On Sunday, August 4, 2019 at 1:13:33 AM UTC-4, wrote:
B4 is a great ship for acro but not X-C. Might also look at the 13/15m Acro Jantar. God for both.

On the PZL Allstar website they say 17m tips for the SZD-59 "coming soon" http://szd.com.pl/en/products/szd-59-1-acro