Product Feature: The distinctively designed HYPERGLIDE sprockets incorporate specially positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. The HG cassette sprocket, which was developed for the 8/9/10/11-speed system, underwent comprehensive optimization to achieve super-highly efficient shifting.Guide the chain quickly and directly to the next sprocket without override. Plating process ,high quality Steel , antirust and durable,"Index chain+Drain Hole Design" makes shift more agility and precisely,Mud hole is more convenient to clean and the chain is difficult to fall off. We will ship from real UK warehouses, dispatch in 0-1 fay,Arrival as soon as 1 day possible by Royal Mail 24/48h,provide Premium.
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