ZTZ MTB Hydraulic Disc Brake Set, 4 Piston Hydraulic Brakes with Ceramic Pads, Front 850mm & Rear 1550mm Hoses, Compatible with Mountain Bike,Ebike,Fat Bike （Pre-Bled） (Silver) — Open-Box, 6% Off

【High-Power 4-Piston Braking Performance】Engineered with a true 4-piston hydraulic system, delivering up to 45% more braking force than standard 2-piston brakes. Reduces stopping distance by up to 7.2 ft at 30 km/h, providing stronger, more balanced braking with confident one- or two-finger control on trails and descents

【Ceramic Pads –Quieter, More Consistent】Equipped with ceramic-metal composite brake pads that lower braking surface temperatures by up to 38%, maintaining stable performance on long descents. Designed to deliver significantly reduced noise compared to traditional resin pads for smoother, quieter braking

【CNC-Machined Aluminum – Strength Without Extra Weight】Precision CNC-machined calipers and levers are built from high-strength aluminum alloy, ensuring rigidity and durability under load. Lightweight design at just 215g (front) / 238g (rear) improves overall bike handling and responsiveness

【Pre-Bled System – Easy Installation】Pre-filled with mineral oil for true plug-and-play setup—no bleeding required. Hose lengths: 850mm (front) / 1550mm (rear). Designed for straightforward installation on most standard bike frames. Please confirm routing compatibility before purchase

【Wide Compatibility for MTB & Ebikes】 Compatible with most mountain bikes, eBikes, fat bikes, folding bikes, trail and downhill setups. Designed for Post Mount frames (160mm rotors). Other mounting standards may require additional adapters (not included)

Engineered for riders who demand stronger, more consistent braking, this 4-piston hydraulic brake set delivers up to 45% more stopping power than standard systems. Ceramic-metal pads reduce heat and noise, while CNC-machined aluminum ensures strength without extra weight. Pre-bled for easy installation, it’s a reliable upgrade for MTB and eBike performance.