XLine tank grips are the neXt generation of TechSpec’s Gripster Tank Grip line. “XLine” is a 3M, microfiber grip material, laminated to TechSpec’s C3 rubber / Releasable Adhesive. The combination is truly a step above in grip technology. Used by multiple top level race teams and riders: -GP2:Technomag/CarXperts , Tech3 / -GP3: Drive 7 - Moto America: -Meen Moto: Josh Herrin / -TOBC Racing, Danny Eslick / -Latus Motors, Bobby Fong and David Anthony TechSpec’s “XLine” tank grips. Truly a step above!