Computer designed Hyperglide (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. A superior surface treatment of CS-7800 has been applied to the titanium sporockets which…
Computer designed Hyperglide (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. A superior surface treatment of CS-7800 has been applied to the titanium sporockets which…