clamp 31.8mm (Black) - Image 3](https://m.media-amazon.com/images/I/81bT9h22h1L.jpg) ![CUNCUI 2pcs Bike Seat Clamps 31.8mm, Seatpost Clamp, Premium Bike Seat Clamp, Inside Diameter of Seat Tube Clamp 31.8mm (Black) - Image 4](https://m.media-amazon.com/images/I/81FUYRcsQ1L.jpg) ![CUNCUI 2pcs Bike Seat Clamps 31.8mm, Seatpost Clamp, Premium Bike Seat Clamp, Inside Diameter of Seat Tube Clamp 31.8mm (Black) - Image 5](https://m.media-amazon.com/images/I/812oWH+C3GL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by B***N on October 30, 2024* ### ⭐⭐⭐⭐⭐ Review *by P***A on January 24, 2026* ### ⭐⭐⭐⭐⭐ Review *by A***R on December 29, 2025* ## Frequently Bought Together - CUNCUI 2pcs Bike Seat Clamps 31.8mm, Seatpost Clamp, Premium Bike Seat Clamp, Inside Diameter of Seat Tube Clamp 31.8mm (Black) - Boenoea Bike Seatpost, Bicycle Seat Post 25.4 27.2 28.6 30.4 30.9 31.6 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX - Comfortable Seat Cushion for Men Women with Dual Shock Absorbing Ball Memory Foam Waterproof Wide Bicycle Saddle Fit for Road Bikes --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/470476486-cuncui-2pcs-bike-seat-clamps-31-8mm-seatpost-clamp-premium](https://www.desertcart.vu/products/470476486-cuncui-2pcs-bike-seat-clamps-31-8mm-seatpost-clamp-premium) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-07*