Technology

Internal Nipple Holes / External Nipple Holes

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Now the popularity of Internal nipple holes is slowly starting. Many people choose to use Internal nipple holes in order to make the wheel look simpler. Let's discuss the differences between Internal nipple holes and external nipple holes. What are external nipple holes? The external nipple is placed in a 4.5 mm diameter hole, which is relatively large in diameter and destroys more carbon. The ...
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