even with a 2hp compressor 24L (ie the lowest power segment) functioned satisfactorily the part ... -at car refilling super -When motorcycle did not bring one single air bubbles during the master cylinder in order to get out ... but was also as a challenge (classic Bleed down "press up" of the brake fluid from the brake caliper towards the master cylinder (with syringe) etc. -> But I do not see it as a weakness ... and va. it could possibly. also due to my rather weak compressor.