Description The Panaracer Gravelking SS feature an all-new tread pattern consisting of a smoother, diamond pattern center with more aggressive side lugs. This tread pattern allows the rider to keep speed going into corners and maintain control throughout any transition a gravel ride could present. The GravelKing SS incorporates a supple 126 TPI casing with a nylon puncture resistant belt and Panaracer’s proprietary ZSG (Zero Slip Grip) compound. Panaracer Gravelking SS Features & Specs Application- Dryer Gravel and Dirt, a race day tire Folding (Aramid) Bead with ZSG (Zero Slip Grip) Compound Available in 700 x 28c, 700 x 35c & 700 x 43c, 650B x 48 (27.5″ x 1.9″) TLC (TLR/Tubeless) and Hookless Compatible in widths 700 x 32c and wider Note: 700 x 28c are not tubeless compatible Weight ETRTO Tubeless Compatible? Max PSI Tubed Max PSI Tubeless 700 x 28c 310 g 28-622 No 110 n/a 700 x 35c 380 g 35-622 Yes 75 60 700 x 43c 480 g 43-622 Yes 60 60 650B x 48 545 g 48-584 Yes 50 50