--- product_id: 122243547 title: "Seatpost Shim, 31.6 to 34.9mm - AAE0008 | bike-seat-posts-and-parts" brand: "cane creek" price: "$40.37" currency: USD in_stock: true reviews_count: 13 category: "Cane Creek" url: https://www.desertcart.us/products/122243547-seatpost-shim-31-6-to-34-9mm-aae0008-bike-seat store_origin: US region: United States of America --- # Precision aluminum build Corrosion & scratch resistant Fits 31.6 to 34.9mm seatposts Seatpost Shim, 31.6 to 34.9mm - AAE0008 | bike-seat-posts-and-parts **Brand:** cane creek **Price:** $40.37 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your ride with precision fit and style — never settle for less! ## Quick Answers - **What is this?** Seatpost Shim, 31.6 to 34.9mm - AAE0008 | bike-seat-posts-and-parts by cane creek - **How much does it cost?** $40.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/122243547-seatpost-shim-31-6-to-34-9mm-aae0008-bike-seat) ## Best For - cane creek enthusiasts ## Why This Product - Trusted cane creek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Scratch-Free Fit:** Manufactured within tight tolerances to protect your bike’s finish and maintain pristine condition. - • **Versatile Performance:** Compatible with static, suspension, and dropper seatposts across all frame materials—one shim to rule them all. - • **Lightweight Durability:** Crafted from high-precision aluminum for strength without the bulk—ride longer, ride stronger. - • **Seamless Compatibility:** Effortlessly adapts smaller seatposts to larger frames for ultimate ride customization. - • **Sleek Aesthetic Upgrade:** Matte black finish that complements any bike style while delivering reliable, wobble-free stability. ## Overview The Cane Creek Seatpost Shim Adapter (31.6 to 34.9mm) is a precision-engineered aluminum accessory designed to enable seamless compatibility between smaller diameter seatposts and larger frame clamps. Its corrosion-resistant, scratch-free construction ensures long-lasting durability and a secure, wobble-free fit across static, suspension, and dropper seatposts on all bike types. Finished in sleek black, it’s the essential upgrade for riders seeking tailored comfort and enhanced bike aesthetics. ## Description Upgrade your cycling setup with the Cane Creek Seatpost Shim Adapter - the perfect solution for seamless seatpost compatibility and optimal ride comfort. Designed specifically for bikes with 31.6mm seatpost diameters and accommodating frame clamp sizes of 34.9mm, this adapter is an essential accessory for cyclists seeking precise fitment and versatile performance. Materials & Construction: Crafted from durable, lightweight aluminum, the Cane Creek Seatpost Shim Adapter is manufactured with strict tolerances to ensure a perfect fit and long-lasting durability. Its alloy construction guarantees resistance to corrosion and scratching, maintaining an sleek appearance and reliable performance ride after ride. Performance & Engineering: This adapter fills the gap between different seatpost and frame sizes, enabling seamless compatibility across static, suspension, and dropper seatposts, regardless of frame material. Its precise engineering allows for easy installation, providing a secure, wobble-free connection that enhances riding stability and rider confidence. Components & Technology: Featuring a 3.3mm thickness for optimal strength without excess weight, the adapter ensures a snug fit that prevents slippage under load. Its optimized design minimizes frame and seatpost abrasion, preserving your bike's integrity over time. Style & Use Case: The sleek black finish complements any bike aesthetic, making it an ideal upgrade for road, mountain, or gravel bikes. Whether you're adjusting your ride for better comfort, upgrading components, or customizing your setup, this shim adapter provides a versatile solution to enhance your cycling experience. Innovative Features & Benefits: - Compatible with various frame materials, including aluminum, carbon, and steel - Enables precise tuning of seatpost diameter for tailored ride compliance - Manufactured within tight tolerances for a perfect, scratch-free fit - and remove, making bike mai ## Features - High-precision aluminum construction ensures a durable, lightweight, and corrosion-resistant fit for long-lasting performance. - Compatible with static, suspension, and dropper seatposts across all frame materials, enhancing versatility for mountain, road, and commuter bikes. - Precise manufacturing within strict tolerances guarantees a secure, scratch-free connection, maintaining the integrity of your seatpost and frame. - Allows seamless ride tuning by fitting smaller diameter seatposts into larger frame tubes, optimizing rider comfort and saddle height adjustments. - Stylish black finish complements any bike setup, providing a sleek look while offering a reliable solution for saddle height customization and component compatibility. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07K3Y7YP3 | | Best Sellers Rank | #82,049 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #28 in Bike Seat Clamps | | Bike Type | City Bike | | Brand | Cane Creek | | Brand Name | Cane Creek | | Color | Multicolor | | Customer Reviews | 4.7 out of 5 stars 146 Reviews | | Included Components | Seatpost Shim | | Item Diameter | 31.6 Millimeters | | Manufacturer | Cane Creek | | Manufacturer Part Number | AAE0008 | | Material | Multi | | Material Type | Multi | | Model Number | AAE0008 | | UPC | 840226123783 | | Unit Count | 1.0 Count | | Warranty Description | Limited Warranty | ## Product Details - **Color:** Multicolor - **Item Weight:** 1.6 ounces - **Material:** Multi - **Brand:** Cane Creek - **Manufacturer:** Cane Creek ## Images ![Seatpost Shim, 31.6 to 34.9mm - AAE0008 | bike-seat-posts-and-parts - Image 1](https://m.media-amazon.com/images/I/61qbAscnSsL.jpg) ## Questions & Answers **Q: what does ID 31.6mm/ OD 34.9mm mean?** A: Id. means inside diameter. Od means outside diameter. Measure you old one od ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by B***. on August 4, 2025* ### ⭐⭐⭐⭐⭐ Review *by J***S on March 12, 2026* ### ⭐⭐⭐⭐⭐ Review *by D***. on August 28, 2025* ## Frequently Bought Together - Cane Creek Seatpost Shim, 31.6 to 34.9mm - AAE0008 - JAGWIRE Dropper Seatpost Cable Kit - Cogster Alloy Bike Seatpost Reducer Shim, 100mm Length Aluminum Bicycle Reducing Sleeve Seat Post Tube Adapter for MTB,Mountain,City Bike,Road Bike --- ## 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.us/products/122243547-seatpost-shim-31-6-to-34-9mm-aae0008-bike-seat](https://www.desertcart.us/products/122243547-seatpost-shim-31-6-to-34-9mm-aae0008-bike-seat) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-12*