Schwalbe btb Pick-Up Perf SuperDefense Twinskin 26 x 2.15 black reflection, 55-406 B/B+RT HS609 ADDIX E 2x67EPI 33B SCHWALBES FIRST REAL CARGO TIRE. Thanks to its extremely stable double carcass, the Schwalbe Pick-Up becomes a real pack mule and at the same time offers excellent puncture protection. In addition, the ADDIX E compound ensures exceptionally good driving performance and grip, even in the 20 version. With the ECE-R75 certification, the Schwalbe Pick Up is the optimal choice for all e-cargo bikes