Your Casa Lambretta Specialist Dealer
18T front sprocket for Lambretta LI S1, LI S2, LI S3 Special, SX, TV, DL
Combinations sprocket and crownwheel:
19 - 46 use 82 link chain
19 - 47 use 83 link chain with pull down type chain tensioner like Casa Performance X44
19 - 48 use 83 link chain