Spank Spike 369 Vibrocore Rim

Vibrocore is a proprietary foam core injected into the rim cavity that acts as a vibration damper. It effectively absorbs high-frequency trail chatter before it reaches your hands and feet, which helps reduce rider fatigue and improves traction on rough, technical terrain.

Yes, the Spike 369 is specifically engineered for aggressive mountain biking. Its robust construction is designed to handle the high-impact forces of enduro and downhill riding while maintaining a weight profile that won't hold you back on climbs.

Yes, this rim is designed exclusively for disc brake systems. It features a precise interface that ensures compatibility with standard disc hubs and braking components.

At 726 grams, this is a relatively sturdy rim built for durability rather than ultralight cross-country racing. While it isn't the lightest option on the market, the added mass is a deliberate trade-off for the increased strength and vibration-damping benefits required for aggressive trail riding.

Yes, this is a 29-inch diameter rim. As long as your current frame and fork are designed for 29-inch wheels, this rim will be compatible.

A 32-spoke count is the industry standard for a reason; it offers an excellent balance of lateral stiffness and durability. This configuration provides the necessary strength to handle aggressive riding while remaining easy to service and true.