Studded tires are a great way to ensure you keep the rubber side down on icy winter commutes. 700c x 35mm, Wire bead, Clincher, 35-85psi Tungsten carbide spikes and winter specific tread siping offer traction on frozen dirt as well as glassy ice Features a robust 50 TPI carcass with reflective striped sidewall K-Guard tread belting resists punctures from thorns and road debris REF - Reflective sidewall striping to aid in low light visibility Twin Skin construction features an additional rubber coating on the sidewall to protect against cuts Fit all 700c wheel sized models except Ace/Joker including: Continuum Turi Eight All Classic Series Brilliant L-Train Brilliant Cooper/Carmen Apollo