Mission BMX "American BB Hop Up" Bottom Bracket
- Weight : 0.61kg / 1.34lbs
- Packaging Unit: 1 Set
- Product ID (PID): 34084
- Product safety
Weight
The heaviness of a BMX part, measured by weighing. It's worth noting that weight specifications for BMX parts can vary and may not always be precise. Several factors contribute to this:Manufacturer's weight specifications may be inaccurate or incomplete.The weight of two identical parts can also differ.We cannot weigh every individual part.For example, if there are handlebars in different heights, the manufacturer usually provides just one weight specification for all heights. When weighing two identical tires, you might get two different results.
Source: BMX Glossary
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Online: https://www.kunstform.org/en/mission-bmx-american-bb-hop-up-bottom-bracket-p-34084
Printed: 10/21/2026
Printed: 10/21/2026
The Mission BMX "American BB Hop Up" Bottom Bracket upgrades an unsealed American bottom bracket to sealed bearings. The kit comes with two precision sealed bearings, aluminium cups, cone spacers, a centre tube spacer, a sprocket adapter, adjustment washers plus the 19mm 8-spline spindle and the spindle bolts. The frame shell stays American.
Facts: Mission BMX "American BB Hop Up" Bottom Bracket
- Style: USBB (American)
- Outside diameter: 51.5mm (US BB)
- Axle Diameter: 19mm
- Bearings: 2 x sealed bearings
- Spacers: cone spacers, centre tube spacer and adjustment washers included
- Extras: upgrade kit from an unsealed American bottom bracket to sealed bearings
- Contains: 1 set with 2 sealed bearings, aluminium cups, cone spacers, centre tube spacer, sprocket adapter, adjustment washers, 19mm 8-spline spindle and spindle bolts
