1️️One-piece molding, hollow design on the inner wall, denser output power and high rotation efficiency.
2️️ High-quality alloy steel, nice low temperature impact, strong toughness, nice fatigue resistance.
3ascript It is suitable for X1600, X1700, 1501 wheel and 190, 240s, 340, 350, 440,540 hub.
4️️ Perfect repairing accessories for Bicycle hubs, and can be a nice replacement for old or damaged ones.
5️️ Delivery includes a storage box, The kits are easy to carry.