Hot or cold, wet or dry, the zsg ultima compound of the cinders is always upto the job. The widely spaced, multi-step tread pattern handles everything the trail can throw at it, from off-camber roots to boulder sized rocks and technical drop ins. Cinders also include panaracer's asb chafer to sinificantly reduce the risk of pinch punctures. Folding Bead, Single Compound, no asb 26x2.1".