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F// 4000
Robust. Safe. Modular.

// The master cylinder

Our F//4000 master cylinder is the result of precise, thorough development work and extensive know-how. It can be used modularly, is suitable for single and dual brake systems, and can be equipped with an additional lever for mechanical parking brakes and a brake signal switch. A specially developed system (SBP) allows our brake system to be bled quickly and easily, and thanks to the generous oil reservoir, the master cylinder provides a constant pressure point, right up to the brake pad wear limit. The forged aluminum and fiber-reinforced injection-molded components are absolutely reliable, safe, robust, and resilient.

// Technical specifications

Fahrwerker Bremsgeber single rechts_topview_composite 440x430.png
DIN 79010 compliant
Single and dual option with only one lever
Optimized for long hose lengths
Optimized mineral oil MO-LEV
Optional brake signal switch
Optional lever for controlling a parking brake
Ergonomic composite lever with ball end
Intelligent filling and bleed system
Patented or Patent Pending in US:
US 2024/0326765 A1

// Highlights

// The caliper

Our master cylinders and calipers are designed for both left- and right-hand mounting and provide sufficient force to safely brake even heavy cargo bikes and LEVs. The caliper piston is generously dimensioned and ensures perfect transmission of braking force to the disc. An integrated offset in the caliper reduces the variety of adapters. The top-load function and the post-mount system improve ease of service.

// Technical specifications

Fahrwerker caliper left
DIN ISO 79010 compliant
Left caliper
Right caliper
Postmount optimized for cargo bikes and LEVs
Can be shortened at the caliper
Topload function for easy pad change
Magnetic pad holder
High heat resistance
Integrated pad stop

// Highlights

// Combinations and Brake Mounts

// Service download

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