Presentation packaging, 1-speed, without bottom bracket, black Track and Singlespeed, cranks made of CNC machined 6082 aluminum, chainring made of CNC machined 7075 T6 aluminum, suitable bottom bracket (0.833.300/7) Crankset by MICHE The Pistard Air crank by MICHE is available in 170.0 mm. Lightweight and durable - that's the best way to describe the crank, as it is made of aluminum. It is also resistant to weather influences such as corrosion. The crank is equipped with a chainring. Number of chainrings 1 Crank length 170.00 mm Main color black Chainring large 48 inch Type/kind Article Variation crankset