--- product_id: 470476486 title: "CUNCUI Bike Seat Clamps 2 pcs, 31.8mm Bicycle Seat Post Clamp-Black" brand: "cuncui" price: "¥2237" currency: JPY in_stock: true category: "Cuncui" url: https://www.desertcart.jp/products/470476486-cuncui-bike-seat-clamps-2-pcs-31-8mm-bicycle-seat store_origin: JP region: Japan --- # 31.8mm Diameter - Fits 27.2-28.6mm Seat Posts Quick-Release Design - Tool-Free Adjustments 6061 Aluminum Alloy - Lightweight & Durable CUNCUI Bike Seat Clamps 2 pcs, 31.8mm Bicycle Seat Post Clamp-Black **Brand:** cuncui **Price:** ¥2237 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Ride Ready, Quick Set, Always Ahead! ## Quick Answers - **What is this?** CUNCUI Bike Seat Clamps 2 pcs, 31.8mm Bicycle Seat Post Clamp-Black by cuncui - **How much does it cost?** ¥2237 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/470476486-cuncui-bike-seat-clamps-2-pcs-31-8mm-bicycle-seat) ## 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:** Get two clamps in one set—upgrade multiple bikes or keep a spare for peace of mind. - • **Sleek Modern Black Finish:** Elevate your bike’s aesthetic with a minimalist, professional look that stands out on every trail. - • **Premium 6061 Aluminum Build:** Engineered for strength and featherlight performance, ensuring your ride stays smooth and reliable. - • **Effortless Quick-Release Mechanism:** Switch your seat height in seconds without tools—ride smarter, not harder. - • **Universal Fit for Versatile Riding:** Perfectly compatible with a wide range of seat post sizes (27.2-28.6mm), from mountain to indoor bikes. ## Overview The CUNCUI Bike Seat Clamps set includes two 31.8mm diameter clamps crafted from durable 6061 aluminum. Designed for quick-release functionality, these clamps fit seat posts ranging from 27.2 to 28.6mm, making them ideal for various bike types including mountain and indoor bikes. Lightweight yet robust, they offer easy installation and a sleek black finish, combining performance with style for the discerning cyclist. ## Description desertcart.com : CUNCUI Bike Seat Clamps 2 pcs, 31.8mm Bicycle Seat Post Clamp-Black | Quick Release Seatpost Clamp for 27.2-28.6mm Outer Diameter of seat post, Premium Adjustable Bike Seat Clamp Set of 2 : Sports & Outdoors ## 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 Outer Diameter of seat post - 【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 | #16,847 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #4 in Bike Seat Clamps | | Brand | CUNCUI | | Brand Name | CUNCUI | | Color | Black | | Customer Reviews | 4.5 out of 5 stars 330 Reviews | | Included Components | 2 seat clamps | | Item Diameter | 31.8 millimeters | | Item Dimensions | 2.55 x 2.36 x 0.51 inches | | Item Highlight | Quick Release Seatpost Clamp for 27.2-28.6mm Outer Diameter of seat post, Premium Adjustable Bike Seat Clamp Set of 2 | | Item Weight | 0.08 kg | | Item dimensions L x W x H | 2.55 x 2.36 x 0.51 inches | | Manufacturer | CUNCUI | | Material | Aluminum | | Material Type | Aluminum | | Number of Items | 30 | | Set Name | Bike Seat Clamp Set (2 Piece) | | Style | Modern | | Style Name | Modern | | UPC | 618087197775 | | Unit Count | 2 Count | ## Product Details - **Brand:** CUNCUI - **Color:** Black - **Item Weight:** 0.08 kg - **Item dimensions L x W x H:** 2.55 x 2.36 x 0.51 inches - **Material:** Aluminum - **Number of Items:** 30 - **Set Name:** Bike Seat Clamp Set (2 Piece) - **Style:** Modern - **UPC:** 618087197775 ## Images ![CUNCUI Bike Seat Clamps 2 pcs, 31.8mm Bicycle Seat Post Clamp-Black - Image 1](https://m.media-amazon.com/images/I/61bQLz4zJDL.jpg) ## 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.jp/products/470476486-cuncui-bike-seat-clamps-2-pcs-31-8mm-bicycle-seat](https://www.desertcart.jp/products/470476486-cuncui-bike-seat-clamps-2-pcs-31-8mm-bicycle-seat) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-08*