HG cassette sprockets In combination with Shimano HYPERGLIDE (HG) chains the HG cassette sprockets provide fast, precise shift indexing function. The special, computer-designed sprockets feature specific tooth profiles and specifically positioned climbing aids that optimise the chain guide during shifting. This results in fast, smooth and noiseless gear changes.
Additional information: - External influences on the shifting system were minimised - Smooth and extremely precise shifting processes under all conditions and on any terrain - Shifting system with precise, consistently good "Vivid" index function with clearly defined grid points in all gear positions
Exact composition of the teeth: 11-32: 11-12-14-16-18-20-22-25-28-32 11-34: 11-13-15-17-19-21-23-26-30-34 11-36: 11-13-15-17-19-21-24-28-32-36