Mission American BB Cups

5150 BMX Verified independent store

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Replacement aluminum American bottom bracket bearing cups. Works with 19mm, 22mm, and 24mm sized sealed bearings. Made by Mission BMX! Tech Specs Type American Material 6061-T6 Alu minum Includes 2 x Press Fit Cups Weight 4.0oz Need help choosing the right part? Message us on Instagram, YouTube, Facebook, or TikTok. All parts ship fast from 5150BMX.com — support core BMX. View all Mission BMX products Show more