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 alu 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).
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• 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
