This simple and inexpensive piece of plastic does an excellent job preventing forearm ache on long rides. It's known as a crampbuster, named after the company that came up with this idea, but also goes by other names like "throttle assist". Some even call it "manual cruise control".

I have one of these wrapped around the throttles of all my motorcycles. With this on I need to simply place my right hand on the throttle and rest the base of my palm on the protruding plastic. There is no need to grip the throttle at all. Acceleration and deceleration is done with the base of the palm.

The way the human brain works, if the right hand is gripping something tight, the left hand involuntarily starts gripping as well. So on a day long ride you end up with aching forearms due to constantly gripping the handlebar. This simple piece of plastic prevents that.

There is another important advantage which isn't obvious when you look at this piece of plastic. Since my hand rests on the throttle I can uncurl my fingers and rest them on the front brake lever. By doing that I can react faster to any emergency situation and squeeze my front brake the instant I decide to. If my fingers were wrapped around the throttle, it would take me some time to straighten them out, wrap them around the brake lever and squeeze. I know that's just a fraction of a second. But depending on the speed I am riding, a fraction of a second could cut down my stopping distance by a few meters. Sometimes a fraction of a second is all that separates a crash from a near miss.

Product Link: Crampbuster - CB2

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Deelip Menezes
www.deelipmenezes.com

I don't think so. Your going to have to get you palm off the bit of plastic to let the engine stop pushing your forward. That is extra time. And the bit of plastic will interfere with getting a good grip on the bar to apply maximum brake pressure. For an emergency situation

The palm can stay where it is. There is no need to lift the entire palm off. Just lift the base of the palm a little to stop accelerating and squeeze in the fingers at the same time to apply the brake. I've been riding like this for years and haven't faced a problem.

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Deelip Menezes
www.deelipmenezes.com

Be careful with these things have seen a couple people crash due them. Especillay when riding off road over rough terrain.

Far better option is the Omni Throttle lock.

You would take it off for off-road riding.. they're only good for long stretches of highway.

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Mike


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BMW R1150GS
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Used one for years, no issues.

There are so many variations on how the throttle and brake are held it's going to be down to personal choice and hand size/strength. If you squeeze the lever against the thumb you naturally create a rolling motion the wrong way at the wrist which a round grip more naturally avoids. If you hold the forearm rigid from the shoulder/elbow area the fingers, thumb and heel of the palm can do independent things.

I think I apply the front brake by hooking my fingers round the lever and pulling my elbow back. Probably comes from years of cable operated drums that weren't going to respond to a two finger squeeze.

If you were designing a bike today without needing to follow common practice the throttle would maybe not be where it is. There are more options when the throttle, clutch and brakes go electric, but it'll be a while yet.

Andy