{"product_id":"absoluteblack-single-speed-cog-cog-fw2129","title":"AbsoluteBLACK 20T Single-Speed HG Spline Aluminum Cog - Narrow-Wide Profile, Chain Retention, Compatible with 1X-12-Speed Ride in Style","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your single-speed or geared bicycle with the high-performance absoluteBLACK Single-Speed Cog - HG Spline, 20t in sleek black. Designed for durability, precision, and compatibility, this premium aluminum cog is an essential upgrade for serious cyclists and urban riders alike.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Construction:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eCrafted from lightweight yet robust aluminum, the absoluteBLACK 20t cog features a unique, high-precision shape with a narrow-wide tooth profile. The 29g design ensures minimal weight without sacrificing strength. The wide 7mm base enhances compatibility with alloy cassette bodies, reducing the risk of damage. Manufactured in Poland with meticulous quality standards, this cog is built to last mile after mile.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eEngineered with an innovative tooth design, the wider and more \"square-like\" profile provides increased surface area for engagement, delivering smoother power transfer. The narrow-wide tooth profile enhances chain retention, significantly reducing the risk of chain slip during aggressive riding or off-road terrain. Perfect for both single-speed setups and versatile 1x gearing systems, it offers exceptional durability and efficiency.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Technology:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eCompatible with Shimano HG freehub bodies and supporting 1X, 6, 7, 8, 9, 10, 11, and 12-speed chains (9-12-speed chains for the narrow-wide feature), this cog ensures excellent compatibility across a broad range of drivetrain configurations. Please note: not compatible with half-link chains. The cog's precision machining guarantees perfect fitment and reliable performance under diverse riding conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eStyle \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eFeaturing a sleek black anodized finish, the absoluteBLACK 20t cog complements any bike aesthetic, from commuter bikes to mountain and gravel setups. Ideal for upgrading singlespeed bikes for increased durability, or enhancing geared bikes with a dependable, low-profile component for improved chain alignment and retention. Its modular design makes it suitable for aggressive riding, commuting, or trail use.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Unique design with a narrower width and squared tooth profile for enhanced durability and chain grip\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Wide 7mm base prevents damage to alloy cassette bodies\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Compatible with a broad range of drivetrain setups, including 1X and 8-12 speed systems\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Manufactured in the UK design and Polish craftsmanship ensure quality and precision\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eOptimize your ride with the absoluteBLACK 20-tooth Single-Speed Cog-engineered for strength, designed for performance, and built to last.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eWhether upgrading your daily commuter or customizing your mountain bike, this cog is your go-to choice for reliable, high-quality cycling components.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eOptimized for durability, the absoluteBLACK Single-Speed Cog features a unique narrow-wide tooth profile that enhances chain retention and reduces derailment, suitable for seamless single-speed cycling. \u003c\/li\u003e\n\u003cli\u003eConstructed from premium lightweight aluminum, this 20-tooth HG spline cog weighs only 29 grams, ensuring minimal bike weight while maintaining maximum strength and longevity. \u003c\/li\u003e\n\u003cli\u003eDesigned with a wide 7mm base, this cog offers improved protection against damage to alloy cassette bodies, extending component lifespan and delivering reliable performance in demanding riding conditions. \u003c\/li\u003e\n\u003cli\u003eEngineered in the UK and manufactured in Poland, this high-precision, CNC-machined cog provides compatibility with Shimano HG 1X, 6, 7, 8, 9, 10, 11, and 12-speed chains for versatile installation on various bike setups. \u003c\/li\u003e\n\u003cli\u003eFeaturing a sleek black finish and innovative tooth design, the absoluteBLACK Single-Speed Cog delivers a stylish, performance-driven upgrade ideal for urban commuting, mountain biking, and custom singlespeed builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"absoluteBLACK","offers":[{"title":"Default Title","offer_id":42205945987139,"sku":"FW2129","price":52.16,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FW2129.jpg?v=1773803219","url":"https:\/\/365cycles.com\/products\/absoluteblack-single-speed-cog-cog-fw2129","provider":"365 Cycles","version":"1.0","type":"link"}