The Atlus FC-M361 crankset is designed for square bottom brackets with 122.5mm or 123mm axle length. It features a robust 2-piece construction and Hyperdrive SG-X chainrings, offering excellent durability and performance. The pre-installed chain guard is a great addition as it protects your legs and clothing. This crankset is Dual SIS compatible and comes with replaceable steel chain wheels. Specifications: Chainring BCD of 104 and 64, black color, available chainring sizes of 42/32/22, 48/38/28t, compatible with 135/142 MTB Hubs, 9/16 pedal spindle, intended for mountain use, square taper JIS spindle interface, no BB included, drivetrain speeds of 7 and 8, triple chainrings, and crank lengths of 170mm and 175mm.

Using your Shimano FC - M361 Front Crankset is straightforward. First, make sure it's properly installed on your bike's square bottom bracket with the right axle length (122.5mm or 123mm). The pre - installed chain guard will protect your legs and clothes while riding, so you don't have to worry about getting them dirty or caught in the chain. When it comes to pedaling, the Dual SIS compatibility ensures smooth gear shifting. As for maintenance, regularly clean the chainrings to remove dirt and debris. If you notice that the steel chain wheels are worn out, you can easily replace them. Also, check the pedal spindle and the spindle interface for any signs of wear. Store your bike in a dry place to prevent rusting. And always follow the safety guidelines when riding your mountain bike with this crankset.