The Shimano Trekking FC-T521 crankset offers user-friendly, accurate, and easy shifting, powerful braking, and smooth running hubs for all trekking bikes.

Intended use: trekking

Details:

• Hyperdrive with HG-X chain provides smooth shifting performance
• Integrated design of the chain guard
• Stable and lightweight due to HOLLOWTECH construction
• Compatible chain: HG-X 10-speed
• Large chainring made of aluminum
• Medium chainring made of steel and fiberglass reinforced plastic
• Small chainring made of steel
• Recommended bottom bracket length: 121 mm
• Number of chainrings: 3
• Gear ratio: 48/36/26 teeth
• Bottom bracket diameter: 68/73 mm
• Rear derailleur compatibility: 10-speed
• Construction: 4-arm
• Axle mount: Octalink
• Bolt circle: 104/64 mm
• Crank arm length: 170 mm
• Bolt circle type: Standard
• Chainline: 50 mm.