Ramped center knobs minimize rolling resistance while substantially spaced outer knobs ensure footing in loose terrain Aggressive tread pattern compliments the high-volume Road Plus� format to combine drop bar efficiency and mountain bike traction Rounded profile with vertical channels to enhance cornering characteristics Dual Compound Rubber means a fast rolling tire with great corning traction TCS - WTB`s Tubeless Compatible System, sealant based tubeless system with improved bead shape Tubeless 27.5x1.85 584 TBLS - Fold Bk/Skn 75 530 60 TCS NoUPC/EAN/GTIN: 714401107595