Combined with a Shimano HYPERGLIDE (HG) chain, the HG cassette sprocket provides fast and accurate index switching. The computer-designed sprocket incorporates specially placed shift ramps and teeth to improve chain control when shifting. The result is a responsive, smooth, and quiet shifting experience.
Product model number: ICSHG4009125 Size: 11-25 Battery included or built-in: No Gender target: Unisex/Adult, Adult, MENS >Product size: 13.34 x 6.35 x 13.34 cm; 295 g
