WTB ThickSlick Tire - 29 x 2.1 Clincher Wire Black CompWTB ThickSlick Tire 29 x 2. 1 Clincher Wire Black Comp. Its all in the name ThickSlick. A burly casing designed to withstand the roughest urban conditions paired with a slick tread design that provides the bite you need in the concrete jungle with impeccable style. No nonsense slick design provides optimal traction on rough streets Thick rubber casing protects agains damage from glass pins staples and other urban unpleasantries Twice the rubber makes