- Forged aluminium construction and steel screws
- Ideal for wider tire applications with tire cross widths of up to 32mm
- Upper connecting rod not connected to the external one for more effective, precise movement, without contacting the limit stop
- Optimized inner cage plate design accurately accompanies the chain on the largest chainring
- Control activated micro adjustments make it possible to avoid chain contact even when crossing maximum gears
- DER CPY FD19-RE12B RECORD 12s BZ-ON