Some things just get better over time, like our new Contoured ISO-Throttle Boss! Updated styling combined with a larger surface area & pad provide even more comfort than the original design while still easing hand & forearm fatigue.
The addition of a throttle boss can make the difference between a quick trip & a cross country adventure. They\'re simple to install & are easily adjustable to suit your needs.
Fits: Heated ISO-Grips for GL1800, Part Number\'s 6183 & 6383
