--- product_id: 441750594 title: "Headset Expander Top Cap Star Nut Plug Bolt Stem Expanding Nut Bolt Carbon Fiber Cap Cover Long Large Size (Large Aluminum Cap 1-1/8 inch)" brand: "neco" price: "€ 90.77" currency: EUR in_stock: true url: https://www.desertcart.nl/products/441750594-headset-expander-top-cap-star-nut-plug-bolt-stem-expanding store_origin: NL region: Netherlands --- # Large size expander (2-3 inch depth) Strong compression force Carbon fiber cap for durability Headset Expander Top Cap Star Nut Plug Bolt Stem Expanding Nut Bolt Carbon Fiber Cap Cover Long Large Size (Large Aluminum Cap 1-1/8 inch) **Brand:** neco **Price:** € 90.77 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Elevate your ride with precision and power – because your carbon deserves the best! ## Quick Answers - **What is this?** Headset Expander Top Cap Star Nut Plug Bolt Stem Expanding Nut Bolt Carbon Fiber Cap Cover Long Large Size (Large Aluminum Cap 1-1/8 inch) by neco - **How much does it cost?** € 90.77 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/441750594-headset-expander-top-cap-star-nut-plug-bolt-stem-expanding) ## Best For - neco enthusiasts ## Why This Product - Trusted neco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Optimized Large Size Fit:** Choose between 2-inch (large) and 3-inch (extra large) expander depths for maximum safety and strength. - • **Precision Fit for 1-1/8” Tubes:** Perfectly engineered for inner diameters 22-25.4mm, ensuring a secure and stable headset assembly. - • **Unmatched Carbon Tube Protection:** Strong compressor designed specifically to safeguard your carbon fork tube from damage. - • **Sleek Carbon Fiber or Aluminum Caps:** Elevate your bike’s aesthetics with premium carbon fiber caps or durable aluminum options. - • **Crafted in Taiwan with Premium Quality:** Backed by 30+ years of expertise, Neco delivers high-strength, heavy-duty cycling components you can trust. ## Overview The Neco Headset Expander Top Cap is a high-quality, large-size compression plug designed for 1-1/8 inch carbon fork tubes. Made from premium aluminum with optional carbon fiber caps, it offers superior compression strength to protect your bike’s carbon components. Available in 2-inch and 3-inch expander depths, it ensures a secure fit and enhanced safety. Manufactured in Taiwan by a trusted brand with over 30 years of cycling industry expertise, this headset cap combines durability, style, and performance for serious cyclists. ## Description Neco Bike Headset Compression Top Cap, 1 1/8’’ Expander Nut Plug, Carbon Fork Tube Compressor Large Size, MTBSTRONG COMPRESSOR - Compression plug is good for carbon tube, it offers stronger force and can protect the carbon tube as well. (Star nut is only for aluminum tube)LARGE SIZE - Bigger compressor is more stronger and safety. We offer expander depth 2 inch and 3 inch. 2 inch is large size, 3 inch in extra large. We recommend 2 inch for most scenario. Strong enough but budget cost 1” & 1 - 1/8” - Small size is for 1” tube,inner diameter 20-22.2mm. Middle & large & extra large is for 1-1/8”, inner diameter 22-25.4mmCabon cap version looks very great. We recommend large size and cabon cap. Aluminum cap offered as wellNeco 100% made in Taiwan, high quality components and surface treatment, excellent strength for all heavy duty cyclingWeight: small size 40g, middle size 45g, large size 75g, extra large size 85gAbout NecoNECO - Professional Bike Parts ManufacturersNeco Technology Industry Co. Ltd., founded in 1986 in Taichung, Taiwan, have been in the forefront of machinery tooling design and development. Having acquired more than 30 years of experience in the cycling field, general manager Mr. Neco Wang has been extensively making contributions to not only the growth, development and success of the company, but to the global bicycle industry as well.In order to offer high quality products and expand plant capacity, we specialize in manufacturing headsets and bottom bracket components.Neco Ltd. will always strive to meet the commitments to all of the customers and provide competitive, high-value products. ## Features - STRONG COMPRESSOR - Compression plug is good for carbon tube, it offers stronger force and can protect the carbon tube as well. (Star nut is only for aluminum tube) - LARGE SIZE - Bigger compressor is more stronger and safety. We offer expander depth 2 inch and 3 inch. 2 inch is large size, 3 inch in extra large. We recommend 2 inch for most scenario. Strong enough but budget cost - 1” & 1 - 1/8” - Small size is for 1” tube,inner diameter 20-22.2mm. Middle & large & extra large is for 1-1/8”, inner diameter 22-25.4mm - Cabon cap version looks very great. We recommend large size and cabon cap. Aluminum cap offered as well - Neco 100% made in Taiwan, high quality components and surface treatment, excellent strength for all heavy duty cycling ## Technical Specifications | Specification | Value | |---------------|-------| | Material | Aluminium | | Fastener Type | Acorn | | Thread Size | 1 inch | | Exterior Finish | Aluminium | | Colour | Large Aluminum Cap 1-1/8 inch | | Metal Type | Aluminium | | Brand | Neco | | Item Weight | 70 Grams | | Thread Type | Unified National Coarse | | Inside Thread Size | 1-1/8 inch | | Thread Style | UNC | | Thread Coverage | Unthreaded | | Thread Class | Class 6H | | Size | large | | Item Diameter | 25.4 Millimetres | | Manufacturer | shimano | | Batteries Included | No | | Drive system | Star | | Material Type | Aluminium | | Style | all-season | ## Product Details - **Material:** Aluminium - **Fastener Type:** Acorn - **Thread Size:** 1 inch - **Exterior Finish:** Aluminium - **Colour:** Large Aluminum Cap 1-1/8 inch - **Metal Type:** Aluminium - **Brand:** Neco - **Item Weight:** 70 Grams - **Thread Type:** Unified National Coarse - **Inside Thread Size:** 1-1/8 inch ## Images ![Headset Expander Top Cap Star Nut Plug Bolt Stem Expanding Nut Bolt Carbon Fiber Cap Cover Long Large Size (Large Aluminum Cap 1-1/8 inch) - Image 1](https://m.media-amazon.com/images/I/61-gSdJSgEL.jpg) ## Frequently Bought Together - Neco Headset Expander Top Cap Star Nut Plug Bolt Stem Expanding Nut Bolt Carbon Fiber Cap Cover Long Large Size - Sumind 11 Pieces Bike Carbon Fiber Headset Spacer Bicycle 1-1/8 Inch 20 15 10 5 3 2 1 mm, 7 Size - TOSEEK 1-1/8'' 26/27.5/29'' 3K T800 Full Carbon Fiber Rigid Disc Brake MTB Fork, 28.6mm Threadless Straight/Tapered Tube Superlight Mountain Bike Front Forks --- ## 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.nl/products/441750594-headset-expander-top-cap-star-nut-plug-bolt-stem-expanding](https://www.desertcart.nl/products/441750594-headset-expander-top-cap-star-nut-plug-bolt-stem-expanding) --- *Product available on Desertcart Netherlands* *Store origin: NL* *Last updated: 2026-06-18*