evo.com | Spank Wheels > Ever been mid-corner when hub engagement lag causes a heart-stopping pedal slip? The Spank 369 Spike Vibrocore(TM) Rear Wheel eliminates those moments with blistering 3.5deg engagement - just 102 clicks to full power - while its Vibrocore(TM) foam-filled rim dampens trail chatter and actively strengthens the rim. Built for heavy hitters who go through more rims than hot dinners, this wheel has the pedigree and power to go the distance. Engagement HEX DRIVE 102T / 3.5deg / 6 Pawl 5mm Internal Width 5mm internal width is versatile fitting tires from 2" to 2.6" and allows plus size tire use without negative squaring off of tire profiles. Vibrocore(TM) Technology Vibrocore(TM) inner well reduces the transmission of harmful vibration frequencies & increases the fatigue life of the rim. Sacred Geometry Hollow Bead Wall Design This new design improves lateral and vertical strength. Wider bead wall effectively reduces pinch flats and increases impact resistance. J-Hook, Tripple Butted 2.2 / 1.8 / 2 | Spank 369 Spike Vibrocore(TM) Rear Wheel 29 2025 - 12x148 Boost, MS, 6-Bolt in Black Size 12X148 Boost Ms 6-Bolt