🚴♂️ Shift into Adventure with BIYDOO!
The BIYDOO Bicycle Rear Derailleur RD-TY21/RD-TZ31 is a high-performance component designed for 6/7 speed SIS index shifting systems. Made from durable aluminum alloy, it offers stable gear shifts and is compatible with a variety of bike types, ensuring a reliable cycling experience. With a direct mount design, installation is straightforward, making it an ideal choice for cycling enthusiasts.
| Manufacturer | BIYDOO |
| Age Range | Adult |
| Batteries Included | No |
| Included Components | Rear Derailleur |
| Material Type | Aluminium |
| Size | TZ31-Y Direct Mount |
| Features | lightweight |
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