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A simple wrap-around-your-grip system that will fit all throttle grips. Offers a large size palm rest so you don't have to fight the throttle return spring on long hauls.
Kuryakyn

Kuryakyn, Univ. wide throttle boss XL

#541919

Stock:Yes

The throttle boss is a small, adjustable paddle that is positioned under the palm of the throttle hand allowing the driver to slightly relax grip on the gas and still maintain a constant speed. - For Kuryakyn ISO-Grips
Kuryakyn

Kuryakyn, Extended ISO-throttle boss, chrome

#8080659

Stock:Yes

Fits 8082030, 8081749
Kuryakyn

Kuryakyn, ISO-throttle boss Gold Wing GL1800

#8080264

Stock:Yes

Gloss black. Will fit Kuryakyn ISO-throttle grips. Adjustable paddle under the palm of the throttle hand. Relax the grip on the throttle without the throttle closing. Fits right side but also left side for a symmetrical look.
Kuryakyn

Kuryakyn, ISO-throttle boss. Black (ea)

#541854

Stock:Yes

This Kuryakyn ISO throttle boss adds function and style to your ISO grips with a small, adjustable paddle positioned under the palm of your throttle hand. This allows you to relax your grip and yet maintain a constant speed.
Kuryakyn

Kuryakyn, ISO-throttle boss. Black contoured

#8081935

Stock:Yes

USA manufactured with adjustable throttle boss end cap. To install just loosen the stock end cap from the inside. Then install the Avon throttle assist cap and move the cap to the most comfortable position.
Avon Grips

Avon throttle assist end cap Air Cushion, black anodized

#956148

Stock:Yes

Offers effortless throttle-hold for a greater level of comfort, especially on long stretches.
Kuryakyn

Kuryakyn, Kinetic throttle boss. Chrome

#542492

Stock:Yes

USA manufactured with adjustable throttle boss end cap. To install just loosen the stock end cap from the inside. Then install the Avon throttle assist cap and move the cap to the most comfortable position.
Avon Grips

Avon throttle assist end cap Custom Contour, chrome

#956152

Stock:Yes

Offers effortless throttle-hold for a greater level of comfort, especially on long stretches.
Kuryakyn

Kuryakyn, Kinetic throttle boss. Gloss black

#542494

Stock:Yes

Less fatigue in controlling the throttle on long distance trips. Designed to fit Kuryakyn ISO-Grips, ISO-Flame, & Transformer Grips.
Kuryakyn
SaleDiscontinued

Kuryakyn, ISO contoured throttle boss. left, chrome

#541920

Stock:Yes

Keep your throttle opened, without fighting the throttle return spring. Increases comfort on long trips. The cruise assist will easily slide forward on your throttle grip, but once downward pressure is applied it clamps itself firmly in place. Easy-on and easy-off. Wide model.
Crampbusters

Crampbuster cruise assist wide, pink

#555574

Stock:Yes

Manufactured from plastic. The universal fit velcro strap is easy to fit to any diameter throttle grip. No more cramp holding the throttle open on long hauls.
Avon Grips

Avon throttle boss chrome

#956146

Stock:Yes

Gloss black. Less fatigue in controlling the throttle on long distance trips. Allows to relax the grip on the throttle without the throttle closing. Designed to fit Kuryakyn ISO-Grips, ISO-Flame, & Transformer Grips.
Kuryakyn

Kuryakyn, ISO contoured throttle boss. right. Black

#541853

Stock:Yes

Less fatigue in controlling the throttle on long distance trips. Designed to fit Kuryakyn ISO-Grips, ISO-Flame, & Transformer Grips.
Kuryakyn

Kuryakyn, ISO contoured throttle boss. right, chrome

#541610

Stock:Yes

Manufactured from plastic. The universal fit velcro strap is easy to fit to any diameter throttle grip. No more cramp holding the throttle open on long hauls
Avon Grips

Avon throttle boss black

#956145

Stock:Yes