{"product_id":"road-bike-hub-rachet-system-r2-ultralight-road-bicycle-hub-cycle-disc-v-brake-hg-ms-xdr","title":"PULSE R2 HUB The Performance Hub Built Without Compromise.","description":"\u003ch1\u003ePULSE R2 HUB\u003c\/h1\u003e\n\u003ch2\u003eBorn From Performance. Built Without Compromise.\u003c\/h2\u003e\n\u003ch3\u003eThe Story Behind PULSE R2\u003c\/h3\u003e\n\u003cp\u003eIn 2021, DFS introduced its first in-house developed high-performance hub: the PULSE R2.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for carbon fiber performance wheelsets, the PULSE R2 represents our vision of what a modern racing hub should be.\u003c\/p\u003e\n\u003cp\u003eFor years, DFS has been committed to advancing cycling technology through the development of lightweight, durable, and high-performance carbon wheelsets. Throughout this journey, we came to realize a simple truth:\u003c\/p\u003e\n\u003cp\u003eA great wheelset is not defined by the rim alone.\u003c\/p\u003e\n\u003cp\u003eAt the heart of every wheelset lies the hub—the component responsible for rolling efficiency, power transfer, stiffness, durability, and overall ride quality.\u003c\/p\u003e\n\u003cp\u003eYet the market presented a challenge.\u003c\/p\u003e\n\u003cp\u003ePremium hubs continued to become more expensive, while many budget alternatives struggled to deliver the performance and reliability serious riders demanded.\u003c\/p\u003e\n\u003cp\u003eCyclists were constantly forced to choose between weight and stiffness, engagement speed and efficiency, performance and durability.\u003c\/p\u003e\n\u003cp\u003eWe believed they shouldn't have to.\u003c\/p\u003e\n\u003cp\u003eThat belief became the foundation of the PULSE R2 project.\u003c\/p\u003e\n\u003cp\u003eOur goal was never to create the lightest hub on the market.\u003c\/p\u003e\n\u003cp\u003eOur goal was to create the most balanced high-performance hub possible.\u003c\/p\u003e\n\u003cp\u003eA hub capable of delivering exceptional smoothness, rapid engagement, outstanding stiffness, long-term reliability, and competitive weight—all without compromise.\u003c\/p\u003e\n\u003cp\u003eAfter years of development, countless design iterations, laboratory testing, and real-world riding, the PULSE R2 was born.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0676\/3718\/2697\/files\/d5243dafeb2570cf9a4a8fa560cf597c_content_id_file_000000003ac071fd8f9c825d9f4a5110_ts_494762_p_fs_cid_1_sig_56673c2f0184cb14a06c68eb27f75c6e9548fa04bafde311a29f88091fc5e185_v_0.png?v=1781143754\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSmooth Rolling Performance\u003c\/h2\u003e\n\u003cp\u003eRolling resistance is one of the most important factors affecting wheel efficiency.\u003c\/p\u003e\n\u003cp\u003eIt determines how effortlessly a bike accelerates, maintains speed, and carries momentum.\u003c\/p\u003e\n\u003cp\u003eThe PULSE R2 is equipped with premium EZO sealed bearings or optional TPI ceramic bearings, combined with carefully selected low-viscosity lubricant to minimize friction while maintaining excellent protection and durability.\u003c\/p\u003e\n\u003cp\u003eThe result is a wheelset that feels smoother, faster, and more responsive.\u003c\/p\u003e\n\u003cp\u003eA wheel that simply feels alive beneath you.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFaster Engagement\u003c\/h2\u003e\n\u003cp\u003ePower transfer begins the moment you apply force to the pedals.\u003c\/p\u003e\n\u003cp\u003eThe faster the engagement, the more direct and responsive the ride feels.\u003c\/p\u003e\n\u003cp\u003eThe PULSE R2 features the DFS patented SSF ratchet system—Smoother, Simpler, Faster.\u003c\/p\u003e\n\u003cp\u003eAvailable in both 45T and 72T configurations, the system delivers an engagement angle of just 8° or 5°, ensuring near-instant power transfer during sprints, climbs, and technical riding situations.\u003c\/p\u003e\n\u003cp\u003eBeyond faster engagement, the SSF system is engineered to reduce drag, improve efficiency, simplify maintenance, and enhance long-term reliability.\u003c\/p\u003e\n\u003cp\u003eFast. Smooth. Efficient.\u003c\/p\u003e\n\u003cp\u003eExactly as a performance hub should be.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSuperior Stiffness\u003c\/h2\u003e\n\u003cp\u003eA wheelset can only perform as well as its foundation.\u003c\/p\u003e\n\u003cp\u003eHub stiffness directly influences power transfer efficiency and overall wheel stability.