Alligt has made a new, lightweight 70 teeth chainwheel with a fixed protective edge on both sides. It is at least 20% lighter than Alligt’s other variants. So far, the chain wheels had been milled from one piece of 15 mm thick aluminium. Alligt has now reviewed that process and was able to considerably improve it. The new chainwheel has been made of one injection-moulded piece of high-quality plastic. This is an innovation in the sense that never before a chainwheel has been produced with this technique in the (recumbent) bicycle business. It is specially designed for recumbents and fast velomobiles with a 20″ rear wheel.
Due to the increasing use of cassettes with ever more gears and a bigger range, the need for front gears has decreased. Consequently, a growing variety of vehicles have only one chainwheel in the front. Therefore, a derailleur that guides the chain is no longer needed, whilst the chain can come off more easily. Hence the increased need for two fixed protective edges on the chain wheel.
The consumer price of the new Alligt chainwheel is € 120. The plastic injection-moulded chain wheel with integrated double protective edge is available to be fixed on the crank with a 110 and 130 mm pitch circle with 5 holes as well as for the Bafang mid-engine with 60 mm pitch circle with 5 holes.
LEVA-EU member Alligt is a Dutch specialist producer of component parts for recumbent bikes and velomobiles as well as parts (wheels and idlers) for cargo bikes. Alligt has unparalleled know how of velomobiles.