The low profile, radially compliant alloy rim injected with SPANK's award-winning Vibrocore to add torsional strength and lateral stiffness, offers a smooth and highly responsive ride feel.  Hand-built to A-Class specifications, the 350 Vibrocore wheels with SPANK Hex Drive hub is the premium offer from the SPANK wheelhouse and is trusted by pros on the UCI DH World Cup and Enduro World Series circuit.

Features
Unique profile with low sectional height and wide width adds radial compliance and lateral stiffness
Improved radial compliance for better traction over bumps and chatter, while reducing negative feedback to the rider, gives enhanced performance and comfort
Vibrocore™ inner well reduces the transmission of harmful vibration frequencies and increases the fatigue life of the rim
30mm internal width is versatile, fitting tyres from 2” to 2.6”, and allows plus-size tyre use without negative squaring off of tyre profiles 

Mfr Claimed Weight
29" HEX J-Type (Boost 15x110): 1023g
29" HEX J-Type (20x110): 1010g