Features:- V-Titanal- Line Control Technology (Lct)- Beech Pefc Wood Core- Full Titanal Layer- Rectangular Full SidewallsSpecifications:- Radius: 11 M (157)- Weight (+/- 5 %): 3,3 Kg/Pair (157) Technology:Pefc™:- Our Poplar Wood Cores Have Pefc™ Certification, A Label Guaranteeing Sustainable Management Of Forests.