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Typically ships in 5-10 days. If you have any questions please contact us.


BGM four piston hydraulic brake caliper as used on the BGM hydraulic anti-dive disc brake and other aftermarket systems for both Lambretta and Vespa. Includes, two-part CNC machined housing made of high-strength anodized aluminum, brake pads, bleeder valve and crush washers.

With a 4x25mm piston, the saddle has a piston area of ​​over 40% more than a conventional two-piston saddle with a 30mm piston. The hydraulic transmission ratio is greatly improved and the braking force (at the same lever force) is increased. A further advantage of the 4 piston technology is the symmetrical load on the linings, as a result of which they always lie fully. A pad change is done quickly and easily by means of a stud screw. A great advantage in racing. Central connection of the brake line.

Fits the BGM brake caliper mount for Lambretta, PX, PK, T5 and Cosa.

Piston diameter: 4x 25mm
Mounting Type: Radial
Hole punch: 80mm
Mounting holes: Ø 8mm
Brake pipe connection: M10x1,25mm
Venting nipple integrated into brake banjo bolt
Can be driven with original brake pump
Recommended Brake Brake Piston Diameter:
Hour pump: 12-13mm
Radial pump: 10-11mm