Profile Design
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Profile Design Threadless Size Converter 1 - 1 18
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Profile Design Threadless Size Converter 1 - 1 18
Profile Design Conversion has a polished silver finish. Converts all quill style forks to use threadless stems. Converts 1 inch to 1-1/8' threadless. Weight: 0.8 ounce.
Profile Design Threadless Size Converter 1 - 1 18
Item #: 31954096

Profile Design Threadless Size Converter 1 - 1 18

Item #: 31954096

SAR 128

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

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    Order now and get it around Tuesday, September 01
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    Profile Design Conversion has a polished silver finish. Converts all quill style forks to use threadless stems. Converts 1 inch to 1-1/8' threadless. Weight: 0.8 ounce.
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    What Stands Out

    Accurate Sizing
    Easily convert between 1" and 1 1/8" sizes, ensuring perfect fit for various bike components and enhancing overall riding performance.
    User-Friendly
    Designed with simplicity in mind, this converter allows cyclists of all levels to quickly and accurately adjust sizes without the need for complicated tools.
    Durable Material
    Constructed from high-quality materials, ensuring longevity and reliability in all riding conditions, providing excellent value for performance-oriented cyclists.

    Product Details

    Shop Profile Design Threadless Size Converter 1 - 1 18 online at a best price in Saudi Arabia. B0028N14GQ

    Who Should Buy?

    Suitable For
    • Bike Enthusiasts

      Ideal for cyclists needing to adapt handlebars for upgrading or maintaining their bikes effectively and hassle-free.

    • Custom Builders

      Perfect for custom bicycle builders looking to achieve precise sizing adjustments for threadless stem installations.

    • Mechanics & Technicians

      Essential tool for bike technicians to quickly adjust fork sizes during bike repairs or assembly for better compatibility.

    Not Suitable For
    • Road Riders

      Road cyclists who prefer specific brand components might find this converter less compatible with their equipment.

    Product Description

    Profile Design Threadless Size Converter 1 - 1 18

    Have any Query? Chat with us

    Customer Questions & Answers

    • Question: What is the Profile Design Threadless Size Converter 1 - 1 18?

      Answer: The Profile Design Threadless Size Converter 1 - 1 18 is an innovative tool designed for cyclists who need to convert their threadless headsets. This product facilitates the use of different handlebar sizes while maintaining a secure fit, enabling cyclists to customize their setup without replacing entire components. Additionally, this converter is particularly valuable for those upgrading from older models or mixing brands, ensuring compatibility across various bike components and improving overall performance on rides.
    • Question: How does the size converter work?

      Answer: The size converter functions by allowing users to adjust the diameter of the headset's stem to fit specific sizes. It easily slips over the existing steerer tube, supporting various handlebars and enhancing the bike's ergonomics. By providing a snug fit, it minimizes vibrations and improves handling during high-speed rides or rough terrains. This versatility means that you can switch handlebars without worrying about compatibility issues, making it a must-have for serious cyclists looking to optimize their performance.
    • Question: Is the Profile Design Threadless Size Converter durable?

      Answer: Yes, the Profile Design Threadless Size Converter is built from high-quality materials designed to withstand the rigors of cycling. Its robust construction ensures longevity, making it suitable for avid cyclists who encounter various conditions. This durability also means less frequent replacements and a reliable performance over time. When tackling diverse terrains or engaging in long-distance rides, having a dependable converter can enhance confidence, knowing that your bike's setup is secure and resilient.
    • Question: Can I use this size converter on any bike model?

      Answer: The Profile Design Threadless Size Converter is compatible with most standard threadless steering tubes, making it a versatile accessory for various bike models. However, it's essential to check the specifications of your bike to ensure it fits appropriately. This converter allows you to use different handlebar widths and is beneficial when upgrading or when you want to customize your bike for different cycling styles. It's particularly ideal for road bikes and mountain bikes where customization is frequent.
    • Question: How do I install the Profile Design Threadless Size Converter?

      Answer: Installing the Profile Design Threadless Size Converter is a straightforward process that involves loosening the existing stem cap and fitting the converter onto the steerer tube. Once in place, simply secure the stem and ensure that everything is tightened correctly. This installation allows for efficient use on different handlebars without the need for professional assistance. It’s a great starting point for enhancing your riding experience, as cyclists can easily calibrate their handlebars to their preferred height and style.
    • Question: What are the benefits of using a size converter?

      Answer: Using a size converter like the Profile Design Threadless Size Converter allows for greater flexibility in your bike's setup. It enables you to switch between handlebars of varying sizes, accommodating different riding styles and preferences. This flexibility can enhance comfort and performance, reducing fatigue during long rides. Additionally, it simplifies the customization process for cyclists who like to experiment with different configurations, ensuring that your bike meets your evolving needs as a rider.
    • Question: Is the size converter suitable for professional cycling?

