Tamiya has released TRF801XT Lightweight Univ. Shaft under category
The lightweight regarding the Universal Shaft is accomplished by reducing the propeller shaft diameter from 4.2mm to 3.4mm (two piece set). The weight the standard shaft is 35g weighed from the lightweight shaft 29.5g (one shaft), a weight saving of 5.5g. This implies with all four shafts put together, you can conserve an overall total of 22g. The above image shows two Lightweight Assembly Universal Shafts.
