Model: R406 451

Specification: six holes

HUB: Two training sessions at the beginning and five at the end

HUB specifications: 9x100, 10x135, 15x100 12x142 . 12x100, 12x142

RIM:6061 aluminum alloy

HUB colors: black, purple, pink, rainbow 

Hole: 24 holes front and rear

Spoke: Stainless steel rainbow spokes1 4G spokes

Weight: 793G for the front wheels and 992G for the rear wheels

Accessories: One quick-release pair, one gasket, two tire pads, spare Two spokes

Freehub: Compatible with shimano 8 9 10 11 12 speed. XDR freewheel please contact customer service