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Alienation Circle Jerks Chain Tensioner

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Product details

Management number 218154779 Release Date 2026/05/03 List Price US$10.58 Model Number 218154779
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Upgrade your BMX or mountain bike with the Alienation Circle Jerks Chain Tensioner - Solid, Non-Adjustable for Reliable Chain Stability Enhanced Performance & Engineering Designed for durability and consistent performance, the Alienation Circle Jerks Chain Tensioner features a solid, non-adjustable construction that ensures optimal chain tension for demanding rides. Crafted from high-grade 6061-T6 aluminum alloy, these tensioners offer excellent strength-to-weight ratio, providing reliable support without adding unnecessary weight to your bike. Materials & Construction Constructed from CNC-machined 6061-T6 aluminum alloy, the Alienation Circle Jerks tensioners are built tough to withstand harsh riding conditions. Their solid, non-adjustable design eliminates looseness or unwanted movement, making them ideal for aggressive riding styles such as dirt jumping, BMX, or urban freeriding. The durable finish also resists corrosion and wear, ensuring longevity and sustained performance. Universal Compatibility & Easy Installation These tensioners are compatible with any frame, chain, and chainring combination, making them a versatile upgrade for various bike setups. Sold in pairs, they are available in multiple offset sizes, including 14mm x 4.5-5mm, to fit 3/8" or 14mm axles seamlessly. The straightforward design facilitates quick installation and reliable chain tensioning without the need for complex adjustments. Style & Use Case Perfect for BMX riders, dirt jumpers, and mountain biking enthusiasts, the Alienation Circle Jerks Chain Tensioner delivers a sleek, minimalist look while providing essential chain retention. Its rugged construction and solid build make it an ideal choice for riders demanding durability, reliability, and a clean aesthetic for technical riding, park sessions, or aggressive freeride adventures. Innovative Features & Differentiators Unlike adjustable tensioners, the Circle Jerks design offers a solid, maintenance-free solution that reduces

  • Solid, non-adjustable chain tensioners designed for enhanced durability and reliable performance on any BMX, mountain, or commuter bike frame.
  • Constructed from 6061-T6 aluminum alloy, these chain tensioners offer excellent strength-to-weight ratio, corrosion resistance, and long-lasting performance under demanding riding conditions.
  • Compatible with 3/8-inch or 14mm axles and suitable for a wide range of frame and chain configurations, ensuring versatile installation across different bike setups.
  • Engineered for simplicity and dependability, these tensioners eliminate the need for adjustments, providing a clean, low-maintenance solution for maintaining optimal chain tension.
  • Stylish black finish with precision manufacturing, making these tensioners a perfect upgrade for riders seeking a sleek look combined with enhanced drivetrain stability.
UPC 888571093054
Model CRSY0184-Alienation
Brand Name Alienation
Unit Count 1.0 Count
Item Length 7 Inches
Item Weight 27.22 g
Part Number Alienation-CRSY0184
Manufacturer Alienation
Included Components Chain Retention System

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