3 in 1 Bike Chain Wear Indicator Chain Hook Bolt Gauge Ruler Tool Stainless Steel

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Keep your drivetrain in top condition with this 3-in-1 bike chain wear checker tool. Designed for cyclists who demand accuracy and durability, this compact multi-functional tool helps you measure chain wear, hold chains in place during maintenance, and check bolt sizes and lengths. Made from laser-etched stainless steel, it offers long-lasting readability and corrosion resistance. The three-step wear scale (0.5%, 0.75%, 1%) allows you to identify when your chain is approaching or exceeding its wear limit, helping prevent costly damage to your cassette and chainrings. Whether you're a mountain biker, road cyclist, or bike mechanic, this lightweight chain gauge is an essential addition to your toolkit. Features: Chain wear indicator with 0.5%, 0.75%, and 1% scales to assess elongation accurately Chain hook feature helps hold the chain in place during breaking, cleaning, or removal Bolt gauge for checking M3, M4, M5, and M6 thread sizes Integrated ruler measures bolt length precisely Laser-engraved scale – clear, wear-resistant markings that won't fade or peel Stainless steel construction – durable, rust-resistant, and precision-machined Lightweight and portable – only 40g, fits easily in your repair kit or saddlebag Suitable for mountain bikes, road bikes, e-bikes, and more Specifications: Material: Stainless Steel Dimensions: 130mm × 50mm Weight: Approx. 40g Functions: Chain wear checker (three-step) Chain holding hook Bolt thread gauge (M3–M6) Bolt length ruler Package Includes: 1 × Bike Chain Wear Checker Tool Notes: Please allow 1–3 cm variation due to manual measurement. Slight colour differences may occur due to lighting and display settings. Replace your chain promptly if wear reaches 1% to avoid damaging your drivetrain components.