{"product_id":"shimano-rt-em810-disc-rotor-disc-rotor-dsrt0444-bicycle-rotor","title":"Shimano RT-EM810 180mm Center Lock Disc Brake Rotor with ICE Technologies Freeza Heat Dissipation for Mountain \u0026 e-Bike Ride Performance","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eEnhance your downhill and trail riding with the Shimano Steps RT-EM810 Disc Brake Rotor - a high-performance, 180mm, Center Lock, External Lockring rotor designed specifically for rear applications. Built with premium materials and advanced engineering, this rotor offers outstanding durability, heat dissipation, and consistent braking performance in all riding conditions.\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 a robust one-piece stainless steel design, the Shimano RT-EM810 features Shimano's innovative ICE TECHNOLOGIES FREEZA technology, which significantly reduces heat build-up during intense braking. The incorporation of radiator fins enhances heat dissipation, preventing brake fade and ensuring reliable stopping power even on steep, technical descents.\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 for superior braking efficiency, the RT-EM810 is compatible with all pad compounds, giving riders the flexibility to choose optimal braking performance for different terrains. Its 1.5mm thick rotor combines strength and lightweight design, weighing only 140 grams without compromising structural integrity. Perfectly suited for use with Shimano's high-end M9120, M8120, and M7120 brake kits, it guarantees powerful and consistent braking over extensive rides.\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\u003eDesigned with a Center Lock mounting system, installing or removing the rotor is quick and hassle-free thanks to the spine mount and lockring design. The external lockring facilitates easy serviceability, ensuring minimal downtime and maintenance. The rotor's compatibility with speed sensor systems makes it an ideal choice for e-bikes and advanced mountain bikes that require precise pedal assistance and system integration.\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\u003eThe sleek, black finish not only adds a modern aesthetic to your bike but also provides corrosion resistance and durability. Whether you're tackling rugged mountain trails, technical downhill courses, or long endurance rides, the Shimano RT-EM810 ensures reliable braking performance, making it the perfect upgrade for serious cyclists seeking confidence and control.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eKey Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- 180mm Diameter for optimal heat dissipation and stopping power\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- ICE TECHNOLOGIES FREEZA for reduced heat build-up\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Center Lock mounting system for quick installation and removal\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- External Lockring for easy maintenance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Compatible with Shimano M9120\/M8120\/M7120 brake kits\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Suitable for all pad compounds and rear applications\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eUpgrade your braking system with the Shimano RT-EM810 Disc Brake Rotor and experience powerful, consistent, and heat-resistant performance on every ride. Ideal for mountain biking, enduro, and downhill disciplines, this rotor is engineered to elevate your riding experience.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003ePowerful and reliable stopping power with the Shimano RT-EM810 Disc Brake Rotor, designed for rear MTB and e-bike applications. \u003c\/li\u003e\n\u003cli\u003eConstructed from high-quality steel with an ICE TECHNOLOGIES FREEZA design, this 180mm rotor effectively reduces heat buildup to maintain consistent braking performance during long downhill rides. \u003c\/li\u003e\n\u003cli\u003eFeatures a Center Lock mounting system with external lockring for quick, secure installation and easy removal, ensuring hassle-free maintenance and compatibility with Shimano M9120, M8120, and M7120 brake sets. \u003c\/li\u003e\n\u003cli\u003eOptimized for trail, enduro, and e-bike use, this rotor's radiator fin design enhances heat dissipation, preventing brake fade and ensuring sustained performance in demanding conditions. \u003c\/li\u003e\n\u003cli\u003eEngineered for versatility and durability, the RT-EM810 is compatible with all pad compounds and built for aggressive riding, making it the ideal choice for riders seeking precise modulation and superior braking control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42205265068099,"sku":"DSRT0444","price":100.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/BR1028.jpg?v=1780626958","url":"https:\/\/365cycles.com\/products\/shimano-rt-em810-disc-rotor-disc-rotor-dsrt0444-bicycle-rotor","provider":"365 Cycles","version":"1.0","type":"link"}