G-Series cassettes feature steel sprockets mated with an aluminium spider, a feature which saves weight and lessens wear on the hub’s cassette body. If weight is an issue for you, the G-Series is a no-brainer.
Features
Compatible with road 11-speed HG cassette hub bodies
Continuously moulded cogs achieve a high standard of durability and straightness
Spider carrier reduces wear on aluminium cassette hub bodies