e*thirteen's Grappler Flux GR Enduro wheel has incredibly resilient, low-profile rims. The result: excellent strength with just enough compliance to enhance traction, reduce fatigue, and keep every track and trail feeling fresh — so you can push harder, longer. Key Features: Front-tuned build — Spoke pattern, hub flange spacing, and rim lay-up are optimized for steering precision and reduced arm fatigue on long descents. Front axle — 110×15mm and 110×20mm Boost (convertible) for compatibility with modern gravity forks. Low-profile Flux 66 Aluminum rims — Add radial compliance and traction without sacrificing steering precision or durability. Balanced spoke counts — 28-spoke front wheels cut weight and add compliance where it's needed Handbuilt precision — AL 6069 sleeved rims, double-butted spokes, and secure lock brass nipples deliver performance, longevity, and value. *Valve stem is not included