\u003c\/p\u003e\n\u003cp\u003eTo maximize stiffness, the PULSE R2 utilizes a 2:1 lacing platform combined with oversized 74mm flanges.\u003c\/p\u003e\n\u003cp\u003eThe larger flange diameter improves spoke bracing angles and increases both lateral and torsional stiffness.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the main bearing position has been moved further outward to provide greater support and wheel stability under load.\u003c\/p\u003e\n\u003cp\u003eWhether sprinting out of the saddle or pushing hard through corners, the PULSE R2 delivers a solid and direct riding feel with minimal energy loss.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBuilt To Last\u003c\/h2\u003e\n\u003cp\u003ePerformance means little without reliability.\u003c\/p\u003e\n\u003cp\u003eThe PULSE R2 is designed for riders who demand long-term durability and low maintenance.\u003c\/p\u003e\n\u003cp\u003eAn adjustable bearing preload system allows optimal bearing setup, improving smoothness while extending bearing life.\u003c\/p\u003e\n\u003cp\u003eThe freehub body is constructed from premium TC4 titanium alloy, offering exceptional resistance to cassette bite, corrosion, and long-term wear.\u003c\/p\u003e\n\u003cp\u003eIts simplified architecture enables tool-free disassembly and maintenance, reducing complexity while minimizing potential failure points.\u003c\/p\u003e\n\u003cp\u003eBecause confidence matters, every PULSE R2 hub is backed by a lifetime warranty on all hub components excluding bearings.\u003c\/p\u003e\n\u003cp\u003eBuilt to perform.\u003c\/p\u003e\n\u003cp\u003eBuilt to last.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eLightweight Without Sacrifice\u003c\/h2\u003e\n\u003cp\u003eWeight matters.\u003c\/p\u003e\n\u003cp\u003eBut lightweight design should never come at the expense of stiffness, strength, or reliability.\u003c\/p\u003e\n\u003cp\u003eAt approximately 285 grams per set, the PULSE R2 achieves impressive weight savings while maintaining the structural integrity required for serious performance riding.\u003c\/p\u003e\n\u003cp\u003eEvery gram removed was carefully considered.\u003c\/p\u003e\n\u003cp\u003eEvery design decision was made with balance in mind.\u003c\/p\u003e\n\u003cp\u003eThe result is a hub that feels light on climbs, responsive under acceleration, and dependable for years of riding.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCustomize Your Ride\u003c\/h2\u003e\n\u003cp\u003ePerformance is personal.\u003c\/p\u003e\n\u003cp\u003eThe PULSE R2 is available in a wide range of anodized color options and custom finishes, allowing riders to create wheelsets that reflect their individual style.\u003c\/p\u003e\n\u003cp\u003eFrom understated elegance to bold custom builds, the choice is yours.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eThe DFS Philosophy\u003c\/h2\u003e\n\u003cp\u003eAt DFS, we believe true performance is never defined by a single number.\u003c\/p\u003e\n\u003cp\u003eThe lightest hub isn't always the fastest.\u003c\/p\u003e\n\u003cp\u003eThe fastest engaging hub isn't always the smoothest.\u003c\/p\u003e\n\u003cp\u003eThe stiffest hub isn't always the most reliable.\u003c\/p\u003e\n\u003cp\u003eReal performance comes from balance.\u003c\/p\u003e\n\u003cp\u003eThat philosophy guided every decision behind the development of the PULSE R2.\u003c\/p\u003e\n\u003cp\u003eIt wasn't designed to be the lightest.\u003c\/p\u003e\n\u003cp\u003eIt wasn't designed to be the loudest.\u003c\/p\u003e\n\u003cp\u003eIt wasn't designed to chase specification-sheet records.\u003c\/p\u003e\n\u003cp\u003eIt was designed to deliver a better ride.\u003c\/p\u003e\n\u003cp\u003eSmoother acceleration.\u003c\/p\u003e\n\u003cp\u003eFaster response.\u003c\/p\u003e\n\u003cp\u003eGreater stiffness.\u003c\/p\u003e\n\u003cp\u003eLong-term reliability.\u003c\/p\u003e\n\u003cp\u003eA hub that performs exceptionally well in every category that truly matters.\u003c\/p\u003e\n\u003cp\u003ePULSE R2\u003c\/p\u003e\n\u003cp\u003eSmoothness.\u003cbr\u003eResponse.\u003cbr\u003eStiffness.\u003cbr\u003eReliability.\u003cbr\u003eWeight.\u003c\/p\u003e\n\u003cp\u003ePerfectly Balanced.\u003c\/p\u003e\n\u003cp\u003ePULSE R2\u003cbr\u003eEngineered for Speed. Built for Life.