K426-27
REAR SPROCKET ALUMINUM 428-27T Ø50mm - ALUMINIOM ALLOY ERGAL - KEYS 8mm - NET WEIGHT: 419gr
Available
High resistance sprocket - very light
Special manufacturing to reduce the weight keeping a great resistance.
Includes grub screw to avoid key movement.
Size of box: 14.5x13.5x4.5cm