The pg 1030 cassette offers an innovative approach to 10 speed cassette design our cassette performance is optimised by material choice tooth profile and shift ramp design for quick and positive index shifting key features 10 speed cassette design powerglide technology provides super smooth shifting between gears 11 36 gearing provides the perfect range for mtb enthusiasts and trail riders durable nickel chrome finish for more information on how to keep your bike running smoothly c