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ZTTO 9-speed Mountain Bike Positioning Cassette (ZTTO)
1. Material: metal
2. Speed: 9-speed
3. Number of teeth: 11-13-16-20-24-28-32-36-40T
4. Sturdy and not deformed, durable
5. Compression resistance does not scratch metal parts
6. Size: 3.5x4x16.4cm
7. Weight: 514 grams
