FC-R345-L Crankset - 175mm 9-Speed 50/34t 5-bolt / 110 BCD Octalink V2 Spindle Interface BLK

The Shimano FC-R345-L is a top - notch road bicycle crankset. It comes with aluminum crank arms, offering a great balance of lightweight and durability. The smooth - shifting Hyperdrive SG - X chainrings ensure a seamless riding experience. Key features include an Octalink V2 spindle interface, a 43.5mm chainline, and a 152.2 Q - Factor. The outer ring is made of aluminum (50t), while the inner ring is steel (34t). It's compatible with HG 9 - speed chains. This black - colored crankset is perfect for road cycling and is not included with a bottom bracket. It has a 9/16' pedal spindle and is suitable for 130 hubs as well as 135/142 road disc hubs with a chainstay longer than 415 mm.

Using this Shimano FC - R345 - L crankset is easy. First, make sure your bike is compatible with it, especially the hub and chain requirements. Install it carefully according to the bike's instructions. When riding, enjoy the smooth shifting provided by the Hyperdrive SG - X chainrings. As for maintenance, regularly clean the crankset with a mild soap and water solution to remove dirt and grime. Check the chainrings for wear and tear, and if you notice any significant damage, it's time to replace them. Store the bike in a dry place to prevent rust, especially since the inner ring is made of steel. Also, keep in mind that this crankset doesn't come with a bottom bracket, so you'll need to have one installed separately if your bike doesn't already have a compatible one.