19 x 18: is an extreme version too, Only for track use, not compatible with ABS.

This model, made of fully machined aluminum by numerical control machines (CNC), guarantees excellent performance together with a limited weight and great resistance.

Specifications:
-- Piston diameter 19 mm
-- Leverage translation 18 mm
-- with hinged lever, Standard
-- Housing aluminum, CNC
-- Hard anodized
-- Hydraulic brakeswitch possible
-- Brake Fluid DOT 4
-- Weight 264 grams

Available spare parts:
10523116 Bent folding lever kit
10426660 Push rod replacement kit
10281580 handlebar clamp
10459240 lever mounting
A6500960 clip for fastening leverage
10511010 lever setting (leverage)
10510710 lever screw Leverage (outside)
A51101046 span pen for 10510710
05338760 bleeder screw
10312710 hose connection