evo.com | Spank Wheels > Rocks and roots try to shake you off the trail, but the Spank 350 Vibrocore(TM) Front Wheel soaks them up like they're whispering sweet nothings. That secret foam filling isn't marketing fluff - it's award-winning Vibrocore technology engineered to absorb nasty vibrations and smooth out your ride. Hand-built with a low-profile, 30mm internal width rim for laser-precise handling, this wheel delivers incredible performance for everyday riding. 3 Cross Lacing 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. A-Class Handbuilt SPANK Hex Drive Hub | Spank 350 Vibrocore(TM) Front Wheel 29 2025 - Boost 15x110 in White