This Shimano Acera FCM361 crankset is a reliable choice for cyclists looking for smooth and precise shifting performance. With a 4-arm design and a 28-tooth gear ratio, this crankset offers a wide range of gears for an optimal cycling experience. The crankset comes in a stylish black color and is suitable for bicycles with 3x8 or 3x9 gears. Product specifications: - Brand: Shimano - Shimano groupset: Acera - Shimano groupset code: M361 - Shimano model code: FCM361 - Model year: 2011 - Number of arms: 4-arm - Number of gears: 3x8 / 3x9 - Color: Black - Gear ratio: 28 - Bolt circle diameter: 64mm