{"product_id":"shimano-disc-brake-br-m9020-xtr-j04c-metal-pad","title":"Shimano Disc Brake Br-M9020 Xtr (J04c Metal Pad)","description":"\u003ch1\u003eShimano BR-M9020 XTR Hydraulic Disc Brake\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Shimano BR-M9020 XTR is a performance trail and enduro disc brake caliper engineered for technical terrain and sustained descents. This caliper combines advanced heat management with improved modulation through insulated pistons, new servo wave cam geometry, and ICE Technology radiator pads. At 110g with pads included, it delivers responsive braking control and stable performance across extreme conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced heat control system\u003c\/strong\u003e – ICE Technology radiator pads and insulated piston design (GFRP) maintain consistent braking power during extended descents and sustained braking; reduces temperature-induced performance fade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulated piston (GFRP)\u003c\/strong\u003e – High-insulation resin construction resists thermal expansion and maintains predictable modulation across wide temperature ranges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew servo wave with smooth cam\u003c\/strong\u003e – Improved piston geometry delivers smoother engagement and more linear modulation throughout the lever stroke; eliminates on\/off characteristics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShorter free stroke\u003c\/strong\u003e – Reduced initial lever travel before brake engagement improves responsiveness and reduces fatigue on technical terrain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew CFRP\/alloy structure\u003c\/strong\u003e – Carbon fiber reinforced polymer combined with aluminum optimizes rigidity-to-weight ratio; delivers crisp power transfer without excess material\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-rigidity aluminum caliper\u003c\/strong\u003e – Precision-machined design resists flex under heavy braking; maintains consistent rotor alignment and pad contact\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJ04C metal pads with cooling fins\u003c\/strong\u003e – Superior friction material delivers excellent modulation and power; integrated cooling fins maximize heat dissipation during extended braking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved modulation and response\u003c\/strong\u003e – Enduro\/trail-focused power ratio balances stopping force with precise control for technical descents and varied terrain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI-SPEC II compatibility\u003c\/strong\u003e – Narrow band design reduces handlebar clutter while maintaining ergonomic lever positioning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew insulated pad coating\u003c\/strong\u003e – Proprietary coating resists water intrusion and maintains consistent performance in wet, muddy, and extreme conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake type:\u003c\/strong\u003e Hydraulic disc, 2-piston\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount type:\u003c\/strong\u003e Post-mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e XTR M9020\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 110g (caliper and pads included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper material:\u003c\/strong\u003e Aluminum alloy (high-rigidity design)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston type:\u003c\/strong\u003e 2 pistons with GFRP high-insulation resin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston insulation:\u003c\/strong\u003e GFRP (glass fiber reinforced polymer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad specification:\u003c\/strong\u003e J04C Metal with cooling fins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad coating:\u003c\/strong\u003e New insulated coating for water resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServo wave:\u003c\/strong\u003e New geometry with smooth cam profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructure:\u003c\/strong\u003e CFRP\/alloy composite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHose connection:\u003c\/strong\u003e (Not specified in product data—confirm with Shimano documentation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic fluid:\u003c\/strong\u003e Shimano Mineral Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLever interface:\u003c\/strong\u003e I-SPEC II\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Silver\/Anthracite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance specification:\u003c\/strong\u003e Enduro\/trail-related power ratio\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility and Ideal Use Cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible levers:\u003c\/strong\u003e BL-M9020 (Shimano recommended); I-SPEC II interface; works with XTR mineral oil hydraulic levers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible rotors:\u003c\/strong\u003e 140mm–180mm standard rotors; Shimano XTR rotors (SM-RT99, SM-RT86) recommended for optimal heat management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame requirement:\u003c\/strong\u003e Post-mount brake mounts (modern mountain bike standard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid type:\u003c\/strong\u003e Shimano Mineral Oil only; do not mix with DOT fluid systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad type:\u003c\/strong\u003e J04C Metal (standard); compatible with other XTR metal pad options\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e Trail and enduro riders, technical terrain specialists, riders prioritizing heat management and modulation, and performance-focused mountain bikers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal conditions:\u003c\/strong\u003e Steep descents, sustained braking, muddy terrain, extreme temperatures, and technical trail riding where precise control is critical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires mechanical skill and proper bleeding with Shimano mineral oil; I-SPEC II lever interface requires compatible shifter setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Metal pads deliver superior modulation but produce more noise—normal for J04C material; cooling fins critical for heat dissipation on long descents; ICE Technology coating maintains performance in wet conditions; insulated piston design resists temperature-induced performance variation; monitor pad wear regularly and replace with J04C or compatible metal pads; servo wave geometry optimized for trail riding—not intended for XC racing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ci\u003e\u003cu\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e**Due to unique nature of this item, ALL sales of this product are FINAL. No Refunds or Returns**\u003c\/b\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e","brand":"SHIMANO","offers":[{"title":"Grey","offer_id":45037849641139,"sku":"SHIBRM9020FPMF","price":220.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8737\/2979\/files\/shimano-disc-brake-br-m9020-xtr-j04c-metal-pad_dc9a2a30-62e4-409b-9652-4c8a07c2c04d.jpg?v=1783443706","url":"https:\/\/time2shinebmx.com\/products\/shimano-disc-brake-br-m9020-xtr-j04c-metal-pad","provider":"Time 2 Shine ","version":"1.0","type":"link"}