To order, call 503-585-EXIT or come by one of our shops! Not available online. The TRS SERIES featurs twin shapes on directional sidecuts. • Designed and ridden by Markku Koski, Joey Mcguire, Jakob Wilhelmson, and Martin Cernik. • New H-Pop wood alloy cores and double sintered UHMW sidewalls. • Correct Sandwich, Double Sintered UHMW Sidewalls, Directional Progressive Sidecuts, H-POP Core, Quadaxial Torsion Box, Tnt Base. The 159 features a waist width of 25.1.