On an ABS-equipped bike, the hydraulic pressure flows through a pump controlled by that ABS module which is fitted with simple solenoid valves. The rider still actuates the brakes via hydraulic lines. Thanks to the ever-increasing sophistication of computerized control units, modern ABS has improved to the point where its actuation is undetectable and its effectiveness is undeniable.Īll ABS systems share the same basic components: a slotted ring on each wheel is used to monitor and compare wheel speeds, with a microprocessor in the ABS control unit, or module, making constant calculations. You’ll encounter riders who insist they’re better at braking than ABS is so they don’t need it, and these are probably the systems they’re remembering. They were able to prevent wheels from locking, but often couldn’t achieve the same rate of deceleration as a reasonably skilled rider and were prone to kicking in when not needed. The geometry and weight of the motorcycle also plays a part in this complicated equation.Įarly ABS systems weren’t very much of an improvement. The grip of the tires themselves varies by age, type, and condition. Weather, surface temperature, sand or other hazards, and uneven pavement all factor into the point at which motorcycle tires let go. Unfortunately, that threshold varies by road surface and condition.
When you get good at threshold braking you’ll recognize it by the howling noises your tires make. The maximum braking force a wheeled vehicle is able to achieve, called threshold braking, occurs just prior to wheel lockup.
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