In the last couple of episodes here at MCrider we have talked about emergency braking on a motorcycle. In episode 9 we discussed How to stop quickly in a curve and in episode 10 we discussed straight line emergency braking. This week on MCrider I want to discuss the most important option you can have on your motorcycle to potentially save your life. ABS
Here are some simple stats:
- If you compare fatal crash studies of the same exact motorcycle model offered with ABS and without ABS. Those with ABS are in 31 per cent fewer fatal accidents.
- Insurance claims for collision are filed 20% less often on motorcycle with ABS and 31% less often when the motorcycle has ABS and linked braking combined.
- On a test track both new and experienced riders stop more quickly with modern anti-lock brakes. Stopping distance improved on both wet and dry surfaces.
ABS on my Super Tenere
The video above shows me testing the ABS system on my Super Tenere. I am on a gravel road at about 25 MPH coming down a slight incline. At the bottom of the incline I go aggressively to the front and the rear brakes at the same time. If the Super Tenere did not have ABS I would likely end up on my ear in this same scenario.
How ABS works
An antilock braking system works by constantly measuring wheel speed. One common way to do this is with a small grooved ring near the brake disc often called a tone wheel. The wheel speed sensor sends the tone wheel readings to the ABS unit, which can determine whether the wheel is about to stop rotating. If it is, wheel speed information is used to adjust the pressure from the brake cylinder on the brake caliper multiple times per second. Much faster than a human could ever make adjustments to the brake pressure.
Not only is ABS faster at making adjustments to the brakes it is not having to deal with the fear of a crash that a rider is dealing with in an emergency situation.
ABS braking techniques
The technique for braking with an ABS system is exactly the same as without. Use both brakes in unison with a progressive squeeze on the front brake. You still want the motorcycle to have time to shift weight forward putting more weight on the front tire. if you have any questions about proper braking technique go back and watch episode 9 and 10. In an emergency stop ABS sits in the background and only intervenes if a tire begins to lose traction and will only intervene until traction is regained.
ABS is not a substitute for the inability to stop a motorcycle quickly in an emergency, you still need to practice BUT it is a fantastic safety net that may very well save your neck out on the road.
