Hope E4/M4 Mono piston

Hope E4 / V4 / RX4 Mono Piston (16mm) - Genuine Replacement Spare

Restore the exceptional stopping power and flawless modulation of your Hope braking system with the genuine Hope Mono Piston. Designed for riders who demand peak performance and reliability, this replacement piston is the key to a complete and professional caliper service. If you´re experiencing a spongy lever feel, sticky pistons, or a general decline in braking force, replacing worn pistons can bring your brakes back to their factory-fresh best, ensuring safety and confidence on every ride.

This authentic replacement part is engineered to the same exacting standards as the original components in your brake caliper. Restore the power and reliability of your Hope brakes with this genuine replacement piston for E4, V4, and RX4 brake calipers. Constructed from a high-strength phenolic compound, this 16mm piston is engineered to ensure optimal braking performance and excellent heat management. This is the ideal part for servicing or rebuilding your brake calipers, ensuring they operate as smoothly and precisely as they did from the factory.

The use of a specialist phenolic material is a critical design choice, providing a significant thermal barrier between the brake pad and the hydraulic fluid. During long, aggressive descents where heat build-up can lead to brake fade and fluid boiling, this piston helps insulate the system, maintaining a consistent lever feel and dependable stopping power when it matters most. By choosing a genuine Hope spare, you guarantee perfect fitment, eliminating the risks associated with aftermarket parts and upholding the integrity of your entire brake system.

This piston is the definitive solution for the dedicated home mechanic or professional workshop looking to perform a meticulous overhaul on Hope E4, RX4, or V4 calipers. Restore the crisp, positive action of your brakes for more controlled and predictable handling on the trail.

Key Features
* Genuine Hope Spare Part: Ensures perfect compatibility, uncompromising quality, and the restoration of original factory performance.
* Broad Compatibility: Specifically designed as the 16mm piston for Hope E4, Hope RX4, and as the small piston within Hope V4 brake calipers.
* Advanced Material: Manufactured from a specialist phenolic compound prized for its superior heat dissipation properties, which actively combat brake fade.
* Precision Sizing: A precisely engineered 16mm diameter guarantees a perfect seal and smooth, drag-free actuation within the caliper bore.
* Sales Unit: Sold individually, allowing you to purchase the exact quantity required for your specific service needs.

Technical Specifications
* Brand: Hope
* Product: Mono Piston
* Category: Spare Parts
* Attribute: Pistons
* Compatibility: Hope E4, Hope V4 (small piston only), Hope RX4 Calipers
* Diameter: 16mm
* Material: Phenolic Compound