Shimano M171 SIS triple chainset delivers precise and smooth shifting performance. The chainwheels incorporate chain pickup ridges, specially developed teeth profiles and guide ramps to assure fast and precise SIS shifting for 6, 7, and 8-speed systems alike.

• Suitable for mountain, hybrid & city bikes.
• Integrated chain guard
• 6/7/8 speed compatible drive train
• SIS front index compatible
• Tooth range: 48t / 38t / 28t
• Colour: Black arms / black rings
• Profiled chainrings for fast and smooth gear shifts
• Crank arm length: 175mm
• BB Interface: Square tapered  
• Bottom bracket not supplied
• Weight:1020g
• Please note: this listing is for a chainset only - it does not include the offside crank arm