{"product_id":"shimano-rt-em810-disc-rotor-disc-rotor-dsrt0445-bicycle-rotor","title":"Shimano RT-EM810 203mm Disc Brake Rotor with ICE Technologies FREEZA, Center Lock, External Lockring, Rear MTB, E-Bike Ready, Heat-Resistant Alloy","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eElevate your mountain biking and e-MTB performance with the Shimano Steps RT-EM810 Disc Brake Rotor - a 203mm, rear-specific, high-performance braking component engineered for durability, heat management, and reliable stopping power. Designed with advanced materials and innovative technology, this rotor ensures consistent braking in the most demanding riding conditions, from steep descents to technical trails.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Performance Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from high-quality, one-piece stainless steel, the Shimano RT-EM810 features the ICE TECHNOLOGIES FREEZA design, dramatically reducing heat build-up during prolonged braking. This advanced heat dissipation system, complemented by radiator fins, maintains optimal brake performance, minimizing fade and ensuring your bike remains responsive in steep downhill sections.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eComponents \u0026amp; Compatibility:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eEngineered for seamless integration with Shimano's high-end brake kits such as M9120, M8120, and M7120, the RT-EM810 utilizes a Center Lock mounting system for secure and quick installation. The external lockring design simplifies rotor removal and replacement, making maintenance efficient. Ideal for e-Mountain Bikes and trail bikes, this 203mm rotor delivers powerful, consistent stopping force across all pad compounds, including resin and metallic options.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eDesign \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eWith a 1.5mm thickness and a robust, one-piece construction, the RT-EM810 is built for high durability and performance under rigorous conditions. The rotor's aggressive design and heat-dissipating features make it the perfect choice for aggressive trail riding, e-MTBs, and downhill biking where secure braking and heat management are critical.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eInnovative Features \u0026amp; Benefits:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Large 203mm Diameter: Provides increased leverage for powerful stopping distances.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- ICE TECHNOLOGIES FREEZA: Ensures cooler operation and longer rotor life.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Radiator Fins \u0026amp; High Heat Dissipation: Reduces overheating during intense descents.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Center Lock Compatibility: For reliable, quick setup with Shimano hubs.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Rear-Only Design: Perfectly suited for the rear wheel, offering balanced braking.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003eOptimize your bike's braking system with the Shimano Steps RT-EM810 Disc Brake Rotor - engineered for high performance, durability, and peace of mind on every trail. Boost your riding confidence with a rotor designed for relentless downhill adventures and demanding e-MTB applications.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-performance 203mm disc brake rotor featuring Shimano's ICE TECHNOLOGIES FREEZA design for superior heat management and consistent braking in all riding conditions. \u003c\/li\u003e\n\u003cli\u003eConstructed from durable, high-quality stainless steel with a transparent external lockring for easy installation and secure fit with Center Lock hubs. \u003c\/li\u003e\n\u003cli\u003eEngineered with innovative radiator fins for enhanced heat dissipation, reducing brake fade during steep descents and prolonged rides. \u003c\/li\u003e\n\u003cli\u003eCompatible with Shimano M9120, M8120, and M7120 brake kits, making it an ideal upgrade for high-end mountain bikes and e-MTBs requiring powerful rear braking performance. \u003c\/li\u003e\n\u003cli\u003eDesigned for quick and secure installation using Center Lock system, the RT-EM810 offers a lightweight (166g) one-piece construction optimized for aggressive riding and demanding terrain.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42205264871491,"sku":"DSRT0445","price":90.51,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/BR1027.jpg?v=1780597695","url":"https:\/\/365cycles.com\/products\/shimano-rt-em810-disc-rotor-disc-rotor-dsrt0445-bicycle-rotor","provider":"365 Cycles","version":"1.0","type":"link"}