WTB TrailBoss TCS Tough/Fast SG1 IP+ E50 27.5x2.4 Model=GXC Stem Impact absorbing foam in 5

Impact absorbing foam in 5 custom densities for ultimate reduction of forces to head and brain

Its scratch-resistant Power Sapphire solar charging lens uses the sun’s energy to extend battery life — powering advanced training features

Ergonomic single clamp design with reinforced ends provides more usable grip space

or using the Topeak Versacage TZ-8814

WTB TrailBoss TCS Tough/Fast SG1 IP+ E50 27.5x2.4 Model=GXC Stem Impact absorbing foam in 5Tightly spaced, blocky tread minimizes rolling resistance until braking allows the knobs to truly dig in Supportive side knobs deliver traction when trying to keep the bike upright on off camber surface Commonly used as a rear tire with a WTB Vigilante on the front TECH SPECS model Trail Boss TCS Tough Fast Rolling SG1 IP+ E50 size 27. 5" width 2. 4" compound Tritec bead folding type tubeless color black weight 1156g