Đai ốc AARON1 M9 M10 bằng thép không gỉ cố định bánh răng chống trượt cho xe đạp

Material:Stainless Steel Package includes:1XBolt Net weight: Approx. 16gram/PC Size: M9 M10 for option, please refer to graphics below for details Use: Mainly for fixed gear bicycle hub fastening Color: Silver Features & Specs: Contructed by steel and chrome furnished, firm and durable in use; With anti-skid texture for firm fixing; Note: Normally, the front hub takes M9 and rear hub M10. But there are also some bicycle types taking M10 at both front and rear hub.