{"product_id":"shimano-br-mt420-4-piston-hydraulic-rear-disc-brake-set-bl-mt401-left-lever","title":"Shimano BR-MT420 4-Piston Hydraulic Rear Disc Brake Set | BL-MT401 Left Lever","description":"\u003cp\u003e\u003cstrong\u003eShimano BR-MT420 4-Piston Hydraulic Rear Disc Brake Set | BL-MT401 Left Lever\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Shimano BR-MT420 Hydraulic Rear Disc Brake Set is designed for riders who demand greater stopping power, improved control, and dependable braking performance on technical trails. Featuring a powerful 4-piston BR-MT420 caliper paired with the ergonomic BL-MT401 left-hand brake lever, this complete hydraulic brake system delivers confidence-inspiring braking for trail, enduro, e-MTB, and aggressive mountain biking.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWith Shimano's proven One-Way Bleeding technology, mineral oil system, and fully hydraulic performance, the BR-MT420 offers exceptional braking consistency in all riding conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eComplete rear hydraulic disc brake set\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShimano BR-MT420 4-piston caliper\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShimano BL-MT401 left brake lever\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePowerful 4-piston braking performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUp to 90% more braking power than the BR-MT520*\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApproximately 20% more braking power than Shimano MT400 2-piston brakes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved brake pad durability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShimano One-Way Bleeding technology\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShimano mineral oil system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePost Mount caliper\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with 140mm–220mm rotors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for trail, enduro, e-MTB, and aggressive MTB riding\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePowerful 4-Piston Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BR-MT420's four-piston caliper delivers significantly greater braking force and improved heat management compared to traditional two-piston systems. The result is greater control on steep descents, improved modulation, and increased rider confidence when riding demanding terrain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGreater Control on Technical Trails\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for aggressive mountain biking, the MT420 provides consistent braking performance across long descents, technical rock gardens, and challenging trail conditions where reliable stopping power matters most.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eErgonomic BL-MT401 Brake Lever\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Shimano BL-MT401 left-hand brake lever offers a comfortable ergonomic design with smooth hydraulic actuation for precise braking control. The lever is engineered to provide excellent modulation and rider comfort across long days on the trail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReliable Shimano Hydraulic Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUsing Shimano's proven mineral oil hydraulic system, the MT420 delivers smooth lever feel, dependable braking consistency, and reduced maintenance requirements over the life of the brake.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy Maintenance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShimano's One-Way Bleeding technology simplifies servicing by making brake bleeding faster, cleaner, and more efficient whenever maintenance is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRotor Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BR-MT420 is compatible with a wide range of rotor sizes, allowing riders to tailor braking performance to their riding style.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCompatible rotor sizes include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e140mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e160mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e180mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e203mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e220mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCompatible with Shimano SM-RT30, SM-RT54, SM-RT56 and SM-RT64 disc brake rotors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for Modern Mountain Bikes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhether you're upgrading your trail bike, e-MTB, or enduro machine, the Shimano BR-MT420 delivers the stopping power, durability, and reliability needed for aggressive riding and demanding conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShimano Braking You Can Trust\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCombining a powerful 4-piston caliper, ergonomic BL-MT401 lever, and Shimano's trusted hydraulic technology, the BR-MT420 Rear Disc Brake Set is an outstanding upgrade for riders seeking greater braking confidence on every ride.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"cmp-itemlist-accordion\"\u003e\n\u003cdiv class=\"cmp-itemlist-accordion\"\u003e\n\u003cdiv class=\"cmp-itemlist-accordion__accordion-section cmp-itemlist-accordion__accordion-section--is-opened\"\u003e\n\u003cdiv class=\"cmp-itemlist-accordion__contents\" data-starting-height=\"28\" data-final-height=\"76.78125\"\u003e\n\u003cdiv class=\"cmp-itemlist-accordion\"\u003e\n\u003cdiv class=\"cmp-itemlist-accordion__accordion-section cmp-itemlist-accordion__accordion-section--is-opened\"\u003e\n\u003cdiv class=\"cmp-itemlist-accordion__always-visible-section\"\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cmp-itemlist-accordion__accordion-section cmp-itemlist-accordion__accordion-section--is-opened\"\u003e\n\u003cdiv class=\"cmp-itemlist-accordion__contents\" data-starting-height=\"28\" data-final-height=\"76.78125\"\u003e\n\u003cdiv class=\"cmp-itemlist-accordion\"\u003e\n\u003cdiv class=\"cmp-itemlist-accordion\"\u003e\n\u003cdiv class=\"cmp-itemlist-accordion__always-visible-section\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cmp-itemlist-accordion__contents\" data-starting-height=\"0\" data-final-height=\"26.875\"\u003e\n\u003ctable width=\"100%\" style=\"width: 99.9972%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8447%;\"\u003e\u003cstrong\u003eMT401 Left Lever\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7895%;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8447%;\"\u003e\u003cstrong\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7895%;\"\u003e\u003cspan\u003eMT401\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8447%;\"\u003e\u003cstrong\u003e\u003cspan\u003eType\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7895%;\"\u003e\u003cspan\u003eHydraulic Disc Brake Lever\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8447%;\"\u003e\u003cstrong\u003e\u003cspan\u003eLever Size\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7895%;\"\u003e\u003cspan\u003e2 Finger\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8447%;\"\u003e\u003cstrong\u003e\u003cspan\u003eHose Joint\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7895%;\"\u003e\u003cspan\u003eStraight\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8447%;\"\u003e\u003cstrong\u003e\u003cspan\u003eReach\/Adjust\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7895%;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8447%;\"\u003e\u003cstrong\u003e\u003cspan\u003eOil\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7895%;\"\u003e\u003cspan\u003eShimano Mineral Oil\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cmp-itemlist-accordion__accordion-section cmp-itemlist-accordion__accordion-section--is-opened\"\u003e\n\u003ctable width=\"100%\" style=\"width: 99.9972%; height: 39.1796px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.4895%; height: 19.5898px;\"\u003e \u003cstrong\u003eMT420 Rear Caliper\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 65.3297%; height: 19.5898px;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.4895%; height: 19.5898px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.3297%; height: 19.5898px;\"\u003eBR-MT420\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.4895%;\"\u003e\u003cstrong\u003eCaliper\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.3297%;\"\u003e4 pistons for maximum stopping power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.4895%;\"\u003e\u003cspan\u003e\u003cstrong\u003eHose joint\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.3297%;\"\u003eStraight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.4895%;\"\u003e\u003cspan\u003e\u003cstrong\u003eBrake pads\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.3297%;\"\u003eD03S-RX Resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.4895%;\"\u003e\u003cspan\u003e\u003cstrong\u003eRotor size compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.3297%;\"\u003e140\/160\/180\/203\/220mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.4895%;\"\u003e\u003cstrong\u003eOil\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.3297%;\"\u003eShimano Mineral Oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":47457783677121,"sku":"EMT401EJHRXRA170","price":189.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/4754\/4001\/files\/BL-MT401-L_BR-MT420.png?v=1702447589","url":"https:\/\/bikes.com.au\/products\/shimano-br-mt420-4-piston-hydraulic-rear-disc-brake-set-bl-mt401-left-lever","provider":"bikes.com.au","version":"1.0","type":"link"}