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Manufacturer

1. Powertap (1)
2. Rotor (1)
3. Shimano (1)

Number of teeth

1. 50 (1)
2. 50/34 (1)
3. 50/36 (1)
4. 52 (1)
5. 52/36 (1)
6. 53 (1)
7. 53/39 (1)
8. 54 (1)
9. 55 (1)

Brand

1. PowerTap (1)
2. Shimano (1)
3. Rotor (1)

BCD

1. Compact (110bcd) (1)