The Shimano Altus M311 Square Taper 48/38/28 7-8 Speed Triple Chainset has painted steel rings with painted aluminium crank arms with a resin spider arm cover. These cranks do not come with a bottom bracket and recommended for use with Shimano HG chains and Shimano BB-UN26 or BB-UN26-K bottom brackets. These cranks are available in black only in 170 or 175mm lengths.
The Shimano FC-2403 is a great value chainset from the Claris 2400 range. SG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting. Key Features: SG-X chainrings with strategically placed chain pick-up pins and tooth profiles Fast and positive shifting Octalink spindle fit bottom bracket for increased rigidity Compatible with
clamp with spigot 5 8 and 170mm extension on other UK sites