1-speed, square, 150 mm crank length, black Steel, 1/2" x 3/32", offset approx. 3 mm The Pieper crankset is designed for 1-speed drive and combines a 150 mm crankset with a 1/2" x 3/32" steel chainring. It has a square taper attachment and an offset of approximately 3 mm, making it a compact and robust solution for smaller frames or special requirements. Number of chainrings none Crank length 150.00 mm Main colour black Bottom bracket square taper Type/kind Article Variation left