A BSA/Euro Bottom Bracket with oversize external bearings to handle BMX style 19mm and 22mm crank spindles. Fits all MTB style bikes with a regular BSA/Euro style bottom bracket shell in 68mm and 73mm. Perfect for putting BMX cranks on your MTB.   Bearings: 6904-12VV (19.05x37x9mm) -19mm 6904-22VV (22x37x9mm) -22mm   Material: 6061-T6 alloy cups, cones and spacer, stainless bearings   Sizes: 19mm, 22mm   Features:   • Outboard BSA/Euro Bottom Bracket • For 19mm or 22mm BMX spindle sizes • Oversize Sealed Bearings • Crank Arm Spacers & 68mm and 73mm Tube Spacers Included • Fits threaded BSA/Euro style bottom brackets   Weight: 170g (5.9oz) - 22mm