tire trail boss sg1All round trail perfection with an aggressive tread pattern Fast rolling characteristics and high traction in loose or wet conditions Large, supportive side knobs for optimal grip when cornering and braking Ideal rear tire, also provides plentiful traction as a front tire on hardpack trails WTB's strongest and most robust SG1 protection technology that takes Tough to a new level Additional puncture protection under the tread and extra reinforcement of