      Answer: Absolutely, the Profile Design Threadless Size Converter is specifically designed with performance in mind, making it suitable for professional cycling. Its ability to maintain a secure and stable connection along with its lightweight design improves the overall dynamics of the bike. Professional cyclists often benefit from customizing their setups based on race requirements or personal comfort preferences, making this converter an essential tool in achieving optimal performance.
    • Question: Can it help with bike handling?

      Answer: Yes, the Profile Design Threadless Size Converter can significantly enhance bike handling. By providing a proper fit for the handlebars, cyclists experience improved control and stability when navigating turns or uneven surfaces. A well-fitted handlebar setup allows for more precise steering and reduces the chances of losing balance, especially during intense rides. It's particularly advantageous when cycling at higher speeds or on rough terrains where effective handling is crucial for safety and performance.
    • Question: What materials are used in the converter's construction?

      Answer: The Profile Design Threadless Size Converter is typically made from high-grade aluminum or other durable composite materials designed to withstand the cycling environment. This construction is not only lightweight but also resistant to wear and tear, which is essential for maintaining bike integrity over time. The use of reputable materials ensures that you have a reliable and long-lasting component, which is vital for performance-focused cyclists who require durability along with functionality.
    • Question: Where can I buy the Profile Design Threadless Size Converter 1 - 1 18 in Saudi Arabia?

      Answer: You can purchase the Profile Design Threadless Size Converter 1 - 1 18 on Ubuy, a reputable online platform that offers a wide range of cycling accessories and components. Ubuy provides convenient access to this product, ensuring that customers in Saudi Arabia have a secure and streamlined shopping experience. By shopping through Ubuy, you can easily find this specific converter and benefit from their diverse selection to fulfill all your biking needs.

    Profile Design Stems Editorial Review

    The Profile Design Threadless Size Converter 1 - 1 18 is a versatile and economical solution for those who need to update their bike's stem and handlebar options. Designed to fit bikes with a 1" threaded headset, this converter allows users to use a modern 1 1/8" threadless stem. Customer reviews praise the product for its ease of installation and perfect fit. Users appreciate the ability to use a lighter modern handlebar and stem, creating a more efficient and comfortable riding experience. The converter has been tested on various types of bikes, including vintage frames, and has been found to be a reliable and sturdy option. One notable feature of this converter is its higher rise compared to other brands, allowing users to raise their handlebars to a more comfortable position. This makes it a great choice for those who prefer a higher riding position. Overall, the Profile Design Threadless Size Converter 1 - 1 18 is highly recommended for those looking to update their bike's stem and handlebar options. It offers a reliable and economical solution for both vintage and modern bikes, providing users with a comfortable and efficient riding experience.

    Customer Reviews & Ratings

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    Pros

    • Easy to install
    • Perfect fit
    • Allows for modern stem and handlebar options
    • Versatile, suitable for various types of bikes
    • Higher rise compared to other brands, offering a more comfortable riding position

    Platform Trust & Buyer Confidence

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    4.1/5 340 reviews
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    MA
    Mekki
    Verified buyer

    “Arrive before time, excellent products”

    9 July 2026 · via Trustpilot
    FS
    Farrah
    Verified buyer

    “A very big Thank you to HUDA and the Ubuy Team in helping to send my order to me yesterday!! Order # 62606425316 Customer service and operations is top for this online shopping company and I am very satisfied with the way they handle issues. THANK YOU once again!!”

    25 June 2026 · via Trustpilot
    AF
    Anila
    Verified buyer

    “Good experience of shopping through Ubuy.”

    16 June 2026 · via Trustpilot
    MG
    Mohamed
    Verified buyer

    “We feel very good about the delivery time, and the materials we received matched our order.”

    14-Jul-26 · via Trustpilot
    E
    Essam
    Verified buyer

    “Perfect service and fast delivery.”

    16-Jul-26 · via Trustpilot
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    Important information

    • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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    SAR 128

    Order now and get it around Tuesday, September 01

    QTY:

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    Our Top Logistics Partners
    • fedex
    • dhl
    • aramex
    Fastest cross-border delivery

    Features & Benefits

    • Polished silver finish
    • Converts all quill style forks to use threadless stems
    • Converts 1 inch to 1-1/8' threadless
    • Approximately 25mm rise increase possible if used with spacers
    • Quill Insertion Diameter: 25.4mm for 1 1/8 stems and 22.2 for 1 stems
    • Steerer Clamp OD 25.4mm, for 1, 28.6mm for 1-1/8

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