A funny name for us Czechs, but believe me, this coat is no laughing matter. A rougher version of the extra popular Riddler. It combines a fast tread centre with numerous short lugs and much higher side lugs for confidence on unpaved terrain. For terrain where traction with speed is paramount. USAGE: Gravel / Cyclocross CONDITIONS: Dirt / Gravel / Loose / Wet Size Level ETRTO Tubeless Compatibility Casing Weight Compound Min-Max Pressure Part Number 700c x 40mm TCS Light/Fast Rolling 40-622 TCS Tubeless Single-ply 60 tpi 505g Dual DNA 25-50 psi W010-0829 700c x 40mm TCS Light/Fast Rolling (tanwall) 40-622 TCS Tubeless Single-ply 60 tpi 490g Dual DNA 25-50 psi W010-0830 700c x 44mm TCS Light/Fast Rolling 44-622 TCS Tubeless Single-ply 60 tpi 526g Dual DNA 25-50 psi W010-0827 700c x 44mm TCS Light/Fast Rolling (tanwall) 44-622 TCS Tubeless Single-ply 60 tpi 514g Dual DNA