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ZTTO BB109 Acrylic+Aluminum Alloy Bike Press-In Bottom Bracket Bearing Threaded BB - Red
- Made of quality acrylic+aluminum alloy material, it's durable to use
- Aluminum alloy body makes crankshaft power transfer more direct, with better rigidity
- The sealing system is easy to maintain and completely noiseless for lubrication
- It is lightweight and compact, convenient to carry
Specification:
- Material: acrylic+aluminum alloy bearing
- Inner diameter: 24mm or 22mmx24mm
- Applicable frame bottom bracket: 68-73mm
- Applicable series: SHIMANO series