Thanks to its double fulcrum architecture the front brake is able to grip the rim with around 70 of the total braking force the rear brake which only has a single fulcrum stops the rear wheel from swerving due to the lightening of the rear thanks to the application of a force that is lower than at the front the single pin structure also makes it possible to save a few grams compared with the double fulcrum one the analogy is obvious think of the abs on cars which prevents wheel locki