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Suitable for narrow-wide 30-40T chainring(round chainring), 30-38T chainring(oval chainring), Adjustable design，Determine your needs before buying It can be used on the tubes of the frame to effectively prevent the chain from falling off and the chain from jumping. CNC 7075 aluminum alloy, super light and strong, wear and resistance to deformation. Extremely easy to install, Never drop a chain ever again and double your narrow wide chain ring life. 2
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Suitable for narrow-wide 30-40T chainring(round chainring), 30-38T chainring(oval chainring), Adjustable design，Determine your needs before buying It can be used on the tubes of the frame to effectively prevent the chain from falling off and the chain from jumping CNC 7075 aluminum alloy, super light and strong, wear and resistance to deformation Extremely easy to install, Never drop a chain ever again and double your narrow wide chain ring life 3
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Suitable for vehicle pipeline installations from 31.8mm to 35mm. It’s used in pipes in the frame to effectively prevent the chain from falling off and moving. Ultra-light high-strength AL7075 aluminum alloy,CNC machining,sturdy and durable. Easy to install.Just lock it on the frame pipe. 4
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Machined aluminum mounting arm Delrin (engineering grade thermoplastic) chain guide body Adjustable design Fits 32T to 38T chainrings 5
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Made of Plastic It is light and easy to install It can allows the front derailleur to be adjusted for strong downshifts Chain Watcher kept the chain from slipping off 6
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Chain Catcher with Power Magnet 7
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PREMIUM MATERIAL - Use ultralight high-strength AL7075 Aluminium Alloy with high quality CNC machined. PRACTICAL DESIGN - Novel hollow design, reduce weight, anti-chain effect is good, used for single-disc sprocket, make riding smoother and easier. MORE COMPATIBLE - The frame of the tube 35 diameter convertible to a diameter of 31.8 after installation. SAFE DRIVING - It can be used on the tube in the frame to effectively prevent the chain and chain from jumping. Ensure safe and smooth driving 8
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Easy installation, The single speed chain with anti-rust technology. Road mtb bmx bike bicycle cycling fixie fixed gear. This strong and reliable chain is compatible with BMX, Freestyle, Fixed Gear and Track Bikes. The anti rust coating can increase the chain life and reduce rust affecting the running of your chain. 9
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The hollowed out design reduces weight and makes riding easier. Material: Aluminum alloy It can be used on the tube in the frame to effectively prevent the chain and chain from jumping, ensure safe and smooth driving. More compatible, the original frame of the tube 34.9mm diameter convertible to a diameter of 28.6/31.8mm after installation. Compact and lightweight, it is firm and durable. Used for single-disc sprocket, the gospel of the rushing party. 10
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Suit for narrow-wide 30-40T chainring(round chainring), 30-38T chainring(oval chainring), Adjustable design Packag Include: 2 Screws, 8 pcs Spacers. Support specification: ISCG 05 Mount. CNC 7075 aluminum alloy, super light and strong, wear and resistance to deformation. Note: The Spacers is used to adjust the distance of the top part, Not used with bolts. 
