This crankset is compatible with 9-speed Shimano chains. The tooth spacing is 44-32-22 (steel) and the chainline is 50mm. The crankarm is made of aluminum and is compatible with a chainguard. This crankset requires JIS square bearing cups. Please note: the bottom bracket is not included. A suitable bottom bracket is the BB-UN55 with an axle length of 122mm, JIS square.

• Suitable for 9-speed Shimano chains
• Gearing: 44 - 32 - 22 (steel)
• Chain line: 50 mm
• Compatible with chain guard
• Crank arm material: aluminum
• Required bearing cups: JIS square
• Bottom bracket not included. Suitable bottom bracket: BB-UN55, 122 mm axle length, JIS square