The best replacement for clip ons is clubmans.

The best alternatives to clip ons are rated as following:
★★★★★  clubmans
★★★★★  handlebars
★★  hair extensions
★★  drag bars
★  dirt bars
★  magnetic earrings
★  clubman
★  clubman bars

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Speaking about clip ons, one probably shouldn't forget about ducati monster.

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