Description
⭐ Key Features
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High-Quality Aluminum Alloy – Strong yet lightweight for optimal performance
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Steel Bearing – Smooth, reliable rotation; waterproof & dustproof for long life
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Multiple Sizes – 11T (Ø41mm, 8.8g) and 13T (Ø49mm, 13g)
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Universal Compatibility – Supports most rear derailleurs and 7–10 speed systems
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Durable & Precise – 1.7mm thickness for reliable chain guidance
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Multiple Colors – Black, Red, Blue, Green, Purple, Gold, Silver, Pink, Multi-color
📏 Specifications
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Material: Aluminum Alloy + Steel Bearing
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Teeth Options: 11T / 13T
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Diameter: 11T ≈ 41mm, 13T ≈ 49mm
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Weight: 11T ≈ 8.8g, 13T ≈ 13g
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Thickness: 1.7mm
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Compatibility: Most MTB and road bike rear derailleurs, 7–10 speed
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Colors: Black, Red, Blue, Green, Purple, Gold, Silver, Pink, Colorful
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