For serious racers looking for smart weight savings and optimized rotating weight, XRAY's optional ultra-lightweight 1st gear drive flange made from 7075 T6 aluminum has been strategically lightened to reduce rotating weight without sacrificing strength or durability. Includes factory-pressed high-quality German 1-way bearing, hand-ground for maximum running precision. The 1-way bearing is non-replaceable once worn out, so it must be regularly serviced, cleaned, and oiled regularly (we recommend using #309580 One-way Lube).
• Drive flange with one-way bearing • Ultra-lightweight design • Reduces rotating weight • High-quality German one-way bearing • Bearing manually hand-ground for maximum running precision • Swiss 7075 T6 aluminum • Fits NT1