{"product_id":"shimano-grx-rd-rx400-10speed","title":"Shimano GRX RD-RX400 10Speed","description":"\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eGravel-Tuned Stability. Silent Precision.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003eThe Shimano GRX RD-RX400 is a 10Speed mechanical derailleur that features an integrated chain stabilizer, better known as a \u003cb data-path-to-node=\"3\" data-index-in-node=\"125\"\u003eclutch\u003c\/b\u003e. By toggling the \u003cb data-path-to-node=\"3\" data-index-in-node=\"149\"\u003eShadow RD+\u003c\/b\u003e switch, you can engage a friction-clutch mechanism that virtually eliminates chain slap and dropped chains on rough terrain. When you're back on smooth pavement, simply flip the switch to \"OFF\" for a lighter shifting feel and effortless wheel removals.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eWhy the RX400 is a Gravel Game-Changer:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eIntegrated Chain Stabilizer (Clutch):\u003c\/b\u003e The adjustable Shadow RD+ clutch provides a quieter ride and vastly improves chain retention, allowing you to focus on the trail instead of your drivetrain.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eShadow RD Profile:\u003c\/b\u003e Features a low-profile design that sits closer to the frame, significantly reducing the risk of the derailleur catching on rocks, branches, or trail debris.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eWide-Range Gearing:\u003c\/b\u003e Designed specifically for 2x10Speed setups, it comfortably clears a \u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"89\"\u003e36T low sprocket\u003c\/b\u003e, giving you the climbing gears needed for steep, loose fire roads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eModern Shifting Ratio:\u003c\/b\u003e Utilizes the same refined cable pull ratio as the Tiagra 4700 and Shimano 11Speed road groups, providing a crisper, more reliable shift than older 10Speed systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,4,0\"\u003e\u003cb data-path-to-node=\"5,4,0\" data-index-in-node=\"0\"\u003eGravel-Specific Tension:\u003c\/b\u003e The internal spring and clutch tension are specifically tuned for the high-frequency vibrations of gravel riding, ensuring the derailleur stays in place even on washboard descents.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,5,0\"\u003e\u003cb data-path-to-node=\"5,5,0\" data-index-in-node=\"0\"\u003eSilent Performance:\u003c\/b\u003e Between the clutch and the optimized pulley cage, the RX400 provides one of the quietest 10Speed riding experiences on the market.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eSpeeds:\u003c\/b\u003e 10Speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eMax Low Sprocket:\u003c\/b\u003e 36T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eMin Low Sprocket:\u003c\/b\u003e 32T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eMax Front Difference:\u003c\/b\u003e 16T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eTotal Capacity:\u003c\/b\u003e 41T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,5,0\"\u003e\u003cb data-path-to-node=\"7,5,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Shimano GRX ST-RX400, Tiagra 4700 series shifters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,6,0\"\u003e\u003cb data-path-to-node=\"7,6,0\" data-index-in-node=\"0\"\u003eWeight:\u003c\/b\u003e Approx. 303g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003cp data-path-to-node=\"9,0\"\u003e\u003cb data-path-to-node=\"9,0\" data-index-in-node=\"0\"\u003eThe Alegro Perspective:\u003c\/b\u003e In the shop, we call the RX400 the \"Tiagra of the dirt\". That’s a huge compliment. It brings the legendary reliability of Shimano’s mid-tier road groups to a package that can actually handle singletrack. If you are upgrading an older 10Speed gravel bike or building a budget \"all-road\" machine, the clutch on this derailleur is the single best performance upgrade you can make for under $100.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eClutch-Driven Security. Low-Profile Design. Gravel-Ready with Shimano GRX.\u003c\/b\u003e\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":48749979173087,"sku":"IRDRX400","price":90.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/5452\/3103\/files\/260238-01_1.jpg?v=1775060853","url":"https:\/\/alegrocycles.com\/products\/shimano-grx-rd-rx400-10speed","provider":"Alegro Cycles","version":"1.0","type":"link"}