The HG70 7/8 speed cassette is the next step in the Shimano line and comes stock with the Deore LX, and came with the discontinued DX parts group. In road racing it is supplied with the RX100 and the 105SC parts groups.
They will, however, work on all Sh...
The HG50 is the least expensive Hyperglide compatible cassette Shimano makes.
The lockring is made of steel with a black finish, and the first through the sixth position cogs are made of steel with a brown finish. The seventh position cog is plated in a ...
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...