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Headset spacer stuck in Cane Creek 40 dust cap (left). Is this normal for this headset? New one (right) seems to have a groove stating “interlock compatible” : r/bikewrench
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HYUNDAI N LOGO Plastic Wheel Valve Dust caps all models BLACK 7 Colours i30 I30N £3.99 - PicClick UK
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mechanical engineering - How to remove protective valve cap from CO2 cylinder? - Engineering Stack Exchange
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