Bicycle Middle Lock Disc Lock Cover Road bike MTB 12mm Bucket Axle Middle Lock Disc lock cover 7075 Aluminum Lightweight Design

I really like these. I got them on some kind of sale. They have tripled in price. I wouldn't buy them at the current price. Really nice machining and look. Probably not as aero as a smooth domed shape, but you know....... aero is everything, except for when it isn't.