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1. Material: aluminum
2. Exquisite and durable
3. Their better wear resistance and heat resistance
4. Lightweight and smoothness
5. Be loved and recommended by cycling enthusiasts
6. Bottom bracket 68-73 mm; crankset 24mm; inner hole 46mm
BIKERSAY BB30AK Bicycle Bottom Bracket Bike External Bearing
Reliable shipping
Flexible returns
2. Exquisite and durable
3. Their better wear resistance and heat resistance
4. Lightweight and smoothness
5. Be loved and recommended by cycling enthusiasts
6. Bottom bracket 68-73 mm; crankset 24mm; inner hole 46mm
Specification:
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