I have got the metal gear set (sparepart to U4174), and compared them the the plastic gear from Spec-R there is used in Schumacher TC gear diff. They are same size, the smaller metal gears are different from the Spec R. Teeth are deeper on the metal gear.
If they release a light weight gear it has to be a stronger material/design than the Spec R.
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Ulrich Rasmussen
Denmark
Danish 4WD champion 1989, 1997, 2003, 2004, 2005, 2006 and 2007.
www.racegallery.dk
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