I not sure, I will ask Alex, this weekend. An I will let you know, the next shipping of Elements, come in the 1st week of of October.
That shippment will have 1 Element Bipe 170, that will be flown at the Dist 7 Chmpionship. This past weekend I test flew Tak's Element
170, with a DZ170, weight was 10.7 lbs, need to play with the CG and throws. But it flew nice.