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Nitto STEM TOOL 4 is a stainless steel pry tool for gently spreading quill stem clamps during handlebar installation. Works with M6 and M8 bolts.
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The Nitto STEM TOOL 4 M8 is a small installation tool designed for traditional quill stems and handlebar setup. It is useful for riders who frequently swap handlebars, restore vintage steel bikes or want to protect component surfaces during installation.
When installing a handlebar, the clamp area of a traditional stem can sometimes be tight. Using a large screwdriver or an unsuitable tool to pry it open may scratch the stem, damage the handlebar or harm the component finish. The Nitto STEM TOOL 4 helps gently spread the quill stem clamp enough to install the handlebar more easily while reducing the risk of scratching nice parts.
This tool is made from stainless steel for durability and long-term reliability. For bike shops, repair workspaces or riders who like to adjust their cockpit setup, it is a small but very practical dedicated tool.
The STEM TOOL 4 works with M6 and M8 bolts, covering common traditional stem installation needs. If you often remove and install handlebars, adjust stems or want to better protect Nitto, steel bike and vintage components during setup, this tool is worth keeping in your repair kit.
If you are looking for a more precise and safer alternative to using a screwdriver when working on traditional stems, the Nitto STEM TOOL 4 M8 is a practical choice.
⚠️ Please note: this product includes one stem tool only. Stem, handlebar, bolts and display props are not included.
⚠️ This tool is intended to help spread traditional stem clamps. Do not use it as a general pry bar or for unintended purposes.
⚠️ Apply force carefully and avoid over-spreading the clamp, as this may deform the stem or damage components.
⚠️ Stem and handlebar installation affects riding safety. Operation by an experienced user or professional mechanic is recommended.
⚠️ After installation, make sure the stem, handlebar and bolts are correctly tightened.
Key Features
Specifications
Brand: Nitto
Product Name: STEM TOOL 4 M8
Type: Traditional Stem Installation Tool
Material: Stainless Steel
Bolt Compatibility: M6 / M8
Compatibility: Quill Stem
Included: One Stem Tool
Made in: Japan