Shimano J04C-MF (Metal)

Sintered Power. Heat-Defying Technology.

The Shimano J04C Metallic Pads are designed for maximum stopping power and extreme longevity. By utilizing a sintered metallic compound, these pads offer a much higher resistance to brake fade and wear compared to standard resin pads, making them the "gold standard" for winter riding, heavy E-bikes, and long, technical downhill stretches.

Why the J04C is a Performance Essential:

• Ice-Tech Cooling Fins: Features integrated aluminum radiator fins that pull heat away from the braking surface and dissipate it into the air. This results in a 50°C reduction in surface temperature, virtually eliminating brake fade.

• Sintered Metallic Compound: Provides a firm, aggressive "bite" with consistent performance in both bone-dry dust and torrential mud. It is significantly more durable than resin, lasting through seasons that would melt lesser pads.

• All-Weather Reliability: Metallic pads don't just last longer; they maintain their friction coefficient in wet conditions, giving you predictable, "stop-on-a-dime" confidence when the trail gets greasy.

• Reduced Brake Fade: The combination of the metallic compound and the cooling fins ensures that your lever feel stays consistent, preventing that "spongy" sensation during prolonged braking on steep gradients.

• Interchangeable Design: Fully compatible with Shimano 2-piston calipers that take G-Type or F-Type pads, making it an easy "plug-and-play" performance upgrade for your current brakes.

• Complete Kit: Each package includes a pair of pads (for one caliper), the high-tension return spring, and a fresh split pin for a safe, professional installation.

Technical Specifications:

• Model Code: J04C / IBPJ04CMFA

• Compound: Sintered Metal

• Backplate: Stainless Steel with Aluminum Cooling Fins

• Compatibility: Shimano XTR (M9000/9020/987/985), XT (M8100/8000/785), SLX (M7100/7000/675), Deore (M6100/6000/615), and Alfine/Road (S700/RS785/R785)

• Piston Type: 2-Piston Calipers

• Weight: Lightweight with high heat-dissipation focus

The Alegro Perspective: In the shop, we call these the "peace of mind" pads. If you’re a heavier rider or someone who loves technical descending, you’ve likely felt your brakes "go soft" at the end of a long run. The J04C solves that. While they can be a bit noisier than resin in the wet (the classic metallic "squeal"), the trade-off is a brake that works every single time you pull the lever, regardless of how hot or dirty it gets.

Consistent Power. Industrial Heat Management. Control the Descent with Shimano.