\u003c\/p\u003e\n\u003cp class=\"p\"\u003e\u003cspan class=\"10\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0676\/3718\/2697\/files\/f7fbb524181fbff6e76c4714e234d3d7.png?v=1781140573\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eBasic\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cul class=\"basic\"\u003e\n\u003cli class=\"brand\"\u003e\n\u003cspan\u003eBrand:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eDFS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"basic\"\u003e\n\u003cli class=\"name\"\u003e\n\u003cspan\u003eName:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ePULSE R2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"basic\"\u003e\n\u003cli class=\"materials\"\u003e\n\u003cspan\u003eMaterials:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eHigh-Strength 7-Series Aluminum Alloy Hub Shell，Titanium Alloy TC4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"basic\"\u003e\n\u003cli class=\"type\"\u003e\n\u003cspan\u003eType:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eStraight Pull\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"basic\"\u003e\n\u003cli class=\"color\"\u003e\n\u003cspan\u003eColor:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eBlack (or custom color $34)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"basic\"\u003e\n\u003cli class=\"ratchet teeth\"\u003e\n\u003cspan\u003eRatchet Teeth:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e45T, 72T\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"basic\"\u003e\n\u003cli class=\"net weight\"\u003e\n\u003cspan\u003eNet Weight:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e285g (front + rear)\u003c\/li\u003e\n\u003cli class=\"brake interface\"\u003e\n\u003cspan\u003eBrake Interface:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eDisc Center Lock\u003c\/li\u003e\n\u003cli class=\"warranty\"\u003e\n\u003cspan\u003eWarranty:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e2 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cul class=\"specification\"\u003e\n\u003cli class=\"drillings\"\u003e\n\u003cspan\u003eDrillings:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e21\/24\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFront Hub Specification\u003c\/h3\u003e\n\u003cul class=\"front hub specification\"\u003e\n\u003cli class=\"axles\"\u003e\n\u003cspan\u003eAxles:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e12mm x 100mm Thru Axle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"front hub specification\"\u003e\n\u003cli class=\"net weight\"\u003e\n\u003cspan\u003eNet Weight:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e89g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"front hub specification\"\u003e\n\u003cli class=\"materials\"\u003e\n\u003cspan\u003eMaterials:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e7-series high-strength aluminum alloy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRear Hub Specification\u003c\/h3\u003e\n\u003cul class=\"rear hub specification\"\u003e\n\u003cli class=\"axles\"\u003e\n\u003cspan\u003eAxles:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e12mm x 142mm Thru Axle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"rear hub specification\"\u003e\n\u003cli class=\"net weight\"\u003e\n\u003cspan\u003eNet Weight:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e195g \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"rear hub specification\"\u003e\n\u003cli class=\"materials\"\u003e\n\u003cspan\u003eMaterials:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\n\u003cdiv\u003e\n\u003cdiv data-wps-pdf-clip-meta=\"eyJmaWxlSWQiOiJjYVZPTFlkQjkwYTEiLCJ0ZXh0Qm94V2lkdGgiOjMzNC4zNjkwMDEzNTgzMDMzNiwidGV4dEJveEhlaWdodCI6OS41OTk4MTA1MDg0MTU2MDEsImxpbmVTcGFjZSI6MH0=\"\u003e\u003cspan\u003eHigh-Strength 7-Series Aluminum Alloy Hub Shell，Titanium Alloy TC4\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"我的商店","offers":[{"title":"Disc brake","offer_id":48152187764969,"sku":"","price":399.0,"currency_code":"USD","in_stock":true},{"title":"rim brake","offer_id":48152187797737,"sku":"","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/3718\/2697\/files\/fa29ac36fb67f14155a4505c9c2dbceb_content_id_file_0000000061487209acd5135de8cf72dd_ts_494760_p_fs_cid_1_sig_dd72e606c8d60cdaef3f419813a7fe03815623b9305e376d28a5945d43ae4293_v_0.png?v=1781140103","url":"https:\/\/dfscycle.com\/products\/road-bike-hub-rachet-system-r2-ultralight-road-bicycle-hub-cycle-disc-v-brake-hg-ms-xdr","provider":"DFScarbonwheels","version":"1.0","type":"link"}