Worm drive adjustable w/screwdriver for a super-secure fit. Ø - 220mm - 240mm. Ø - 200mm - 220mm. Ø - 170mm - 190mm. Ø - 160mm - 180mm. Ø - 150mm - 170mm. Ø - 140mm - 160mm. Ø - 130mm - 150mm.
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