{"id":"DCD-10001282116","sku":"DCD-10001282116","display_title":"Folding Bike Chain Tensioner – Black","title":"Folding Bike Chain Tensioner Fastening-Lock Rear Chain Tensioner with Pulley Aluminum Alloy for Commuters, Cyclists","description":"Primary Description: A premium fastening-lock tensioner designed specifically for folding bike rear drivetrains to maintain optimal chain management.\nConstruction: Crafted from sturdy aluminum alloy with a nylon 11T guide pulley, this chain tensioner offers a lightweight yet sturdy build weighing only 107.3 g.\nSmooth Performance: Features a engineered nylon pulley wheel that functions as a reliable bike chain tensioner, reducing chain friction noise and ensuring a smooth travel\nCompact Design: This single-arm folding bike chain tensioner features a 132 mm arm length, 50 mm center distance, and a 37 mm pulley diameter for fit.\nEasy Maintenance: Engineered as a rear chain tensioner with pulley that is easy to clean, keeping your drivetrain running efficiently with minimal upkeep.\n\nUpgrade your folding bike's drivetrain with this premium fastening-lock tensioner, engineered specifically to deliver reliable chain management along with a clean aesthetic. Crafted from high-strength aluminum alloy, this lightweight chain tensioner weighs just 107.3 g, ensuring it adds minimal bulk to your ride while offering maximum durability. It features a single-arm construction with a 132 mm arm length, a 50 mm center distance, and a 37 mm pulley diameter, making it a compact and highly functional addition to your setup. Central to this bike chain tensioner is a nylon 11T guide pulley designed to run smoothly and quietly. By significantly reducing chain friction noise, it provides a peaceful and seamless pedaling experience during daily commutes or weekend rides. The engineered design of this folding bike chain tensioner is suitable for derailleur hanger and 4-5-6-7 speed folding-bike applications, offering wide compatibility for various gear setups. This rear chain tensioner with pulley is not only engineered for high performance but also for convenience. The nylon pulley wheel is exceptionally easy to clean, allowing you to wipe away road and debris quickly to maintain peak drivetrain efficiency. With dimensions including a 38mm mm shaft length, a 10 mm shaft diameter, and a 17.6 mm circular hole diameter, installation is straightforward, giving you more time riding and less time in the workshop.\n\nOption: Black","category":{"slug":"cycling-garage","label":"Garage & Ride","google_path":"Vehicles & Parts > Vehicle Parts & Accessories > Motor Vehicle Parts"},"product_category":"Vehicles & Parts > Vehicle Parts & Accessories > Motor Vehicle Parts","brand":"SuntekStore","condition":"new","price":"47.84 USD","price_amount":"47.84","currency":"USD","price_valid_until":"2026-10-31","tax":"US sales tax calculated at checkout (prices exclude tax)","availability":"in_stock","inventory_quantity":20,"max_quantity_per_order":10,"shipping":"US:ALL:Standard Shipping:12-22:0.00 USD","delivery_days":{"min":12,"max":22,"unit":"calendar_days_from_order","handling_business_days_max":4},"estimated_delivery":{"if_ordered_on":"2026-10-01","earliest":"2026-10-13","latest":"2026-10-23"},"ships_to":["US"],"shipping_cost":"0.00 USD","return_window_days":30,"return_policy":{"window_days":30,"window_starts":"delivery","condition":"unused, in original packaging","return_shipping_paid_by":"customer (we pay if the item is damaged, defective or not as described)","refund_method":"original payment method","refund_within_business_days_of_receipt":5,"how":"https://suntekstore.com/contact/ with the order number","url":"https://suntekstore.com/returns/"},"package_dimensions_cm":[20.0,11.0,5.0],"weight_g":160.0,"material":"Aluminum alloy, Nylon, Fiber","package_includes":"Chain Tensioner ×1","product_dimensions_cm":[13.2,3.8,4.5],"specifications":[{"name":"Finish","value":"Black, silver"},{"name":"Structure","value":"Single-arm"},{"name":"Pulley type","value":"11T guide pulley"},{"name":"Application","value":"gearshift-compatible, 4-5-6-7-gear folding bike"}],"image_link":"https://suntekstore-img.sfo3.digitaloceanspaces.com/p/9e/9e36f2982b1055297ebeb49365bc70457def760f.jpg","additional_image_link":["https://suntekstore-img.sfo3.digitaloceanspaces.com/p/c7/c7d6341d0a0bcfc1d8cc2d62e6112fd09e63b27a.jpg","https://suntekstore-img.sfo3.digitaloceanspaces.com/p/2d/2dc34e38b76a9306a9e2c630899268fcae187c72.jpg","https://suntekstore-img.sfo3.digitaloceanspaces.com/p/9f/9f14d3433661d3e2935763e30a9f849cbd7f4d99.jpg","https://suntekstore-img.sfo3.digitaloceanspaces.com/p/b8/b8cc39db572097c033e15f85fad4288cdf0751bb.jpg"],"thumbnail_link":null,"link":"https://suntekstore.com/p/DCD-10001282116/","markdown_url":"https://suntekstore.com/p/DCD-10001282116.md","json_url":"https://suntekstore.com/products/DCD-10001282116.json","buy_url":"https://suntekstore.com/buy/DCD-10001282116?qty=1","prop65_warning":null}