kit chaine/couronne alu or
DERBI SENDA 2000->/DT50/MRT/XP6/RS3/XP7 (ref: 491209)
The DOPPLER sprocket is one of the few being made of machined aluminium in aviation alloy. It gives it resistance and reliability. What's more, its innovative design will give your vehicule a racing look.
53 teeth, interval 420, diameter 105, 3x2 fixings, gold alu