The e*thirteen Grappler Sidekick Flux Carbon DH Rear Wheel - 29", 148x12mm, 7s Integrated Cassette is a groundbreaking downhill wheel combining the suspension-isolating benefits of Sidekick anti-kickback hubs with ultra-compliant, low-profile Flux Carbon rims. Featuring a built-in 7-speed cassette and adjustable deadband, it maximizes traction, speed, and terrain control while operating near-silently.