Specialized S-Works Fast Trak 2Br Black 29X2.1

.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}The S-Works Fast Trak has become synonymous with fast and lightweight tires that are able to handle the most technical courses in the most grueling conditions. The block pattern is carefully arranged for fast rolling abilities and superb traction, while the blocks have been optimized to adapt to slippery surfaces with enough bite for loose ground. And now, it also features our own GRIPTON(R) compound that maximizes mechanical grip, damps vibration, and offers unparalleled traction in either wet or dry conditions. How? Our GRIPTON(R) compound recipe filters low and high frequencies, keeping your tires planted and you in control.29 x 2.1", psi 25-50, approximate weight 550g29 x 2.3", psi 25-50, approximate weight 595gBead: FoldableButyl wrapped bead = 2Bliss ReadyCasing: 120 TPICompound: GRIPTON(R)